FM / wp-includes

/home/desid573/cf.desidrivers.com.au/wp-includes/

/home/desid573/cf.desidrivers.com.au/wp-includes

Name	Size	Mode	Actions
abilities-api/	-	0755	rm
ai-client/	-	0755	rm
assets/	-	0755	rm
block-bindings/	-	0755	rm
block-patterns/	-	0755	rm
block-supports/	-	0755	rm
blocks/	-	0755	rm
build/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
html-api/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
interactivity-api/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
l10n/	-	0755	rm
php-ai-client/	-	0755	rm
php-compat/	-	0755	rm
PHPMailer/	-	0755	rm
pomo/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sitemaps/	-	0755	rm
sodium_compat/	-	0755	rm
style-engine/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
.htaccess	178	0644	edit dl rm
abilities-api.php	32800	0644	edit dl rm
abilities.php	11797	0644	edit dl rm
admin-bar.php	40067	0644	edit dl rm
ai-client.php	2549	0644	edit dl rm
atomlib.php	12181	0644	edit dl rm
author-template.php	19844	0644	edit dl rm
block-bindings.php	7632	0644	edit dl rm
block-editor.php	28724	0644	edit dl rm
block-i18n.json	316	0644	edit dl rm
block-patterns.php	15606	0644	edit dl rm
block-template-utils.php	63168	0644	edit dl rm
block-template.php	18257	0644	edit dl rm
blocks.php	124205	0644	edit dl rm
bookmark-template.php	12768	0644	edit dl rm
bookmark.php	15427	0644	edit dl rm
cache-compat.php	11021	0644	edit dl rm
cache.php	13486	0644	edit dl rm
canonical.php	34786	0644	edit dl rm
capabilities.php	43584	0644	edit dl rm
category-template.php	56990	0644	edit dl rm
category.php	12834	0644	edit dl rm
class-avif-info.php	30008	0644	edit dl rm
class-feed.php	539	0644	edit dl rm
class-http.php	367	0644	edit dl rm
class-IXR.php	2609	0644	edit dl rm
class-json.php	43676	0644	edit dl rm
class-oembed.php	401	0644	edit dl rm
class-phpass.php	6771	0644	edit dl rm
class-phpmailer.php	664	0644	edit dl rm
class-pop3.php	21100	0644	edit dl rm
class-requests.php	2237	0644	edit dl rm
class-simplepie.php	453	0644	edit dl rm
class-smtp.php	457	0644	edit dl rm
class-snoopy.php	37715	0644	edit dl rm
class-walker-category-dropdown.php	2469	0644	edit dl rm
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class-walker-comment.php	14221	0644	edit dl rm
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class-wp-admin-bar.php	18002	0644	edit dl rm
class-wp-ajax-response.php	5288	0644	edit dl rm
class-wp-application-passwords.php	17099	0644	edit dl rm
class-wp-block-bindings-registry.php	8263	0644	edit dl rm
class-wp-block-bindings-source.php	2992	0644	edit dl rm
class-wp-block-editor-context.php	1350	0644	edit dl rm
class-wp-block-list.php	4713	0644	edit dl rm
class-wp-block-metadata-registry.php	11846	0644	edit dl rm
class-wp-block-parser-block.php	2555	0644	edit dl rm
class-wp-block-parser-frame.php	1994	0644	edit dl rm
class-wp-block-parser.php	11525	0644	edit dl rm
class-wp-block-pattern-categories-registry.php	4383	0644	edit dl rm
class-wp-block-patterns-registry.php	10265	0644	edit dl rm
class-wp-block-processor.php	69914	0644	edit dl rm
class-wp-block-styles-registry.php	6419	0644	edit dl rm
class-wp-block-supports.php	7578	0644	edit dl rm
class-wp-block-template.php	2111	0644	edit dl rm
class-wp-block-templates-registry.php	7080	0644	edit dl rm
class-wp-block-type-registry.php	5305	0644	edit dl rm
class-wp-block-type.php	17222	0644	edit dl rm
class-wp-block.php	28236	0644	edit dl rm
class-wp-classic-to-block-menu-converter.php	4026	0644	edit dl rm
class-wp-comment-query.php	49040	0644	edit dl rm
class-wp-comment.php	17249	0644	edit dl rm
class-wp-connector-registry.php	15181	0644	edit dl rm
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class-wp-customize-manager.php	202908	0644	edit dl rm
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class-wp-customize-widgets.php	72596	0644	edit dl rm
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class-wp-duotone.php	40836	0644	edit dl rm
class-wp-editor.php	72228	0644	edit dl rm
class-wp-embed.php	15908	0644	edit dl rm
class-wp-error.php	7514	0644	edit dl rm
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class-wp-image-editor-gd.php	20741	0644	edit dl rm
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class-wp-list-util.php	7443	0644	edit dl rm
class-wp-locale-switcher.php	6776	0644	edit dl rm
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class-wp-matchesmapregex.php	1828	0644	edit dl rm
class-wp-meta-query.php	30507	0644	edit dl rm
