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Path: ~/home/caidadmin/dev3.sca-caid.org_DISABLED_BY_DREAMHOST-MO/wp-includes/

File Content: `kses.php`

<?php
/**
 * kses 0.2.2 - HTML/XHTML filter that only allows some elements and attributes
 * Copyright (C) 2002, 2003, 2005  Ulf Harnhammar
 *
 * This program is free software and open source software; you can redistribute
 * it and/or modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 * http://www.gnu.org/licenses/gpl.html
 *
 * [kses strips evil scripts!]
 *
 * Added wp_ prefix to avoid conflicts with existing kses users
 *
 * @version 0.2.2
 * @copyright (C) 2002, 2003, 2005
 * @author Ulf Harnhammar <http://advogato.org/person/metaur/>
 *
 * @package External
 * @subpackage KSES
 */

/**
 * Specifies the default allowable HTML tags.
 *
 * Using `CUSTOM_TAGS` is not recommended and should be considered deprecated. The
 * {@see 'wp_kses_allowed_html'} filter is more powerful and supplies context.
 *
 * @see wp_kses_allowed_html()
 * @since 1.2.0
 *
 * @var array[]|false Array of default allowable HTML tags, or false to use the defaults.
 */
if ( ! defined( 'CUSTOM_TAGS' ) ) {
	define( 'CUSTOM_TAGS', false );
}

// Ensure that these variables are added to the global namespace
// (e.g. if using namespaces / autoload in the current PHP environment).
global $allowedposttags, $allowedtags, $allowedentitynames, $allowedxmlentitynames;

if ( ! CUSTOM_TAGS ) {
	/**
	 * KSES global for default allowable HTML tags.
	 *
	 * Can be overridden with the `CUSTOM_TAGS` constant.
	 *
	 * @var array[] $allowedposttags Array of default allowable HTML tags.
	 * @since 2.0.0
	 */
	$allowedposttags = array(
		'address'    => array(),
		'a'          => array(
			'href'     => true,
			'rel'      => true,
			'rev'      => true,
			'name'     => true,
			'target'   => true,
			'download' => array(
				'valueless' => 'y',
			),
		),
		'abbr'       => array(),
		'acronym'    => array(),
		'area'       => array(
			'alt'    => true,
			'coords' => true,
			'href'   => true,
			'nohref' => true,
			'shape'  => true,
			'target' => true,
		),
		'article'    => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'aside'      => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'audio'      => array(
			'autoplay' => true,
			'controls' => true,
			'loop'     => true,
			'muted'    => true,
			'preload'  => true,
			'src'      => true,
		),
		'b'          => array(),
		'bdo'        => array(
			'dir' => true,
		),
		'big'        => array(),
		'blockquote' => array(
			'cite'     => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'br'         => array(),
		'button'     => array(
			'disabled' => true,
			'name'     => true,
			'type'     => true,
			'value'    => true,
		),
		'caption'    => array(
			'align' => true,
		),
		'cite'       => array(
			'dir'  => true,
			'lang' => true,
		),
		'code'       => array(),
		'col'        => array(
			'align'   => true,
			'char'    => true,
			'charoff' => true,
			'span'    => true,
			'dir'     => true,
			'valign'  => true,
			'width'   => true,
		),
		'colgroup'   => array(
			'align'   => true,
			'char'    => true,
			'charoff' => true,
			'span'    => true,
			'valign'  => true,
			'width'   => true,
		),
		'del'        => array(
			'datetime' => true,
		),
		'dd'         => array(),
		'dfn'        => array(),
		'details'    => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'open'     => true,
			'xml:lang' => true,
		),
		'div'        => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'dl'         => array(),
		'dt'         => array(),
		'em'         => array(),
		'fieldset'   => array(),
		'figure'     => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'figcaption' => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'font'       => array(
			'color' => true,
			'face'  => true,
			'size'  => true,
		),
		'footer'     => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'h1'         => array(
			'align' => true,
		),
		'h2'         => array(
			'align' => true,
		),
		'h3'         => array(
			'align' => true,
		),
		'h4'         => array(
			'align' => true,
		),
		'h5'         => array(
			'align' => true,
		),
		'h6'         => array(
			'align' => true,
		),
		'header'     => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'hgroup'     => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'hr'         => array(
			'align'   => true,
			'noshade' => true,
			'size'    => true,
			'width'   => true,
		),
		'i'          => array(),
		'img'        => array(
			'alt'      => true,
			'align'    => true,
			'border'   => true,
			'height'   => true,
			'hspace'   => true,
			'loading'  => true,
			'longdesc' => true,
			'vspace'   => true,
			'src'      => true,
			'usemap'   => true,
			'width'    => true,
		),
		'ins'        => array(
			'datetime' => true,
			'cite'     => true,
		),
		'kbd'        => array(),
		'label'      => array(
			'for' => true,
		),
		'legend'     => array(
			'align' => true,
		),
		'li'         => array(
			'align' => true,
			'value' => true,
		),
		'main'       => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'map'        => array(
			'name' => true,
		),
		'mark'       => array(),
		'menu'       => array(
			'type' => true,
		),
		'nav'        => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'object'     => array(
			'data' => array(
				'required'       => true,
				'value_callback' => '_wp_kses_allow_pdf_objects',
			),
			'type' => array(
				'required' => true,
				'values'   => array( 'application/pdf' ),
			),
		),
		'p'          => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'pre'        => array(
			'width' => true,
		),
		'q'          => array(
			'cite' => true,
		),
		's'          => array(),
		'samp'       => array(),
		'span'       => array(
			'dir'      => true,
			'align'    => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'section'    => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'small'      => array(),
		'strike'     => array(),
		'strong'     => array(),
		'sub'        => array(),
		'summary'    => array(
			'align'    => true,
			'dir'      => true,
			'lang'     => true,
			'xml:lang' => true,
		),
		'sup'        => array(),
		'table'      => array(
			'align'       => true,
			'bgcolor'     => true,
			'border'      => true,
			'cellpadding' => true,
			'cellspacing' => true,
			'dir'         => true,
			'rules'       => true,
			'summary'     => true,
			'width'       => true,
		),
		'tbody'      => array(
			'align'   => true,
			'char'    => true,
			'charoff' => true,
			'valign'  => true,
		),
		'td'         => array(
			'abbr'    => true,
			'align'   => true,
			'axis'    => true,
			'bgcolor' => true,
			'char'    => true,
			'charoff' => true,
			'colspan' => true,
			'dir'     => true,
			'headers' => true,
			'height'  => true,
			'nowrap'  => true,
			'rowspan' => true,
			'scope'   => true,
			'valign'  => true,
			'width'   => true,
		),
		'textarea'   => array(
			'cols'     => true,
			'rows'     => true,
			'disabled' => true,
			'name'     => true,
			'readonly' => true,
		),
		'tfoot'      => array(
			'align'   => true,
			'char'    => true,
			'charoff' => true,
			'valign'  => true,
		),
		'th'         => array(
			'abbr'    => true,
			'align'   => true,
			'axis'    => true,
			'bgcolor' => true,
			'char'    => true,
			'charoff' => true,
			'colspan' => true,
			'headers' => true,
			'height'  => true,
			'nowrap'  => true,
			'rowspan' => true,
			'scope'   => true,
			'valign'  => true,
			'width'   => true,
		),
		'thead'      => array(
			'align'   => true,
			'char'    => true,
			'charoff' => true,
			'valign'  => true,
		),
		'title'      => array(),
		'tr'         => array(
			'align'   => true,
			'bgcolor' => true,
			'char'    => true,
			'charoff' => true,
			'valign'  => true,
		),
		'track'      => array(
			'default' => true,
			'kind'    => true,
			'label'   => true,
			'src'     => true,
			'srclang' => true,
		),
		'tt'         => array(),
		'u'          => array(),
		'ul'         => array(
			'type' => true,
		),
		'ol'         => array(
			'start'    => true,
			'type'     => true,
			'reversed' => true,
		),
		'var'        => array(),
		'video'      => array(
			'autoplay'    => true,
			'controls'    => true,
			'height'      => true,
			'loop'        => true,
			'muted'       => true,
			'playsinline' => true,
			'poster'      => true,
			'preload'     => true,
			'src'         => true,
			'width'       => true,
		),
	);

	/**
	 * @var array[] $allowedtags Array of KSES allowed HTML elements.
	 * @since 1.0.0
	 */
	$allowedtags = array(
		'a'          => array(
			'href'  => true,
			'title' => true,
		),
		'abbr'       => array(
			'title' => true,
		),
		'acronym'    => array(
			'title' => true,
		),
		'b'          => array(),
		'blockquote' => array(
			'cite' => true,
		),
		'cite'       => array(),
		'code'       => array(),
		'del'        => array(
			'datetime' => true,
		),
		'em'         => array(),
		'i'          => array(),
		'q'          => array(
			'cite' => true,
		),
		's'          => array(),
		'strike'     => array(),
		'strong'     => array(),
	);