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class-wp-navigation-fallback.php	9193	0644	edit dl rm
class-wp-network-query.php	19989	0644	edit dl rm
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class-wp-paused-extensions-storage.php	5067	0644	edit dl rm
class-wp-phpmailer.php	4348	0644	edit dl rm
class-wp-plugin-dependencies.php	25209	0644	edit dl rm
class-wp-post-type.php	30672	0644	edit dl rm
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class-wp-recovery-mode-cookie-service.php	6877	0644	edit dl rm
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class-wp-recovery-mode-key-service.php	4914	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3523	0644	edit dl rm
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class-wp-role.php	2523	0644	edit dl rm
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class-wp-session-tokens.php	7319	0644	edit dl rm
class-wp-simplepie-file.php	3552	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1903	0644	edit dl rm
class-wp-site-query.php	31482	0644	edit dl rm
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class-wp-speculation-rules.php	7884	0644	edit dl rm
class-wp-styles.php	13316	0644	edit dl rm
class-wp-tax-query.php	19577	0644	edit dl rm
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class-wp-text-diff-renderer-inline.php	979	0644	edit dl rm
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class-wp-textdomain-registry.php	10481	0644	edit dl rm
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class-wp-walker.php	13292	0644	edit dl rm
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class.wp-styles.php	338	0644	edit dl rm
comment-template.php	103211	0644	edit dl rm
comment.php	150630	0644	edit dl rm
compat-utf8.php	19386	0644	edit dl rm
compat.php	22479	0644	edit dl rm
connectors.php	32922	0644	edit dl rm
cron.php	46266	0644	edit dl rm
date.php	400	0644	edit dl rm
default-constants.php	11365	0644	edit dl rm
default-filters.php	39500	0644	edit dl rm
default-widgets.php	2288	0644	edit dl rm
deprecated.php	193977	0644	edit dl rm
embed-template.php	338	0644	edit dl rm
embed.php	39215	0644	edit dl rm
error-protection.php	4092	0644	edit dl rm
error_log	565488	0644	edit dl rm
feed-atom-comments.php	5504	0644	edit dl rm
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feed-rdf.php	2668	0644	edit dl rm
feed-rss.php	1189	0644	edit dl rm
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feed.php	25189	0644	edit dl rm
fonts.php	9789	0644	edit dl rm
formatting.php	357652	0644	edit dl rm
functions.php	295481	0644	edit dl rm
functions.wp-scripts.php	20492	0644	edit dl rm
functions.wp-styles.php	8654	0644	edit dl rm
general-template.php	183472	0644	edit dl rm
global-styles-and-settings.php	20780	0644	edit dl rm
http.php	28961	0644	edit dl rm
https-detection.php	5857	0644	edit dl rm
https-migration.php	4741	0644	edit dl rm
icons.php	6334	0644	edit dl rm
json-schema.php	7802	0644	edit dl rm
kses.php	88497	0644	edit dl rm
l10n.php	71415	0644	edit dl rm
link-template.php	160143	0644	edit dl rm
load.php	56475	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	65759	0644	edit dl rm
media.php	236804	0644	edit dl rm
meta.php	66739	0644	edit dl rm
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registration.php	200	0644	edit dl rm
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robots-template.php	5185	0644	edit dl rm
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rss.php	23203	0644	edit dl rm
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session.php	258	0644	edit dl rm
shortcodes.php	24034	0644	edit dl rm
sitemaps.php	3238	0644	edit dl rm
speculative-loading.php	11880	0644	edit dl rm
spl-autoload-compat.php	441	0644	edit dl rm
style-engine.php	8045	0644	edit dl rm
taxonomy.php	178307	0644	edit dl rm
template-canvas.php	544	0644	edit dl rm
template-loader.php	4267	0644	edit dl rm
template.php	36824	0644	edit dl rm
theme-i18n.json	1892	0644	edit dl rm
theme-previews.php	2887	0644	edit dl rm
theme-templates.php	4060	0644	edit dl rm
theme.json	9480	0644	edit dl rm
theme.php	134641	0644	edit dl rm
update.php	38269	0644	edit dl rm
user.php	180301	0644	edit dl rm
utf8.php	6977	0644	edit dl rm
vars.php	6600	0644	edit dl rm
version.php	1101	0644	edit dl rm
view-config.php	19087	0644	edit dl rm
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Edit: /home/desid573/cf.desidrivers.com.au/wp-includes/compat.php (22479B)

<?php
/**
 * WordPress implementation for PHP functions either missing from older PHP versions or not included by default.
 *
 * This file is loaded extremely early and the functions can be relied upon by drop-ins.
 * Ergo, please ensure you do not rely on external functions when writing code for this file.
 * Only use functions built into PHP or are defined in this file and have adequate testing
 * and error suppression to ensure the file will run correctly and not break websites.
 *
 * @package PHP
 * @access private
 */

// If gettext isn't available.
if ( ! function_exists( '_' ) ) {
	/**
	 * Compat function to mimic _(), an alias of gettext().
	 *
	 * @since 0.71
	 *
	 * @see https://php.net/manual/en/function.gettext.php
	 *
	 * @param string $message The message being translated.
	 * @return string
	 */
	function _( $message ) {
		return $message;
	}
}

/**
 * Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use.
 *
 * @ignore
 * @since 4.2.2
 * @since 6.9.0 Deprecated the `$set` argument.
 * @access private
 *
 * @param bool $set Deprecated. This argument is no longer used for testing purposes.
 */
function _wp_can_use_pcre_u( $set = null ) {
	static $utf8_pcre = null;

if ( isset( $set ) ) {
		_deprecated_argument( __FUNCTION__, '6.9.0' );
	}

if ( isset( $utf8_pcre ) ) {
		return $utf8_pcre;
	}

$utf8_pcre = true;
	set_error_handler(
		function ( $errno, $errstr ) use ( &$utf8_pcre ) {
			if ( str_starts_with( $errstr, 'preg_match():' ) ) {
				$utf8_pcre = false;
				return true;
			}

return false;
		},
		E_WARNING
	);

/*
	 * Attempt to compile a PCRE pattern with the PCRE_UTF8 flag. For
	 * systems lacking Unicode support this will trigger a warning
	 * during compilation, which the error handler will intercept.
	 */
	preg_match( '//u', '' );
	restore_error_handler();

return $utf8_pcre;
}

/**
 * Indicates if a given slug for a character set represents the UTF-8 text encoding.
 *
 * A charset is considered to represent UTF-8 if it is a case-insensitive match
 * of "UTF-8" with or without the hyphen.
 *
 * Example:
 *
 *     true  === _is_utf8_charset( 'UTF-8' );
 *     true  === _is_utf8_charset( 'utf8' );
 *     false === _is_utf8_charset( 'latin1' );
 *     false === _is_utf8_charset( 'UTF 8' );
 *
 *     // Only strings match.
 *     false === _is_utf8_charset( [ 'charset' => 'utf-8' ] );
 *
 * `is_utf8_charset` should be used outside of this file.
 *
 * @ignore
 * @since 6.6.1
 *
 * @param string $charset_slug Slug representing a text character encoding, or "charset".
 *                             E.g. "UTF-8", "Windows-1252", "ISO-8859-1", "SJIS".
 *
 * @return bool Whether the slug represents the UTF-8 encoding.
 */
function _is_utf8_charset( $charset_slug ) {
	if ( ! is_string( $charset_slug ) ) {
		return false;
	}

return (
		0 === strcasecmp( 'UTF-8', $charset_slug ) ||
		0 === strcasecmp( 'UTF8', $charset_slug )
	);
}

if ( ! function_exists( 'mb_chr' ) ) :
	/**
	 * Compat function to mimic mb_chr().
	 *
	 * @ignore
	 * @since 7.1.0
	 *
	 * @see _mb_ord()
	 *
	 * @param int          $codepoint A Unicode codepoint value, e.g. 128024 for U+1F418 ELEPHANT
	 * @param "UTF-8"|null $encoding  Must be 'UTF-8' or null.
	 * @return string|false A string containing the requested character, if it can be represented in the specified encoding or false on failure.
	 */
	function mb_chr( $codepoint, $encoding = null ) {
		return _mb_chr( $codepoint, $encoding );
	}
endif;