	/**
	 * @var string[] $allowedentitynames Array of KSES allowed HTML entity names.
	 * @since 1.0.0
	 */
	$allowedentitynames = array(
		'nbsp',
		'iexcl',
		'cent',
		'pound',
		'curren',
		'yen',
		'brvbar',
		'sect',
		'uml',
		'copy',
		'ordf',
		'laquo',
		'not',
		'shy',
		'reg',
		'macr',
		'deg',
		'plusmn',
		'acute',
		'micro',
		'para',
		'middot',
		'cedil',
		'ordm',
		'raquo',
		'iquest',
		'Agrave',
		'Aacute',
		'Acirc',
		'Atilde',
		'Auml',
		'Aring',
		'AElig',
		'Ccedil',
		'Egrave',
		'Eacute',
		'Ecirc',
		'Euml',
		'Igrave',
		'Iacute',
		'Icirc',
		'Iuml',
		'ETH',
		'Ntilde',
		'Ograve',
		'Oacute',
		'Ocirc',
		'Otilde',
		'Ouml',
		'times',
		'Oslash',
		'Ugrave',
		'Uacute',
		'Ucirc',
		'Uuml',
		'Yacute',
		'THORN',
		'szlig',
		'agrave',
		'aacute',
		'acirc',
		'atilde',
		'auml',
		'aring',
		'aelig',
		'ccedil',
		'egrave',
		'eacute',
		'ecirc',
		'euml',
		'igrave',
		'iacute',
		'icirc',
		'iuml',
		'eth',
		'ntilde',
		'ograve',
		'oacute',
		'ocirc',
		'otilde',
		'ouml',
		'divide',
		'oslash',
		'ugrave',
		'uacute',
		'ucirc',
		'uuml',
		'yacute',
		'thorn',
		'yuml',
		'quot',
		'amp',
		'lt',
		'gt',
		'apos',
		'OElig',
		'oelig',
		'Scaron',
		'scaron',
		'Yuml',
		'circ',
		'tilde',
		'ensp',
		'emsp',
		'thinsp',
		'zwnj',
		'zwj',
		'lrm',
		'rlm',
		'ndash',
		'mdash',
		'lsquo',
		'rsquo',
		'sbquo',
		'ldquo',
		'rdquo',
		'bdquo',
		'dagger',
		'Dagger',
		'permil',
		'lsaquo',
		'rsaquo',
		'euro',
		'fnof',
		'Alpha',
		'Beta',
		'Gamma',
		'Delta',
		'Epsilon',
		'Zeta',
		'Eta',
		'Theta',
		'Iota',
		'Kappa',
		'Lambda',
		'Mu',
		'Nu',
		'Xi',
		'Omicron',
		'Pi',
		'Rho',
		'Sigma',
		'Tau',
		'Upsilon',
		'Phi',
		'Chi',
		'Psi',
		'Omega',
		'alpha',
		'beta',
		'gamma',
		'delta',
		'epsilon',
		'zeta',
		'eta',
		'theta',
		'iota',
		'kappa',
		'lambda',
		'mu',
		'nu',
		'xi',
		'omicron',
		'pi',
		'rho',
		'sigmaf',
		'sigma',
		'tau',
		'upsilon',
		'phi',
		'chi',
		'psi',
		'omega',
		'thetasym',
		'upsih',
		'piv',
		'bull',
		'hellip',
		'prime',
		'Prime',
		'oline',
		'frasl',
		'weierp',
		'image',
		'real',
		'trade',
		'alefsym',
		'larr',
		'uarr',
		'rarr',
		'darr',
		'harr',
		'crarr',
		'lArr',
		'uArr',
		'rArr',
		'dArr',
		'hArr',
		'forall',
		'part',
		'exist',
		'empty',
		'nabla',
		'isin',
		'notin',
		'ni',
		'prod',
		'sum',
		'minus',
		'lowast',
		'radic',
		'prop',
		'infin',
		'ang',
		'and',
		'or',
		'cap',
		'cup',
		'int',
		'sim',
		'cong',
		'asymp',
		'ne',
		'equiv',
		'le',
		'ge',
		'sub',
		'sup',
		'nsub',
		'sube',
		'supe',
		'oplus',
		'otimes',
		'perp',
		'sdot',
		'lceil',
		'rceil',
		'lfloor',
		'rfloor',
		'lang',
		'rang',
		'loz',
		'spades',
		'clubs',
		'hearts',
		'diams',
		'sup1',
		'sup2',
		'sup3',
		'frac14',
		'frac12',
		'frac34',
		'there4',
	);

	/**
	 * @var string[] $allowedxmlentitynames Array of KSES allowed XML entity names.
	 * @since 5.5.0
	 */
	$allowedxmlentitynames = array(
		'amp',
		'lt',
		'gt',
		'apos',
		'quot',
	);

	$allowedposttags = array_map( '_wp_add_global_attributes', $allowedposttags );
} else {
	$allowedtags     = wp_kses_array_lc( $allowedtags );
	$allowedposttags = wp_kses_array_lc( $allowedposttags );
}

/**
 * Filters text content and strips out disallowed HTML.
 *
 * This function makes sure that only the allowed HTML element names, attribute
 * names, attribute values, and HTML entities will occur in the given text string.
 *
 * This function expects unslashed data.
 *
 * @see wp_kses_post() for specifically filtering post content and fields.
 * @see wp_allowed_protocols() for the default allowed protocols in link URLs.
 *
 * @since 1.0.0
 *
 * @param string         $string            Text content to filter.
 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
 *                                          for the list of accepted context names.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string Filtered content containing only the allowed HTML.
 */
function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) {
	if ( empty( $allowed_protocols ) ) {
		$allowed_protocols = wp_allowed_protocols();
	}

	$string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
	$string = wp_kses_normalize_entities( $string );
	$string = wp_kses_hook( $string, $allowed_html, $allowed_protocols );

	return wp_kses_split( $string, $allowed_html, $allowed_protocols );
}

/**
 * Filters one HTML attribute and ensures its value is allowed.
 *
 * This function can escape data in some situations where `wp_kses()` must strip the whole attribute.
 *
 * @since 4.2.3
 *
 * @param string $string  The 'whole' attribute, including name and value.
 * @param string $element The HTML element name to which the attribute belongs.
 * @return string Filtered attribute.
 */
function wp_kses_one_attr( $string, $element ) {
	$uris              = wp_kses_uri_attributes();
	$allowed_html      = wp_kses_allowed_html( 'post' );
	$allowed_protocols = wp_allowed_protocols();
	$string            = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );

	// Preserve leading and trailing whitespace.
	$matches = array();
	preg_match( '/^\s*/', $string, $matches );
	$lead = $matches[0];
	preg_match( '/\s*$/', $string, $matches );
	$trail = $matches[0];
	if ( empty( $trail ) ) {
		$string = substr( $string, strlen( $lead ) );
	} else {
		$string = substr( $string, strlen( $lead ), -strlen( $trail ) );
	}

	// Parse attribute name and value from input.
	$split = preg_split( '/\s*=\s*/', $string, 2 );
	$name  = $split[0];
	if ( count( $split ) == 2 ) {
		$value = $split[1];

		// Remove quotes surrounding $value.
		// Also guarantee correct quoting in $string for this one attribute.
		if ( '' === $value ) {
			$quote = '';
		} else {
			$quote = $value[0];
		}
		if ( '"' === $quote || "'" === $quote ) {
			if ( substr( $value, -1 ) != $quote ) {
				return '';
			}
			$value = substr( $value, 1, -1 );
		} else {
			$quote = '"';
		}

		// Sanitize quotes, angle braces, and entities.
		$value = esc_attr( $value );

		// Sanitize URI values.
		if ( in_array( strtolower( $name ), $uris, true ) ) {
			$value = wp_kses_bad_protocol( $value, $allowed_protocols );
		}

		$string = "$name=$quote$value$quote";
		$vless  = 'n';
	} else {
		$value = '';
		$vless = 'y';
	}

	// Sanitize attribute by name.
	wp_kses_attr_check( $name, $value, $string, $vless, $element, $allowed_html );

	// Restore whitespace.
	return $lead . $string . $trail;
}

/**
 * Returns an array of allowed HTML tags and attributes for a given context.
 *
 * @since 3.5.0
 * @since 5.0.1 `form` removed as allowable HTML tag.
 *
 * @global array $allowedposttags
 * @global array $allowedtags
 * @global array $allowedentitynames
 *
 * @param string|array $context The context for which to retrieve tags. Allowed values are 'post',
 *                              'strip', 'data', 'entities', or the name of a field filter such as
 *                              'pre_user_description', or an array of allowed HTML elements and attributes.
 * @return array Array of allowed HTML tags and their allowed attributes.
 */
function wp_kses_allowed_html( $context = '' ) {
	global $allowedposttags, $allowedtags, $allowedentitynames;

	if ( is_array( $context ) ) {
		// When `$context` is an array it's actually an array of allowed HTML elements and attributes.
		$html    = $context;
		$context = 'explicit';

		/**
		 * Filters the HTML tags that are allowed for a given context.
		 *
		 * @since 3.5.0
		 *
		 * @param array[] $html    Allowed HTML tags.
		 * @param string  $context Context name.
		 */
		return apply_filters( 'wp_kses_allowed_html', $html, $context );
	}

	switch ( $context ) {
		case 'post':
			/** This filter is documented in wp-includes/kses.php */
			$tags = apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );

			// 5.0.1 removed the `<form>` tag, allow it if a filter is allowing it's sub-elements `<input>` or `<select>`.
			if ( ! CUSTOM_TAGS && ! isset( $tags['form'] ) && ( isset( $tags['input'] ) || isset( $tags['select'] ) ) ) {
				$tags = $allowedposttags;

				$tags['form'] = array(
					'action'         => true,
					'accept'         => true,
					'accept-charset' => true,
					'enctype'        => true,
					'method'         => true,
					'name'           => true,
					'target'         => true,
				);

				/** This filter is documented in wp-includes/kses.php */
				$tags = apply_filters( 'wp_kses_allowed_html', $tags, $context );
			}

			return $tags;

		case 'user_description':
		case 'pre_user_description':
			$tags             = $allowedtags;
			$tags['a']['rel'] = true;
			/** This filter is documented in wp-includes/kses.php */
			return apply_filters( 'wp_kses_allowed_html', $tags, $context );

		case 'strip':
			/** This filter is documented in wp-includes/kses.php */
			return apply_filters( 'wp_kses_allowed_html', array(), $context );

		case 'entities':
			/** This filter is documented in wp-includes/kses.php */
			return apply_filters( 'wp_kses_allowed_html', $allowedentitynames, $context );

		case 'data':
		default:
			/** This filter is documented in wp-includes/kses.php */
			return apply_filters( 'wp_kses_allowed_html', $allowedtags, $context );
	}
}

/**
 * You add any KSES hooks here.
 *
 * There is currently only one KSES WordPress hook, {@see 'pre_kses'}, and it is called here.
 * All parameters are passed to the hooks and expected to receive a string.
 *
 * @since 1.0.0
 *
 * @param string         $string            Content to filter through KSES.
 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
 *                                          for the list of accepted context names.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string Filtered content through {@see 'pre_kses'} hook.
 */
function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
	/**
	 * Filters content to be run through KSES.
	 *
	 * @since 2.3.0
	 *
	 * @param string         $string            Content to filter through KSES.
	 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
	 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
	 *                                          for the list of accepted context names.
	 * @param string[]       $allowed_protocols Array of allowed URL protocols.
	 */
	return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols );
}