/**
 * Internal compat function to mimic mb_chr().
 *
 * @ignore
 * @since 7.1.0
 *
 * @param int          $codepoint A Unicode codepoint value, e.g. 128024 for U+1F418 ELEPHANT
 * @param "UTF-8"|null $encoding  Must be 'UTF-8' or null.
 * @return string|false A string containing the requested character, if it can be represented in the specified encoding or false on failure.
 */
function _mb_chr( $codepoint, $encoding = null ) {
	if ( ! is_int( $codepoint ) || ( isset( $encoding ) && 'UTF-8' !== $encoding ) ) {
		return false;
	}

// Pre-check to ensure a valid code point.
	if (
		$codepoint < 0 ||
		( $codepoint >= 0xD800 && $codepoint <= 0xDFFF ) ||
		$codepoint > 0x10FFFF
	) {
		return false;
	}

if ( $codepoint <= 0x7F ) {
		return chr( $codepoint );
	}

if ( $codepoint <= 0x7FF ) {
		$byte1 = chr( ( $codepoint >> 6 ) | 0xC0 );
		$byte2 = chr( $codepoint & 0x3F | 0x80 );

return "{$byte1}{$byte2}";
	}

if ( $codepoint <= 0xFFFF ) {
		$byte1 = chr( ( $codepoint >> 12 ) | 0xE0 );
		$byte2 = chr( ( $codepoint >> 6 ) & 0x3F | 0x80 );
		$byte3 = chr( $codepoint & 0x3F | 0x80 );

return "{$byte1}{$byte2}{$byte3}";
	}

// Any values above U+10FFFF are eliminated above in the pre-check.
	$byte1 = chr( ( $codepoint >> 18 ) | 0xF0 );
	$byte2 = chr( ( $codepoint >> 12 ) & 0x3F | 0x80 );
	$byte3 = chr( ( $codepoint >> 6 ) & 0x3F | 0x80 );
	$byte4 = chr( $codepoint & 0x3F | 0x80 );

return "{$byte1}{$byte2}{$byte3}{$byte4}";
}

if ( ! function_exists( 'mb_ord' ) ) :
	/**
	 * Compat function to mimic mb_ord().
	 *
	 * @ignore
	 * @since 7.1.0
	 *
	 * @see _mb_ord()
	 *
	 * @param string       $string   Return the code point at the start of this string.
	 * @param "UTF-8"|null $encoding Must be 'UTF-8' or null.
	 * @return int|false The Unicode code point for the first character of string or false on failure.
	 */
	function mb_ord( $string, $encoding = null ) {
		return _mb_ord( $string, $encoding );
	}
endif;

/**
 * Internal compat function to mimic mb_ord().
 *
 * @ignore
 * @since 7.1.0
 *
 * @param string       $string   Return the code point at the start of this string.
 * @param "UTF-8"|null $encoding Must be 'UTF-8' or null.
 * @return int|false The Unicode code point for the first character of string or false on failure.
 */
function _mb_ord( $string, $encoding = null ) {
	if ( ! is_string( $string ) || '' === $string || ( isset( $encoding ) && 'UTF-8' !== $encoding ) ) {
		return false;
	}

$byte_length    = 0;
	$invalid_length = 0;
	$found_count    = _wp_scan_utf8( $string, $byte_length, $invalid_length, null, 1 );

if ( 1 !== $found_count ) {
		return false;
	}

// These are valid code points, so no further validation is required.
	$b0 = ord( $string[0] );

switch ( $byte_length ) {
		case 1:
			return $b0;

case 2:
			return (
				( ( $b0 & 0x1F ) << 6 ) |
				( ( ord( $string[1] ) & 0x3F ) )
			);

case 3:
			return (
				( ( $b0 & 0x0F ) << 12 ) |
				( ( ord( $string[1] ) & 0x3F ) << 6 ) |
				( ( ord( $string[2] ) & 0x3F ) )
			);

case 4:
			return (
				( ( $b0 & 0x07 ) << 18 ) |
				( ( ord( $string[1] ) & 0x3F ) << 12 ) |
				( ( ord( $string[2] ) & 0x3F ) << 6 ) |
				( ( ord( $string[3] ) & 0x3F ) )
			);
	}

return false;
}

if ( ! function_exists( 'mb_substr' ) ) :
	/**
	 * Compat function to mimic mb_substr().
	 *
	 * @ignore
	 * @since 3.2.0
	 *
	 * @see _mb_substr()
	 *
	 * @param string      $string   The string to extract the substring from.
	 * @param int         $start    Position to being extraction from in `$string`.
	 * @param int|null    $length   Optional. Maximum number of characters to extract from `$string`.
	 *                              Default null.
	 * @param string|null $encoding Optional. Character encoding to use. Default null.
	 * @return string Extracted substring.
	 */
	function mb_substr( $string, $start, $length = null, $encoding = null ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound
		return _mb_substr( $string, $start, $length, $encoding );
	}
endif;