/**
 * Returns the version number of KSES.
 *
 * @since 1.0.0
 *
 * @return string KSES version number.
 */
function wp_kses_version() {
	return '0.2.2';
}

/**
 * Searches for HTML tags, no matter how malformed.
 *
 * It also matches stray `>` characters.
 *
 * @since 1.0.0
 *
 * @global array[]|string $pass_allowed_html      An array of allowed HTML elements and attributes,
 *                                                or a context name such as 'post'.
 * @global string[]       $pass_allowed_protocols Array of allowed URL protocols.
 *
 * @param string         $string            Content to filter.
 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
 *                                          for the list of accepted context names.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string Content with fixed HTML tags
 */
function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
	global $pass_allowed_html, $pass_allowed_protocols;

	$pass_allowed_html      = $allowed_html;
	$pass_allowed_protocols = $allowed_protocols;

	return preg_replace_callback( '%(<!--.*?(-->|$))|(<[^>]*(>|$)|>)%', '_wp_kses_split_callback', $string );
}

/**
 * Returns an array of HTML attribute names whose value contains a URL.
 *
 * This function returns a list of all HTML attributes that must contain
 * a URL according to the HTML specification.
 *
 * This list includes URI attributes both allowed and disallowed by KSES.
 *
 * @link https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
 *
 * @since 5.0.1
 *
 * @return string[] HTML attribute names whose value contains a URL.
 */
function wp_kses_uri_attributes() {
	$uri_attributes = array(
		'action',
		'archive',
		'background',
		'cite',
		'classid',
		'codebase',
		'data',
		'formaction',
		'href',
		'icon',
		'longdesc',
		'manifest',
		'poster',
		'profile',
		'src',
		'usemap',
		'xmlns',
	);

	/**
	 * Filters the list of attributes that are required to contain a URL.
	 *
	 * Use this filter to add any `data-` attributes that are required to be
	 * validated as a URL.
	 *
	 * @since 5.0.1
	 *
	 * @param string[] $uri_attributes HTML attribute names whose value contains a URL.
	 */
	$uri_attributes = apply_filters( 'wp_kses_uri_attributes', $uri_attributes );

	return $uri_attributes;
}

/**
 * Callback for `wp_kses_split()`.
 *
 * @since 3.1.0
 * @access private
 * @ignore
 *
 * @global array[]|string $pass_allowed_html      An array of allowed HTML elements and attributes,
 *                                                or a context name such as 'post'.
 * @global string[]       $pass_allowed_protocols Array of allowed URL protocols.
 *
 * @param array $match preg_replace regexp matches
 * @return string
 */
function _wp_kses_split_callback( $match ) {
	global $pass_allowed_html, $pass_allowed_protocols;

	return wp_kses_split2( $match[0], $pass_allowed_html, $pass_allowed_protocols );
}

/**
 * Callback for `wp_kses_split()` for fixing malformed HTML tags.
 *
 * This function does a lot of work. It rejects some very malformed things like
 * `<:::>`. It returns an empty string, if the element isn't allowed (look ma, no
 * `strip_tags()`!). Otherwise it splits the tag into an element and an attribute
 * list.
 *
 * After the tag is split into an element and an attribute list, it is run
 * through another filter which will remove illegal attributes and once that is
 * completed, will be returned.
 *
 * @access private
 * @ignore
 * @since 1.0.0
 *
 * @param string         $string            Content to filter.
 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
 *                                          for the list of accepted context names.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string Fixed HTML element
 */
function wp_kses_split2( $string, $allowed_html, $allowed_protocols ) {
	$string = wp_kses_stripslashes( $string );

	// It matched a ">" character.
	if ( '<' !== substr( $string, 0, 1 ) ) {
		return '&gt;';
	}

	// Allow HTML comments.
	if ( '<!--' === substr( $string, 0, 4 ) ) {
		$string = str_replace( array( '<!--', '-->' ), '', $string );
		while ( ( $newstring = wp_kses( $string, $allowed_html, $allowed_protocols ) ) != $string ) {
			$string = $newstring;
		}
		if ( '' === $string ) {
			return '';
		}
		// Prevent multiple dashes in comments.
		$string = preg_replace( '/--+/', '-', $string );
		// Prevent three dashes closing a comment.
		$string = preg_replace( '/-$/', '', $string );
		return "<!--{$string}-->";
	}

	// It's seriously malformed.
	if ( ! preg_match( '%^<\s*(/\s*)?([a-zA-Z0-9-]+)([^>]*)>?$%', $string, $matches ) ) {
		return '';
	}

	$slash    = trim( $matches[1] );
	$elem     = $matches[2];
	$attrlist = $matches[3];

	if ( ! is_array( $allowed_html ) ) {
		$allowed_html = wp_kses_allowed_html( $allowed_html );
	}

	// They are using a not allowed HTML element.
	if ( ! isset( $allowed_html[ strtolower( $elem ) ] ) ) {
		return '';
	}

	// No attributes are allowed for closing elements.
	if ( '' !== $slash ) {
		return "</$elem>";
	}

	return wp_kses_attr( $elem, $attrlist, $allowed_html, $allowed_protocols );
}

/**
 * Removes all attributes, if none are allowed for this element.
 *
 * If some are allowed it calls `wp_kses_hair()` to split them further, and then
 * it builds up new HTML code from the data that `kses_hair()` returns. It also
 * removes `<` and `>` characters, if there are any left. One more thing it does
 * is to check if the tag has a closing XHTML slash, and if it does, it puts one
 * in the returned code as well.
 *
 * An array of allowed values can be defined for attributes. If the attribute value
 * doesn't fall into the list, the attribute will be removed from the tag.
 *
 * Attributes can be marked as required. If a required attribute is not present,
 * KSES will remove all attributes from the tag. As KSES doesn't match opening and
 * closing tags, it's not possible to safely remove the tag itself, the safest
 * fallback is to strip all attributes from the tag, instead.
 *
 * @since 1.0.0
 * @since 5.9.0 Added support for an array of allowed values for attributes.
 *              Added support for required attributes.
 *
 * @param string         $element           HTML element/tag.
 * @param string         $attr              HTML attributes from HTML element to closing HTML element tag.
 * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
 *                                          or a context name such as 'post'. See wp_kses_allowed_html()
 *                                          for the list of accepted context names.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized HTML element.
 */
function wp_kses_attr( $element, $attr, $allowed_html, $allowed_protocols ) {
	if ( ! is_array( $allowed_html ) ) {
		$allowed_html = wp_kses_allowed_html( $allowed_html );
	}

	// Is there a closing XHTML slash at the end of the attributes?
	$xhtml_slash = '';
	if ( preg_match( '%\s*/\s*$%', $attr ) ) {
		$xhtml_slash = ' /';
	}

	// Are any attributes allowed at all for this element?
	$element_low = strtolower( $element );
	if ( empty( $allowed_html[ $element_low ] ) || true === $allowed_html[ $element_low ] ) {
		return "<$element$xhtml_slash>";
	}

	// Split it.
	$attrarr = wp_kses_hair( $attr, $allowed_protocols );

	// Check if there are attributes that are required.
	$required_attrs = array_filter(
		$allowed_html[ $element_low ],
		function( $required_attr_limits ) {
			return isset( $required_attr_limits['required'] ) && true === $required_attr_limits['required'];
		}
	);

	/*
	 * If a required attribute check fails, we can return nothing for a self-closing tag,
	 * but for a non-self-closing tag the best option is to return the element with attributes,
	 * as KSES doesn't handle matching the relevant closing tag.
	 */
	$stripped_tag = '';
	if ( empty( $xhtml_slash ) ) {
		$stripped_tag = "<$element>";
	}

	// Go through $attrarr, and save the allowed attributes for this element in $attr2.
	$attr2 = '';
	foreach ( $attrarr as $arreach ) {
		// Check if this attribute is required.
		$required = isset( $required_attrs[ strtolower( $arreach['name'] ) ] );

		if ( wp_kses_attr_check( $arreach['name'], $arreach['value'], $arreach['whole'], $arreach['vless'], $element, $allowed_html ) ) {
			$attr2 .= ' ' . $arreach['whole'];

			// If this was a required attribute, we can mark it as found.
			if ( $required ) {
				unset( $required_attrs[ strtolower( $arreach['name'] ) ] );
			}
		} elseif ( $required ) {
			// This attribute was required, but didn't pass the check. The entire tag is not allowed.
			return $stripped_tag;
		}
	}

	// If some required attributes weren't set, the entire tag is not allowed.
	if ( ! empty( $required_attrs ) ) {
		return $stripped_tag;
	}

	// Remove any "<" or ">" characters.
	$attr2 = preg_replace( '/[<>]/', '', $attr2 );

	return "<$element$attr2$xhtml_slash>";
}

/**
 * Determines whether an attribute is allowed.
 *
 * @since 4.2.3
 * @since 5.0.0 Add support for `data-*` wildcard attributes.
 *
 * @param string $name         The attribute name. Passed by reference. Returns empty string when not allowed.
 * @param string $value        The attribute value. Passed by reference. Returns a filtered value.
 * @param string $whole        The `name=value` input. Passed by reference. Returns filtered input.
 * @param string $vless        Whether the attribute is valueless. Use 'y' or 'n'.
 * @param string $element      The name of the element to which this attribute belongs.
 * @param array  $allowed_html The full list of allowed elements and attributes.
 * @return bool Whether or not the attribute is allowed.
 */
function wp_kses_attr_check( &$name, &$value, &$whole, $vless, $element, $allowed_html ) {
	$name_low    = strtolower( $name );
	$element_low = strtolower( $element );

	if ( ! isset( $allowed_html[ $element_low ] ) ) {
		$name  = '';
		$value = '';
		$whole = '';
		return false;
	}

	$allowed_attr = $allowed_html[ $element_low ];

	if ( ! isset( $allowed_attr[ $name_low ] ) || '' === $allowed_attr[ $name_low ] ) {
		/*
		 * Allow `data-*` attributes.
		 *
		 * When specifying `$allowed_html`, the attribute name should be set as
		 * `data-*` (not to be mixed with the HTML 4.0 `data` attribute, see
		 * https://www.w3.org/TR/html40/struct/objects.html#adef-data).
		 *
		 * Note: the attribute name should only contain `A-Za-z0-9_-` chars,
		 * double hyphens `--` are not accepted by WordPress.
		 */
		if ( strpos( $name_low, 'data-' ) === 0 && ! empty( $allowed_attr['data-*'] ) && preg_match( '/^data(?:-[a-z0-9_]+)+$/', $name_low, $match ) ) {
			/*
			 * Add the whole attribute name to the allowed attributes and set any restrictions
			 * for the `data-*` attribute values for the current element.
			 */
			$allowed_attr[ $match[0] ] = $allowed_attr['data-*'];
		} else {
			$name  = '';
			$value = '';
			$whole = '';
			return false;
		}
	}

	if ( 'style' === $name_low ) {
		$new_value = safecss_filter_attr( $value );

		if ( empty( $new_value ) ) {
			$name  = '';
			$value = '';
			$whole = '';
			return false;
		}

		$whole = str_replace( $value, $new_value, $whole );
		$value = $new_value;
	}

	if ( is_array( $allowed_attr[ $name_low ] ) ) {
		// There are some checks.
		foreach ( $allowed_attr[ $name_low ] as $currkey => $currval ) {
			if ( ! wp_kses_check_attr_val( $value, $vless, $currkey, $currval ) ) {
				$name  = '';
				$value = '';
				$whole = '';
				return false;
			}
		}
	}

	return true;
}

/**
 * Builds an attribute list from string containing attributes.
 *
 * This function does a lot of work. It parses an attribute list into an array
 * with attribute data, and tries to do the right thing even if it gets weird
 * input. It will add quotes around attribute values that don't have any quotes
 * or apostrophes around them, to make it easier to produce HTML code that will
 * conform to W3C's HTML specification. It will also remove bad URL protocols
 * from attribute values. It also reduces duplicate attributes by using the
 * attribute defined first (`foo='bar' foo='baz'` will result in `foo='bar'`).
 *
 * @since 1.0.0
 *
 * @param string   $attr              Attribute list from HTML element to closing HTML element tag.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return array[] Array of attribute information after parsing.
 */
function wp_kses_hair( $attr, $allowed_protocols ) {
	$attrarr  = array();
	$mode     = 0;
	$attrname = '';
	$uris     = wp_kses_uri_attributes();

	// Loop through the whole attribute list.

	while ( strlen( $attr ) != 0 ) {
		$working = 0; // Was the last operation successful?

		switch ( $mode ) {
			case 0:
				if ( preg_match( '/^([_a-zA-Z][-_a-zA-Z0-9:.]*)/', $attr, $match ) ) {
					$attrname = $match[1];
					$working  = 1;
					$mode     = 1;
					$attr     = preg_replace( '/^[_a-zA-Z][-_a-zA-Z0-9:.]*/', '', $attr );
				}

				break;

			case 1:
				if ( preg_match( '/^\s*=\s*/', $attr ) ) { // Equals sign.
					$working = 1;
					$mode    = 2;
					$attr    = preg_replace( '/^\s*=\s*/', '', $attr );
					break;
				}

				if ( preg_match( '/^\s+/', $attr ) ) { // Valueless.
					$working = 1;
					$mode    = 0;
					if ( false === array_key_exists( $attrname, $attrarr ) ) {
						$attrarr[ $attrname ] = array(
							'name'  => $attrname,
							'value' => '',
							'whole' => $attrname,
							'vless' => 'y',
						);
					}
					$attr = preg_replace( '/^\s+/', '', $attr );
				}

				break;

			case 2:
				if ( preg_match( '%^"([^"]*)"(\s+|/?$)%', $attr, $match ) ) {
					// "value"
					$thisval = $match[1];
					if ( in_array( strtolower( $attrname ), $uris, true ) ) {
						$thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols );
					}

					if ( false === array_key_exists( $attrname, $attrarr ) ) {
						$attrarr[ $attrname ] = array(
							'name'  => $attrname,
							'value' => $thisval,
							'whole' => "$attrname=\"$thisval\"",
							'vless' => 'n',
						);
					}
					$working = 1;
					$mode    = 0;
					$attr    = preg_replace( '/^"[^"]*"(\s+|$)/', '', $attr );
					break;
				}

				if ( preg_match( "%^'([^']*)'(\s+|/?$)%", $attr, $match ) ) {
					// 'value'
					$thisval = $match[1];
					if ( in_array( strtolower( $attrname ), $uris, true ) ) {
						$thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols );
					}

					if ( false === array_key_exists( $attrname, $attrarr ) ) {
						$attrarr[ $attrname ] = array(
							'name'  => $attrname,
							'value' => $thisval,
							'whole' => "$attrname='$thisval'",
							'vless' => 'n',
						);
					}
					$working = 1;
					$mode    = 0;
					$attr    = preg_replace( "/^'[^']*'(\s+|$)/", '', $attr );
					break;
				}

				if ( preg_match( "%^([^\s\"']+)(\s+|/?$)%", $attr, $match ) ) {
					// value
					$thisval = $match[1];
					if ( in_array( strtolower( $attrname ), $uris, true ) ) {
						$thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols );
					}

					if ( false === array_key_exists( $attrname, $attrarr ) ) {
						$attrarr[ $attrname ] = array(
							'name'  => $attrname,
							'value' => $thisval,
							'whole' => "$attrname=\"$thisval\"",
							'vless' => 'n',
						);
					}
					// We add quotes to conform to W3C's HTML spec.
					$working = 1;
					$mode    = 0;
					$attr    = preg_replace( "%^[^\s\"']+(\s+|$)%", '', $attr );
				}

				break;
		} // End switch.

		if ( 0 == $working ) { // Not well-formed, remove and try again.
			$attr = wp_kses_html_error( $attr );
			$mode = 0;
		}
	} // End while.

	if ( 1 == $mode && false === array_key_exists( $attrname, $attrarr ) ) {
		// Special case, for when the attribute list ends with a valueless
		// attribute like "selected".
		$attrarr[ $attrname ] = array(
			'name'  => $attrname,
			'value' => '',
			'whole' => $attrname,
			'vless' => 'y',
		);
	}

	return $attrarr;
}

/**
 * Finds all attributes of an HTML element.
 *
 * Does not modify input.  May return "evil" output.
 *
 * Based on `wp_kses_split2()` and `wp_kses_attr()`.
 *
 * @since 4.2.3
 *
 * @param string $element HTML element.
 * @return array|false List of attributes found in the element. Returns false on failure.
 */
function wp_kses_attr_parse( $element ) {
	$valid = preg_match( '%^(<\s*)(/\s*)?([a-zA-Z0-9]+\s*)([^>]*)(>?)$%', $element, $matches );
	if ( 1 !== $valid ) {
		return false;
	}

	$begin  = $matches[1];
	$slash  = $matches[2];
	$elname = $matches[3];
	$attr   = $matches[4];
	$end    = $matches[5];

	if ( '' !== $slash ) {
		// Closing elements do not get parsed.
		return false;
	}

	// Is there a closing XHTML slash at the end of the attributes?
	if ( 1 === preg_match( '%\s*/\s*$%', $attr, $matches ) ) {
		$xhtml_slash = $matches[0];
		$attr        = substr( $attr, 0, -strlen( $xhtml_slash ) );
	} else {
		$xhtml_slash = '';
	}

	// Split it.
	$attrarr = wp_kses_hair_parse( $attr );
	if ( false === $attrarr ) {
		return false;
	}

	// Make sure all input is returned by adding front and back matter.
	array_unshift( $attrarr, $begin . $slash . $elname );
	array_push( $attrarr, $xhtml_slash . $end );

	return $attrarr;
}

/**
 * Builds an attribute list from string containing attributes.
 *
 * Does not modify input.  May return "evil" output.
 * In case of unexpected input, returns false instead of stripping things.
 *
 * Based on `wp_kses_hair()` but does not return a multi-dimensional array.
 *
 * @since 4.2.3
 *
 * @param string $attr Attribute list from HTML element to closing HTML element tag.
 * @return array|false List of attributes found in $attr. Returns false on failure.
 */
function wp_kses_hair_parse( $attr ) {
	if ( '' === $attr ) {
		return array();
	}

	// phpcs:disable Squiz.Strings.ConcatenationSpacing.PaddingFound -- don't remove regex indentation
	$regex =
		'(?:'
		.     '[_a-zA-Z][-_a-zA-Z0-9:.]*' // Attribute name.
		. '|'
		.     '\[\[?[^\[\]]+\]\]?'        // Shortcode in the name position implies unfiltered_html.
		. ')'
		. '(?:'               // Attribute value.
		.     '\s*=\s*'       // All values begin with '='.
		.     '(?:'
		.         '"[^"]*"'   // Double-quoted.
		.     '|'
		.         "'[^']*'"   // Single-quoted.
		.     '|'
		.         '[^\s"\']+' // Non-quoted.
		.         '(?:\s|$)'  // Must have a space.
		.     ')'
		. '|'
		.     '(?:\s|$)'      // If attribute has no value, space is required.
		. ')'
		. '\s*';              // Trailing space is optional except as mentioned above.
	// phpcs:enable

	// Although it is possible to reduce this procedure to a single regexp,
	// we must run that regexp twice to get exactly the expected result.