/**
 * Internal compat function to mimic mb_substr().
 *
 * Only supports UTF-8 and non-shifting single-byte encodings. For all other encodings
 * expect the substrings to be misaligned. When the given encoding (or the `blog_charset`
 * if none is provided) isn’t UTF-8 then the function returns the output of {@see \substr()}.
 *
 * @ignore
 * @since 3.2.0
 *
 * @param string      $str      The string to extract the substring from.
 * @param int         $start    Character offset at which to start the substring extraction.
 * @param int|null    $length   Optional. Maximum number of characters to extract from `$str`.
 *                              Default null.
 * @param string|null $encoding Optional. Character encoding to use. Default null.
 * @return string Extracted substring.
 */
function _mb_substr( $str, $start, $length = null, $encoding = null ) {
	if ( null === $str ) {
		return '';
	}

// The solution below works only for UTF-8; treat all other encodings as byte streams.
	if ( ! _is_utf8_charset( $encoding ?? get_option( 'blog_charset' ) ) ) {
		$result = is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length );

/*
		 * For an out-of-range start, substr() returns false on PHP < 8.0 but an
		 * empty string on PHP >= 8.0. mb_substr() always returns an empty string,
		 * so normalize to match its behavior across all supported PHP versions.
		 */
		return false === $result ? '' : $result;
	}

$total_length = ( $start < 0 || $length < 0 )
		? _wp_utf8_codepoint_count( $str )
		: 0;

$normalized_start = $start < 0
		? max( 0, $total_length + $start )
		: $start;

/*
	 * The starting offset is provided as characters, which means this needs to
	 * find how many bytes that many characters occupies at the start of the string.
	 */
	$starting_byte_offset = _wp_utf8_codepoint_span( $str, 0, $normalized_start );

$normalized_length = $length < 0
		? max( 0, $total_length - $normalized_start + $length )
		: $length;

/*
	 * This is the main step. It finds how many bytes the given length of code points
	 * occupies in the input, starting at the byte offset calculated above.
	 */
	$byte_length = isset( $normalized_length )
		? _wp_utf8_codepoint_span( $str, $starting_byte_offset, $normalized_length )
		: ( strlen( $str ) - $starting_byte_offset );

// The result is a normal byte-level substring using the computed ranges.
	return substr( $str, $starting_byte_offset, $byte_length );
}

if ( ! function_exists( 'mb_strlen' ) ) :
	/**
	 * Compat function to mimic mb_strlen().
	 *
	 * @ignore
	 * @since 4.2.0
	 *
	 * @see _mb_strlen()
	 *
	 * @param string      $string   The string to retrieve the character length from.
	 * @param string|null $encoding Optional. Character encoding to use. Default null.
	 * @return int String length of `$string`.
	 */
	function mb_strlen( $string, $encoding = null ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound
		return _mb_strlen( $string, $encoding );
	}
endif;

/**
 * Internal compat function to mimic mb_strlen().
 *
 * Only supports UTF-8 and non-shifting single-byte encodings. For all other
 * encodings expect the counts to be wrong. When the given encoding (or the
 * `blog_charset` if none is provided) isn’t UTF-8 then the function returns
 * the byte-count of the provided string.
 *
 * @ignore
 * @since 4.2.0
 *
 * @param string      $str      The string to retrieve the character length from.
 * @param string|null $encoding Optional. Count characters according to this encoding.
 *                              Default is to consult `blog_charset`.
 * @return int Count of code points if UTF-8, byte length otherwise.
 */
function _mb_strlen( $str, $encoding = null ) {
	return _is_utf8_charset( $encoding ?? get_option( 'blog_charset' ) )
		? _wp_utf8_codepoint_count( $str )
		: strlen( $str );
}

if ( ! function_exists( 'utf8_encode' ) ) :
	if ( extension_loaded( 'mbstring' ) ) :
		/**
		 * Converts a string from ISO-8859-1 to UTF-8.
		 *
		 * @deprecated Use {@see \mb_convert_encoding()} instead.
		 *
		 * @since 6.9.0
		 *
		 * @param string $iso_8859_1_text Text treated as ISO-8859-1 (latin1) bytes.
		 * @return string Text converted into a UTF-8.
		 */
		function utf8_encode( $iso_8859_1_text ): string {
			_deprecated_function( __FUNCTION__, '6.9.0', 'mb_convert_encoding' );