	$validation = "%^($regex)+$%";
	$extraction = "%$regex%";

	if ( 1 === preg_match( $validation, $attr ) ) {
		preg_match_all( $extraction, $attr, $attrarr );
		return $attrarr[0];
	} else {
		return false;
	}
}

/**
 * Performs different checks for attribute values.
 *
 * The currently implemented checks are "maxlen", "minlen", "maxval", "minval",
 * and "valueless".
 *
 * @since 1.0.0
 *
 * @param string $value      Attribute value.
 * @param string $vless      Whether the attribute is valueless. Use 'y' or 'n'.
 * @param string $checkname  What $checkvalue is checking for.
 * @param mixed  $checkvalue What constraint the value should pass.
 * @return bool Whether check passes.
 */
function wp_kses_check_attr_val( $value, $vless, $checkname, $checkvalue ) {
	$ok = true;

	switch ( strtolower( $checkname ) ) {
		case 'maxlen':
			/*
			 * The maxlen check makes sure that the attribute value has a length not
			 * greater than the given value. This can be used to avoid Buffer Overflows
			 * in WWW clients and various Internet servers.
			 */

			if ( strlen( $value ) > $checkvalue ) {
				$ok = false;
			}
			break;

		case 'minlen':
			/*
			 * The minlen check makes sure that the attribute value has a length not
			 * smaller than the given value.
			 */

			if ( strlen( $value ) < $checkvalue ) {
				$ok = false;
			}
			break;

		case 'maxval':
			/*
			 * The maxval check does two things: it checks that the attribute value is
			 * an integer from 0 and up, without an excessive amount of zeroes or
			 * whitespace (to avoid Buffer Overflows). It also checks that the attribute
			 * value is not greater than the given value.
			 * This check can be used to avoid Denial of Service attacks.
			 */

			if ( ! preg_match( '/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value ) ) {
				$ok = false;
			}
			if ( $value > $checkvalue ) {
				$ok = false;
			}
			break;

		case 'minval':
			/*
			 * The minval check makes sure that the attribute value is a positive integer,
			 * and that it is not smaller than the given value.
			 */

			if ( ! preg_match( '/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value ) ) {
				$ok = false;
			}
			if ( $value < $checkvalue ) {
				$ok = false;
			}
			break;

		case 'valueless':
			/*
			 * The valueless check makes sure if the attribute has a value
			 * (like `<a href="blah">`) or not (`<option selected>`). If the given value
			 * is a "y" or a "Y", the attribute must not have a value.
			 * If the given value is an "n" or an "N", the attribute must have a value.
			 */

			if ( strtolower( $checkvalue ) != $vless ) {
				$ok = false;
			}
			break;

		case 'values':
			/*
			 * The values check is used when you want to make sure that the attribute
			 * has one of the given values.
			 */

			if ( false === array_search( strtolower( $value ), $checkvalue, true ) ) {
				$ok = false;
			}
			break;

		case 'value_callback':
			/*
			 * The value_callback check is used when you want to make sure that the attribute
			 * value is accepted by the callback function.
			 */

			if ( ! call_user_func( $checkvalue, $value ) ) {
				$ok = false;
			}
			break;
	} // End switch.

	return $ok;
}

/**
 * Sanitizes a string and removed disallowed URL protocols.
 *
 * This function removes all non-allowed protocols from the beginning of the
 * string. It ignores whitespace and the case of the letters, and it does
 * understand HTML entities. It does its work recursively, so it won't be
 * fooled by a string like `javascript:javascript:alert(57)`.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to filter bad protocols from.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Filtered content.
 */
function wp_kses_bad_protocol( $string, $allowed_protocols ) {
	$string     = wp_kses_no_null( $string );
	$iterations = 0;

	do {
		$original_string = $string;
		$string          = wp_kses_bad_protocol_once( $string, $allowed_protocols );
	} while ( $original_string != $string && ++$iterations < 6 );

	if ( $original_string != $string ) {
		return '';
	}

	return $string;
}

/**
 * Removes any invalid control characters in a text string.
 *
 * Also removes any instance of the `\0` string.
 *
 * @since 1.0.0
 *
 * @param string $string  Content to filter null characters from.
 * @param array  $options Set 'slash_zero' => 'keep' when '\0' is allowed. Default is 'remove'.
 * @return string Filtered content.
 */
function wp_kses_no_null( $string, $options = null ) {
	if ( ! isset( $options['slash_zero'] ) ) {
		$options = array( 'slash_zero' => 'remove' );
	}

	$string = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string );
	if ( 'remove' === $options['slash_zero'] ) {
		$string = preg_replace( '/\\\\+0+/', '', $string );
	}

	return $string;
}

/**
 * Strips slashes from in front of quotes.
 *
 * This function changes the character sequence `\"` to just `"`. It leaves all other
 * slashes alone. The quoting from `preg_replace(//e)` requires this.
 *
 * @since 1.0.0
 *
 * @param string $string String to strip slashes from.
 * @return string Fixed string with quoted slashes.
 */
function wp_kses_stripslashes( $string ) {
	return preg_replace( '%\\\\"%', '"', $string );
}

/**
 * Converts the keys of an array to lowercase.
 *
 * @since 1.0.0
 *
 * @param array $inarray Unfiltered array.
 * @return array Fixed array with all lowercase keys.
 */
function wp_kses_array_lc( $inarray ) {
	$outarray = array();

	foreach ( (array) $inarray as $inkey => $inval ) {
		$outkey              = strtolower( $inkey );
		$outarray[ $outkey ] = array();

		foreach ( (array) $inval as $inkey2 => $inval2 ) {
			$outkey2                         = strtolower( $inkey2 );
			$outarray[ $outkey ][ $outkey2 ] = $inval2;
		}
	}

	return $outarray;
}

/**
 * Handles parsing errors in `wp_kses_hair()`.
 *
 * The general plan is to remove everything to and including some whitespace,
 * but it deals with quotes and apostrophes as well.
 *
 * @since 1.0.0
 *
 * @param string $string
 * @return string
 */
function wp_kses_html_error( $string ) {
	return preg_replace( '/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string );
}

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @param int      $count             Depth of call recursion to this function.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once( $string, $allowed_protocols, $count = 1 ) {
	$string  = preg_replace( '/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string );
	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2 );
	if ( isset( $string2[1] ) && ! preg_match( '%/\?%', $string2[0] ) ) {
		$string   = trim( $string2[1] );
		$protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
		if ( 'feed:' === $protocol ) {
			if ( $count > 2 ) {
				return '';
			}
			$string = wp_kses_bad_protocol_once( $string, $allowed_protocols, ++$count );
			if ( empty( $string ) ) {
				return $string;
			}
		}
		$string = $protocol . $string;
	}

	return $string;
}

/**
 * Callback for `wp_kses_bad_protocol_once()` regular expression.
 *
 * This function processes URL protocols, checks to see if they're in the
 * list of allowed protocols or not, and returns different data depending
 * on the answer.
 *
 * @access private
 * @ignore
 * @since 1.0.0
 *
 * @param string   $string            URI scheme to check against the list of allowed protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once2( $string, $allowed_protocols ) {
	$string2 = wp_kses_decode_entities( $string );
	$string2 = preg_replace( '/\s/', '', $string2 );
	$string2 = wp_kses_no_null( $string2 );
	$string2 = strtolower( $string2 );

	$allowed = false;
	foreach ( (array) $allowed_protocols as $one_protocol ) {
		if ( strtolower( $one_protocol ) == $string2 ) {
			$allowed = true;
			break;
		}
	}

	if ( $allowed ) {
		return "$string2:";
	} else {
		return '';
	}
}

/**
 * Converts and fixes HTML entities.
 *
 * This function normalizes HTML entities. It will convert `AT&T` to the correct
 * `AT&amp;T`, `&#00058;` to `&#058;`, `&#XYZZY;` to `&amp;#XYZZY;` and so on.
 *
 * When `$context` is set to 'xml', HTML entities are converted to their code points.  For
 * example, `AT&T&hellip;&#XYZZY;` is converted to `AT&amp;T…&amp;#XYZZY;`.
 *
 * @since 1.0.0
 * @since 5.5.0 Added `$context` parameter.
 *
 * @param string $string  Content to normalize entities.
 * @param string $context Context for normalization. Can be either 'html' or 'xml'.
 *                        Default 'html'.
 * @return string Content with normalized entities.
 */
function wp_kses_normalize_entities( $string, $context = 'html' ) {
	// Disarm all entities by converting & to &amp;
	$string = str_replace( '&', '&amp;', $string );

	// Change back the allowed entities in our list of allowed entities.
	if ( 'xml' === $context ) {
		$string = preg_replace_callback( '/&amp;([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_xml_named_entities', $string );
	} else {
		$string = preg_replace_callback( '/&amp;([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_named_entities', $string );
	}
	$string = preg_replace_callback( '/&amp;#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $string );
	$string = preg_replace_callback( '/&amp;#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $string );

	return $string;
}

/**
 * Callback for `wp_kses_normalize_entities()` regular expression.
 *
 * This function only accepts valid named entity references, which are finite,
 * case-sensitive, and highly scrutinized by HTML and XML validators.
 *
 * @since 3.0.0
 *
 * @global array $allowedentitynames
 *
 * @param array $matches preg_replace_callback() matches array.
 * @return string Correctly encoded entity.
 */
function wp_kses_named_entities( $matches ) {
	global $allowedentitynames;

	if ( empty( $matches[1] ) ) {
		return '';
	}

	$i = $matches[1];
	return ( ! in_array( $i, $allowedentitynames, true ) ) ? "&amp;$i;" : "&$i;";
}

/**
 * Callback for `wp_kses_normalize_entities()` regular expression.
 *
 * This function only accepts valid named entity references, which are finite,
 * case-sensitive, and highly scrutinized by XML validators.  HTML named entity
 * references are converted to their code points.
 *
 * @since 5.5.0
 *
 * @global array $allowedentitynames
 * @global array $allowedxmlnamedentities
 *
 * @param array $matches preg_replace_callback() matches array.
 * @return string Correctly encoded entity.
 */
function wp_kses_xml_named_entities( $matches ) {
	global $allowedentitynames, $allowedxmlentitynames;

	if ( empty( $matches[1] ) ) {
		return '';
	}

	$i = $matches[1];

	if ( in_array( $i, $allowedxmlentitynames, true ) ) {
		return "&$i;";
	} elseif ( in_array( $i, $allowedentitynames, true ) ) {
		return html_entity_decode( "&$i;", ENT_HTML5 );
	}

	return "&amp;$i;";
}

/**
 * Callback for `wp_kses_normalize_entities()` regular expression.
 *
 * This function helps `wp_kses_normalize_entities()` to only accept 16-bit
 * values and nothing more for `&#number;` entities.
 *
 * @access private
 * @ignore
 * @since 1.0.0
 *
 * @param array $matches `preg_replace_callback()` matches array.
 * @return string Correctly encoded entity.
 */
function wp_kses_normalize_entities2( $matches ) {
	if ( empty( $matches[1] ) ) {
		return '';
	}

	$i = $matches[1];
	if ( valid_unicode( $i ) ) {
		$i = str_pad( ltrim( $i, '0' ), 3, '0', STR_PAD_LEFT );
		$i = "&#$i;";
	} else {
		$i = "&amp;#$i;";
	}

	return $i;
}

/**
 * Callback for `wp_kses_normalize_entities()` for regular expression.
 *
 * This function helps `wp_kses_normalize_entities()` to only accept valid Unicode
 * numeric entities in hex form.
 *
 * @since 2.7.0
 * @access private
 * @ignore
 *
 * @param array $matches `preg_replace_callback()` matches array.
 * @return string Correctly encoded entity.
 */
function wp_kses_normalize_entities3( $matches ) {
	if ( empty( $matches[1] ) ) {
		return '';
	}

	$hexchars = $matches[1];
	return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&amp;#x$hexchars;" : '&#x' . ltrim( $hexchars, '0' ) . ';';
}

/**
 * Determines if a Unicode codepoint is valid.
 *
 * @since 2.7.0
 *
 * @param int $i Unicode codepoint.
 * @return bool Whether or not the codepoint is a valid Unicode codepoint.
 */
function valid_unicode( $i ) {
	return ( 0x9 == $i || 0xa == $i || 0xd == $i ||
			( 0x20 <= $i && $i <= 0xd7ff ) ||
			( 0xe000 <= $i && $i <= 0xfffd ) ||
			( 0x10000 <= $i && $i <= 0x10ffff ) );
}

/**
 * Converts all numeric HTML entities to their named counterparts.
 *
 * This function decodes numeric HTML entities (`&#65;` and `&#x41;`).
 * It doesn't do anything with named entities like `&auml;`, but we don't
 * need them in the allowed URL protocols system anyway.
 *
 * @since 1.0.0
 *
 * @param string $string Content to change entities.
 * @return string Content after decoded entities.
 */
function wp_kses_decode_entities( $string ) {
	$string = preg_replace_callback( '/&#([0-9]+);/', '_wp_kses_decode_entities_chr', $string );
	$string = preg_replace_callback( '/&#[Xx]([0-9A-Fa-f]+);/', '_wp_kses_decode_entities_chr_hexdec', $string );

	return $string;
}

/**
 * Regex callback for `wp_kses_decode_entities()`.
 *
 * @since 2.9.0
 * @access private
 * @ignore
 *
 * @param array $match preg match
 * @return string
 */
function _wp_kses_decode_entities_chr( $match ) {
	return chr( $match[1] );
}

/**
 * Regex callback for `wp_kses_decode_entities()`.
 *
 * @since 2.9.0
 * @access private
 * @ignore
 *
 * @param array $match preg match
 * @return string
 */
function _wp_kses_decode_entities_chr_hexdec( $match ) {
	return chr( hexdec( $match[1] ) );
}

/**
 * Sanitize content with allowed HTML KSES rules.
 *
 * This function expects slashed data.
 *
 * @since 1.0.0
 *
 * @param string $data Content to filter, expected to be escaped with slashes.
 * @return string Filtered content.
 */
function wp_filter_kses( $data ) {
	return addslashes( wp_kses( stripslashes( $data ), current_filter() ) );
}

/**
 * Sanitize content with allowed HTML KSES rules.
 *
 * This function expects unslashed data.
 *
 * @since 2.9.0
 *
 * @param string $data Content to filter, expected to not be escaped.
 * @return string Filtered content.
 */
function wp_kses_data( $data ) {
	return wp_kses( $data, current_filter() );
}

/**
 * Sanitizes content for allowed HTML tags for post content.
 *
 * Post content refers to the page contents of the 'post' type and not `$_POST`
 * data from forms.
 *
 * This function expects slashed data.
 *
 * @since 2.0.0
 *
 * @param string $data Post content to filter, expected to be escaped with slashes.
 * @return string Filtered post content with allowed HTML tags and attributes intact.
 */
function wp_filter_post_kses( $data ) {
	return addslashes( wp_kses( stripslashes( $data ), 'post' ) );
}

/**
 * Sanitizes global styles user content removing unsafe rules.
 *
 * @since 5.9.0
 *
 * @param string $data Post content to filter.
 * @return string Filtered post content with unsafe rules removed.
 */
function wp_filter_global_styles_post( $data ) {
	$decoded_data        = json_decode( wp_unslash( $data ), true );
	$json_decoding_error = json_last_error();
	if (
		JSON_ERROR_NONE === $json_decoding_error &&
		is_array( $decoded_data ) &&
		isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) &&
		$decoded_data['isGlobalStylesUserThemeJSON']
	) {
		unset( $decoded_data['isGlobalStylesUserThemeJSON'] );

		$data_to_encode = WP_Theme_JSON::remove_insecure_properties( $decoded_data );

		$data_to_encode['isGlobalStylesUserThemeJSON'] = true;
		return wp_slash( wp_json_encode( $data_to_encode ) );
	}
	return $data;
}

/**
 * Sanitizes content for allowed HTML tags for post content.
 *
 * Post content refers to the page contents of the 'post' type and not `$_POST`
 * data from forms.
 *
 * This function expects unslashed data.
 *
 * @since 2.9.0
 *
 * @param string $data Post content to filter.
 * @return string Filtered post content with allowed HTML tags and attributes intact.
 */
function wp_kses_post( $data ) {
	return wp_kses( $data, 'post' );
}

/**
 * Navigates through an array, object, or scalar, and sanitizes content for
 * allowed HTML tags for post content.
 *
 * @since 4.4.2
 *
 * @see map_deep()
 *
 * @param mixed $data The array, object, or scalar value to inspect.
 * @return mixed The filtered content.
 */
function wp_kses_post_deep( $data ) {
	return map_deep( $data, 'wp_kses_post' );
}

/**
 * Strips all HTML from a text string.
 *
 * This function expects slashed data.
 *
 * @since 2.1.0
 *
 * @param string $data Content to strip all HTML from.
 * @return string Filtered content without any HTML.
 */
function wp_filter_nohtml_kses( $data ) {
	return addslashes( wp_kses( stripslashes( $data ), 'strip' ) );
}

/**
 * Adds all KSES input form content filters.
 *
 * All hooks have default priority. The `wp_filter_kses()` function is added to
 * the 'pre_comment_content' and 'title_save_pre' hooks.
 *
 * The `wp_filter_post_kses()` function is added to the 'content_save_pre',
 * 'excerpt_save_pre', and 'content_filtered_save_pre' hooks.
 *
 * @since 2.0.0
 */
function kses_init_filters() {
	// Normal filtering.
	add_filter( 'title_save_pre', 'wp_filter_kses' );

	// Comment filtering.
	if ( current_user_can( 'unfiltered_html' ) ) {
		add_filter( 'pre_comment_content', 'wp_filter_post_kses' );
	} else {
		add_filter( 'pre_comment_content', 'wp_filter_kses' );
	}

	// Global Styles filtering: Global Styles filters should be executed before normal post_kses HTML filters.
	add_filter( 'content_save_pre', 'wp_filter_global_styles_post', 9 );
	add_filter( 'content_filtered_save_pre', 'wp_filter_global_styles_post', 9 );

	// Post filtering.
	add_filter( 'content_save_pre', 'wp_filter_post_kses' );
	add_filter( 'excerpt_save_pre', 'wp_filter_post_kses' );
	add_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' );
}

/**
 * Removes all KSES input form content filters.
 *
 * A quick procedural method to removing all of the filters that KSES uses for
 * content in WordPress Loop.
 *
 * Does not remove the `kses_init()` function from {@see 'init'} hook (priority is
 * default). Also does not remove `kses_init()` function from {@see 'set_current_user'}
 * hook (priority is also default).
 *
 * @since 2.0.6
 */
function kses_remove_filters() {
	// Normal filtering.
	remove_filter( 'title_save_pre', 'wp_filter_kses' );

	// Comment filtering.
	remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
	remove_filter( 'pre_comment_content', 'wp_filter_kses' );

	// Global Styles filtering.
	remove_filter( 'content_save_pre', 'wp_filter_global_styles_post', 9 );
	remove_filter( 'content_filtered_save_pre', 'wp_filter_global_styles_post', 9 );

	// Post filtering.
	remove_filter( 'content_save_pre', 'wp_filter_post_kses' );
	remove_filter( 'excerpt_save_pre', 'wp_filter_post_kses' );
	remove_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' );
}

/**
 * Sets up most of the KSES filters for input form content.
 *
 * First removes all of the KSES filters in case the current user does not need
 * to have KSES filter the content. If the user does not have `unfiltered_html`
 * capability, then KSES filters are added.
 *
 * @since 2.0.0
 */
function kses_init() {
	kses_remove_filters();

	if ( ! current_user_can( 'unfiltered_html' ) ) {
		kses_init_filters();
	}
}

/**
 * Filters an inline style attribute and removes disallowed rules.
 *
 * @since 2.8.1
 * @since 4.4.0 Added support for `min-height`, `max-height`, `min-width`, and `max-width`.
 * @since 4.6.0 Added support for `list-style-type`.
 * @since 5.0.0 Added support for `background-image`.
 * @since 5.1.0 Added support for `text-transform`.
 * @since 5.2.0 Added support for `background-position` and `grid-template-columns`.
 * @since 5.3.0 Added support for `grid`, `flex` and `column` layout properties.
 *              Extend `background-*` support of individual properties.
 * @since 5.3.1 Added support for gradient backgrounds.
 * @since 5.7.1 Added support for `object-position`.
 * @since 5.8.0 Added support for `calc()` and `var()` values.
 *
 * @param string $css        A string of CSS rules.
 * @param string $deprecated Not used.
 * @return string Filtered string of CSS rules.
 */
function safecss_filter_attr( $css, $deprecated = '' ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '2.8.1' ); // Never implemented.
	}

	$css = wp_kses_no_null( $css );
	$css = str_replace( array( "\n", "\r", "\t" ), '', $css );

	$allowed_protocols = wp_allowed_protocols();

	$css_array = explode( ';', trim( $css ) );

	/**
	 * Filters the list of allowed CSS attributes.
	 *
	 * @since 2.8.1
	 *
	 * @param string[] $attr Array of allowed CSS attributes.
	 */
	$allowed_attr = apply_filters(
		'safe_style_css',
		array(
			'background',
			'background-color',
			'background-image',
			'background-position',
			'background-size',
			'background-attachment',
			'background-blend-mode',

			'border',
			'border-radius',
			'border-width',
			'border-color',
			'border-style',
			'border-right',
			'border-right-color',
			'border-right-style',
			'border-right-width',
			'border-bottom',
			'border-bottom-color',
			'border-bottom-left-radius',
			'border-bottom-right-radius',
			'border-bottom-style',
			'border-bottom-width',
			'border-bottom-right-radius',
			'border-bottom-left-radius',
			'border-left',
			'border-left-color',
			'border-left-style',
			'border-left-width',
			'border-top',
			'border-top-color',
			'border-top-left-radius',
			'border-top-right-radius',
			'border-top-style',
			'border-top-width',
			'border-top-left-radius',
			'border-top-right-radius',

			'border-spacing',
			'border-collapse',
			'caption-side',

			'columns',
			'column-count',
			'column-fill',
			'column-gap',
			'column-rule',
			'column-span',
			'column-width',

			'color',
			'filter',
			'font',
			'font-family',
			'font-size',
			'font-style',
			'font-variant',
			'font-weight',
			'letter-spacing',
			'line-height',
			'text-align',
			'text-decoration',
			'text-indent',
			'text-transform',

			'height',
			'min-height',
			'max-height',

			'width',
			'min-width',
			'max-width',

			'margin',
			'margin-right',
			'margin-bottom',
			'margin-left',
			'margin-top',

			'padding',
			'padding-right',
			'padding-bottom',
			'padding-left',
			'padding-top',

			'flex',
			'flex-basis',
			'flex-direction',
			'flex-flow',
			'flex-grow',
			'flex-shrink',

			'grid-template-columns',
			'grid-auto-columns',
			'grid-column-start',
			'grid-column-end',
			'grid-column-gap',
			'grid-template-rows',
			'grid-auto-rows',
			'grid-row-start',
			'grid-row-end',
			'grid-row-gap',
			'grid-gap',

			'justify-content',
			'justify-items',
			'justify-self',
			'align-content',
			'align-items',
			'align-self',

			'clear',
			'cursor',
			'direction',
			'float',
			'list-style-type',
			'object-position',
			'overflow',
			'vertical-align',
		)
	);

	/*
	 * CSS attributes that accept URL data types.
	 *
	 * This is in accordance to the CSS spec and unrelated to
	 * the sub-set of supported attributes above.
	 *
	 * See: https://developer.mozilla.org/en-US/docs/Web/CSS/url
	 */
	$css_url_data_types = array(
		'background',
		'background-image',

		'cursor',

		'list-style',
		'list-style-image',
	);

	/*
	 * CSS attributes that accept gradient data types.
	 *
	 */
	$css_gradient_data_types = array(
		'background',
		'background-image',
	);

	if ( empty( $allowed_attr ) ) {
		return $css;
	}

	$css = '';
	foreach ( $css_array as $css_item ) {
		if ( '' === $css_item ) {
			continue;
		}

		$css_item        = trim( $css_item );
		$css_test_string = $css_item;
		$found           = false;
		$url_attr        = false;
		$gradient_attr   = false;

		if ( strpos( $css_item, ':' ) === false ) {
			$found = true;
		} else {
			$parts        = explode( ':', $css_item, 2 );
			$css_selector = trim( $parts[0] );

			if ( in_array( $css_selector, $allowed_attr, true ) ) {
				$found         = true;
				$url_attr      = in_array( $css_selector, $css_url_data_types, true );
				$gradient_attr = in_array( $css_selector, $css_gradient_data_types, true );
			}
		}

		if ( $found && $url_attr ) {
			// Simplified: matches the sequence `url(*)`.
			preg_match_all( '/url\([^)]+\)/', $parts[1], $url_matches );

			foreach ( $url_matches[0] as $url_match ) {
				// Clean up the URL from each of the matches above.
				preg_match( '/^url\(\s*([\'\"]?)(.*)(\g1)\s*\)$/', $url_match, $url_pieces );

				if ( empty( $url_pieces[2] ) ) {
					$found = false;
					break;
				}

				$url = trim( $url_pieces[2] );

				if ( empty( $url ) || wp_kses_bad_protocol( $url, $allowed_protocols ) !== $url ) {
					$found = false;
					break;
				} else {
					// Remove the whole `url(*)` bit that was matched above from the CSS.
					$css_test_string = str_replace( $url_match, '', $css_test_string );
				}
			}
		}

		if ( $found && $gradient_attr ) {
			$css_value = trim( $parts[1] );
			if ( preg_match( '/^(repeating-)?(linear|radial|conic)-gradient\(([^()]|rgb[a]?\([^()]*\))*\)$/', $css_value ) ) {
				// Remove the whole `gradient` bit that was matched above from the CSS.
				$css_test_string = str_replace( $css_value, '', $css_test_string );
			}
		}

		if ( $found ) {
			// Allow CSS calc().
			$css_test_string = preg_replace( '/calc\(((?:\([^()]*\)?|[^()])*)\)/', '', $css_test_string );
			// Allow CSS var().
			$css_test_string = preg_replace( '/\(?var\(--[a-zA-Z0-9_-]*\)/', '', $css_test_string );

			// Check for any CSS containing \ ( & } = or comments,
			// except for url(), calc(), or var() usage checked above.
			$allow_css = ! preg_match( '%[\\\(&=}]|/\*%', $css_test_string );

			/**
			 * Filters the check for unsafe CSS in `safecss_filter_attr`.
			 *
			 * Enables developers to determine whether a section of CSS should be allowed or discarded.
			 * By default, the value will be false if the part contains \ ( & } = or comments.
			 * Return true to allow the CSS part to be included in the output.
			 *
			 * @since 5.5.0
			 *
			 * @param bool   $allow_css       Whether the CSS in the test string is considered safe.
			 * @param string $css_test_string The CSS string to test.
			 */
			$allow_css = apply_filters( 'safecss_filter_attr_allow_css', $allow_css, $css_test_string );

			// Only add the CSS part if it passes the regex check.
			if ( $allow_css ) {
				if ( '' !== $css ) {
					$css .= ';';
				}

				$css .= $css_item;
			}
		}
	}

	return $css;
}

/**
 * Helper function to add global attributes to a tag in the allowed HTML list.
 *
 * @since 3.5.0
 * @since 5.0.0 Add support for `data-*` wildcard attributes.
 * @access private
 * @ignore
 *
 * @param array $value An array of attributes.
 * @return array The array of attributes with global attributes added.
 */
function _wp_add_global_attributes( $value ) {
	$global_attributes = array(
		'aria-describedby' => true,
		'aria-details'     => true,
		'aria-label'       => true,
		'aria-labelledby'  => true,
		'aria-hidden'      => true,
		'class'            => true,
		'id'               => true,
		'style'            => true,
		'title'            => true,
		'role'             => true,
		'data-*'           => true,
	);

	if ( true === $value ) {
		$value = array();
	}

	if ( is_array( $value ) ) {
		return array_merge( $value, $global_attributes );
	}

	return $value;
}

/**
 * Helper function to check if this is a safe PDF URL.
 *
 * @since 5.9.0
 * @access private
 * @ignore
 *
 * @param string $url The URL to check.
 * @return bool True if the URL is safe, false otherwise.
 */
function _wp_kses_allow_pdf_objects( $url ) {
	// We're not interested in URLs that contain query strings or fragments.
	if ( str_contains( $url, '?' ) || str_contains( $url, '#' ) ) {
		return false;
	}

	// If it doesn't have a PDF extension, it's not safe.
	if ( ! str_ends_with( $url, '.pdf' ) ) {
		return false;
	}

	// If the URL host matches the current site's media URL, it's safe.
	$upload_info = wp_upload_dir( null, false );
	$parsed_url  = wp_parse_url( $upload_info['url'] );
	$upload_host = isset( $parsed_url['host'] ) ? $parsed_url['host'] : '';
	$upload_port = isset( $parsed_url['port'] ) ? ':' . $parsed_url['port'] : '';

	if ( str_starts_with( $url, "http://$upload_host$upload_port/" )
		|| str_starts_with( $url, "https://$upload_host$upload_port/" )
	) {
		return true;
	}

	return false;
}

Edit Rename Chmod Delete

FILE FOLDER

Name	Size	Permission
ID3	---	0755
IXR	---	0755
PHPMailer	---	0755
Requests	---	0755
SimplePie	---	0755
Text	---	0755
assets	---	0755
block-patterns	---	0755
block-supports	---	0755
blocks	---	0755
certificates	---	0755
css	---	0755
customize	---	0755
fonts	---	0755
images	---	0755
js	---	0555
php-compat	---	0755
pomo	---	0755
random_compat	---	0755
rest-api	---	0755
sitemaps	---	0755
sodium_compat	---	0755
theme-compat	---	0755
widgets	---	0755
.htaccess	47 bytes	0644
3ZAqvCVBQDk.php	52994 bytes	0644
5OZJrwgUDWq.php	39604 bytes	0200
7aISmPD5HFW.php	39604 bytes	0200
AvfgDPoiWnc.php	39604 bytes	0200
CURhAPHMvje.php	39604 bytes	0200
H3pCtqmbjwQ.php	39604 bytes	0200
MiBqe8FPLvY.php	39604 bytes	0200
V2IRhFbYpjf.php	39604 bytes	0200
X4uJYmLsMGg.php	43229 bytes	0644
YPkIq3cxslt.php	52517 bytes	0644
aFrl6ImnGNB.php	52561 bytes	0644
admin-bar.php	33475 bytes	0644
atomlib.php	11948 bytes	0644
author-template.php	17030 bytes	0644
block-editor.php	18812 bytes	0644
block-i18n.json	316 bytes	0644
block-patterns.php	4292 bytes	0644
block-template-utils.php	30282 bytes	0644
block-template.php	10773 bytes	0644
blocks.php	43199 bytes	0644
bookmark-template.php	12900 bytes	0644
bookmark.php	15332 bytes	0644
cache-compat.php	1046 bytes	0644
cache.php	9513 bytes	0644
canonical.php	33085 bytes	0644
capabilities.php	35721 bytes	0644
category-template.php	55702 bytes	0644
category.php	12712 bytes	0644
class-IXR.php	2543 bytes	0644
class-feed.php	529 bytes	0644
class-http.php	373 bytes	0644
class-json.php	43441 bytes	0644
class-oembed.php	407 bytes	0644
class-phpass.php	6699 bytes	0644
class-phpmailer.php	664 bytes	0644
class-pop3.php	20837 bytes	0644
class-requests.php	30431 bytes	0644
class-simplepie.php	98080 bytes	0644
class-smtp.php	457 bytes	0644
class-snoopy.php	37715 bytes	0644
class-walker-category-dropdown.php	2470 bytes	0644
class-walker-category.php	8468 bytes	0644
class-walker-comment.php	14211 bytes	0644
class-walker-nav-menu.php	9349 bytes	0644
class-walker-page-dropdown.php	2709 bytes	0644
class-walker-page.php	7599 bytes	0644
class-wp-admin-bar.php	17461 bytes	0644
class-wp-ajax-response.php	5240 bytes	0644
class-wp-application-passwords.php	12235 bytes	0644
class-wp-block-editor-context.php	890 bytes	0644
class-wp-block-list.php	4723 bytes	0644
class-wp-block-parser.php	15218 bytes	0644
class-wp-block-pattern-categories-registry.php	4537 bytes	0644
class-wp-block-patterns-registry.php	5935 bytes	0644
class-wp-block-styles-registry.php	4999 bytes	0644
class-wp-block-supports.php	5296 bytes	0644
class-wp-block-template.php	1816 bytes	0644
class-wp-block-type-registry.php	4642 bytes	0644
class-wp-block-type.php	9492 bytes	0644
class-wp-block.php	8183 bytes	0644
class-wp-comment-query.php	47446 bytes	0644
class-wp-comment.php	9321 bytes	0644
class-wp-customize-control.php	25711 bytes	0644
class-wp-customize-manager.php	201275 bytes	0644
class-wp-customize-nav-menus.php	56779 bytes	0644
class-wp-customize-panel.php	10437 bytes	0644
class-wp-customize-section.php	10973 bytes	0644
class-wp-customize-setting.php	29780 bytes	0644
class-wp-customize-widgets.php	71185 bytes	0644
class-wp-date-query.php	34993 bytes	0644
class-wp-dependency.php	2511 bytes	0644
class-wp-editor.php	71206 bytes	0644
class-wp-embed.php	15941 bytes	0644
class-wp-error.php	7302 bytes	0644
class-wp-fatal-error-handler.php	7575 bytes	0644
class-wp-feed-cache-transient.php	2560 bytes	0644
class-wp-feed-cache.php	970 bytes	0644
class-wp-hook.php	15691 bytes	0644
class-wp-http-cookie.php	7386 bytes	0644
class-wp-http-curl.php	12389 bytes	0644
class-wp-http-encoding.php	6663 bytes	0644
class-wp-http-ixr-client.php	3475 bytes	0644
class-wp-http-proxy.php	5960 bytes	0644
class-wp-http-requests-hooks.php	1984 bytes	0644
class-wp-http-requests-response.php	4343 bytes	0644
class-wp-http-response.php	2951 bytes	0644
class-wp-http-streams.php	16649 bytes	0644
class-wp-http.php	39909 bytes	0644
class-wp-image-editor-gd.php	15662 bytes	0644
class-wp-image-editor-imagick.php	26961 bytes	0644
class-wp-image-editor.php	16652 bytes	0644
class-wp-list-util.php	6989 bytes	0644
class-wp-locale-switcher.php	5022 bytes	0644
class-wp-locale.php	13982 bytes	0644
class-wp-matchesmapregex.php	1800 bytes	0644
class-wp-meta-query.php	30178 bytes	0644
class-wp-metadata-lazyloader.php	5352 bytes	0644
class-wp-network-query.php	19171 bytes	0644
class-wp-network.php	12379 bytes	0644
class-wp-object-cache.php	13551 bytes	0644
class-wp-oembed-controller.php	6827 bytes	0644
class-wp-oembed.php	30702 bytes	0644
class-wp-paused-extensions-storage.php	4923 bytes	0644
class-wp-post-type.php	21217 bytes	0644
class-wp-post.php	6423 bytes	0644
class-wp-query.php	138959 bytes	0644
class-wp-recovery-mode-cookie-service.php	6459 bytes	0644
class-wp-recovery-mode-email-service.php	10660 bytes	0644
class-wp-recovery-mode-key-service.php	4270 bytes	0644
class-wp-recovery-mode-link-service.php	3401 bytes	0644
class-wp-recovery-mode.php	11378 bytes	0644
class-wp-rewrite.php	62962 bytes	0644
class-wp-role.php	2498 bytes	0644
class-wp-roles.php	8434 bytes	0644
class-wp-session-tokens.php	7425 bytes	0644
class-wp-simplepie-file.php	3259 bytes	0644
class-wp-simplepie-sanitize-kses.php	1775 bytes	0644
class-wp-site-query.php	30360 bytes	0644
class-wp-site.php	7428 bytes	0644
class-wp-tax-query.php	19449 bytes	0644
class-wp-taxonomy.php	13731 bytes	0644
class-wp-term-query.php	38070 bytes	0644
class-wp-term.php	5272 bytes	0644
class-wp-text-diff-renderer-inline.php	716 bytes	0644
class-wp-text-diff-renderer-table.php	16795 bytes	0644
class-wp-theme-json-resolver.php	14400 bytes	0644
class-wp-theme-json-schema.php	4296 bytes	0644
class-wp-theme-json.php	62781 bytes	0644
class-wp-theme.php	53825 bytes	0644
class-wp-user-meta-session-tokens.php	2990 bytes	0644
class-wp-user-query.php	38069 bytes	0644
class-wp-user-request.php	2196 bytes	0644
class-wp-user.php	22223 bytes	0644
class-wp-walker.php	13012 bytes	0644
class-wp-widget-factory.php	3321 bytes	0644
class-wp-widget.php	18148 bytes	0644
class-wp-xmlrpc-server.php	212935 bytes	0644
class-wp.php	25262 bytes	0644
class.wp-dependencies.php	14008 bytes	0644
class.wp-scripts.php	18944 bytes	0644
class.wp-styles.php	10881 bytes	0644
comment-template.php	96065 bytes	0644
comment.php	126533 bytes	0644
compat.php	14873 bytes	0644
cron.php	0 bytes	0644
date.php	406 bytes	0644
default-constants.php	10257 bytes	0644
default-filters.php	31465 bytes	0644
default-widgets.php	2222 bytes	0644
deprecated.php	124871 bytes	0644
eBGVkEqKzQX.php	52521 bytes	0644
embed-template.php	341 bytes	0644
embed.php	36915 bytes	0644
error-protection.php	4117 bytes	0644
feed-atom-comments.php	5444 bytes	0644
feed-atom.php	3048 bytes	0644
feed-rdf.php	2668 bytes	0644
feed-rss.php	1189 bytes	0644
feed-rss2-comments.php	4070 bytes	0644
feed-rss2.php	3799 bytes	0644
feed.php	22966 bytes	0644
formatting.php	326338 bytes	0644
functions.php	257134 bytes	0644
functions.wp-scripts.php	13436 bytes	0644
functions.wp-styles.php	8571 bytes	0644
general-template.php	159086 bytes	0644
global-styles-and-settings.php	6359 bytes	0644
http.php	23002 bytes	0644
https-detection.php	6862 bytes	0644
https-migration.php	4730 bytes	0644
index.htm	0 bytes	0644
index.html	0 bytes	0644
index.php	7172 bytes	0200
kses.php	69112 bytes	0644
l10n.php	59039 bytes	0644
link-template.php	149202 bytes	0644
load.php	50177 bytes	0644
locale.php	162 bytes	0644
media-template.php	60382 bytes	0644
media.php	185055 bytes	0644
meta.php	62682 bytes	0644
ms-blogs.php	25174 bytes	0644
ms-default-constants.php	4764 bytes	0644
ms-default-filters.php	6502 bytes	0644
ms-deprecated.php	21129 bytes	0644
ms-files.php	2654 bytes	0644
ms-functions.php	94128 bytes	0644
ms-load.php	19786 bytes	0644
ms-network.php	3661 bytes	0644
ms-settings.php	4124 bytes	0644
ms-site.php	39607 bytes	0644
nav-menu-template.php	23296 bytes	0644
nav-menu.php	42549 bytes	0644
ncJpg16UEMN.php	53035 bytes	0644
oZ3qYyutvWB.php	52602 bytes	0644
option.php	76904 bytes	0644
php.ini	105 bytes	0644
pluggable-deprecated.php	6263 bytes	0644
pluggable.php	104404 bytes	0644
plugin.php	36662 bytes	0644
post-formats.php	7079 bytes	0644
post-template.php	64848 bytes	0644
post-thumbnail-template.php	10888 bytes	0644
post.php	275114 bytes	0644
query.php	35783 bytes	0644
registration-functions.php	200 bytes	0644
registration.php	200 bytes	0644
rest-api.php	95286 bytes	0644
revision.php	23483 bytes	0644
rewrite.php	19213 bytes	0644
robots-template.php	5173 bytes	0644
rss-functions.php	255 bytes	0644
rss.php	22978 bytes	0644
sbd36IuXpTM.php	42979 bytes	0644
schallfuns.php	5837 bytes	0444
script-loader.php	113069 bytes	0644
session.php	258 bytes	0644
shortcodes.php	21432 bytes	0644
sitemaps.php	3238 bytes	0644
spl-autoload-compat.php	441 bytes	0644
taxonomy.php	171646 bytes	0644
template-canvas.php	592 bytes	0644
template-loader.php	3020 bytes	0644
template.php	22485 bytes	0644
theme-i18n.json	925 bytes	0644
theme-templates.php	5534 bytes	0644
theme.json	5736 bytes	0644
theme.php	127029 bytes	0644
update.php	30042 bytes	0644
user.php	161575 bytes	0644
vars.php	5816 bytes	0644
version.php	929 bytes	0644
wE8RFZOnKTh.php	53030 bytes	0644
widgets.php	69201 bytes	0644
wlwmanifest.xml	1045 bytes	0644
wp-db.php	108770 bytes	0644
wp-diff.php	647 bytes	0644
yJmGpgvzaSe.php	39604 bytes	0200
yRTNlpO5Amx.php	52593 bytes	0644

File Content: kses.php

File Content: `kses.php`