return mb_convert_encoding( $iso_8859_1_text, 'UTF-8', 'ISO-8859-1' );
		}

else :
		/**
		 * @ignore
		 * @private
		 *
		 * @since 6.9.0
		 */
		function utf8_encode( $iso_8859_1_text ): string {
			_deprecated_function( __FUNCTION__, '6.9.0', 'mb_convert_encoding' );

return _wp_utf8_encode_fallback( $iso_8859_1_text );
		}

endif;
endif;

if ( ! function_exists( 'utf8_decode' ) ) :
	if ( extension_loaded( 'mbstring' ) ) :
		/**
		 * Converts a string from UTF-8 to ISO-8859-1.
		 *
		 * @deprecated Use {@see \mb_convert_encoding()} instead.
		 *
		 * @since 6.9.0
		 *
		 * @param string $utf8_text Text treated as UTF-8.
		 * @return string Text converted into ISO-8859-1.
		 */
		function utf8_decode( $utf8_text ): string {
			_deprecated_function( __FUNCTION__, '6.9.0', 'mb_convert_encoding' );

return mb_convert_encoding( $utf8_text, 'ISO-8859-1', 'UTF-8' );
		}

else :
		/**
		 * @ignore
		 * @private
		 *
		 * @since 6.9.0
		 */
		function utf8_decode( $utf8_text ): string {
			_deprecated_function( __FUNCTION__, '6.9.0', 'mb_convert_encoding' );

return _wp_utf8_decode_fallback( $utf8_text );
		}

endif;
endif;

// sodium_crypto_box() was introduced with Sodium in PHP 7.2, but the extension may not be enabled.
if ( ! function_exists( 'sodium_crypto_box' ) ) {
	require ABSPATH . WPINC . '/sodium_compat/autoload.php';
}

if ( ! function_exists( 'array_is_list' ) ) {
	/**
	 * Polyfill for `array_is_list()` function added in PHP 8.1.
	 *
	 * Determines if the given array is a list.
	 *
	 * An array is considered a list if its keys consist of consecutive numbers from 0 to count($array)-1.
	 *
	 * @see https://github.com/symfony/polyfill-php81/tree/main
	 *
	 * @since 6.5.0
	 *
	 * @param array<mixed> $arr The array being evaluated.
	 * @return bool True if array is a list, false otherwise.
	 */
	function array_is_list( $arr ) {
		if ( ( array() === $arr ) || ( array_values( $arr ) === $arr ) ) {
			return true;
		}

$next_key = -1;

foreach ( $arr as $k => $v ) {
			if ( ++$next_key !== $k ) {
				return false;
			}
		}

return true;
	}
}

if ( ! function_exists( 'str_contains' ) ) {
	/**
	 * Polyfill for `str_contains()` function added in PHP 8.0.
	 *
	 * Performs a case-sensitive check indicating if needle is
	 * contained in haystack.
	 *
	 * @since 5.9.0
	 *
	 * @param string $haystack The string to search in.
	 * @param string $needle   The substring to search for in the `$haystack`.
	 * @return bool True if `$needle` is in `$haystack`, otherwise false.
	 */
	function str_contains( $haystack, $needle ) {
		if ( '' === $needle ) {
			return true;
		}

return false !== strpos( $haystack, $needle );
	}
}

if ( ! function_exists( 'str_starts_with' ) ) {
	/**
	 * Polyfill for `str_starts_with()` function added in PHP 8.0.
	 *
	 * Performs a case-sensitive check indicating if
	 * the haystack begins with needle.
	 *
	 * @since 5.9.0
	 *
	 * @param string $haystack The string to search in.
	 * @param string $needle   The substring to search for in the `$haystack`.
	 * @return bool True if `$haystack` starts with `$needle`, otherwise false.
	 */
	function str_starts_with( $haystack, $needle ) {
		if ( '' === $needle ) {
			return true;
		}

return 0 === strpos( $haystack, $needle );
	}
}

if ( ! function_exists( 'str_ends_with' ) ) {
	/**
	 * Polyfill for `str_ends_with()` function added in PHP 8.0.
	 *
	 * Performs a case-sensitive check indicating if
	 * the haystack ends with needle.
	 *
	 * @since 5.9.0
	 *
	 * @param string $haystack The string to search in.
	 * @param string $needle   The substring to search for in the `$haystack`.
	 * @return bool True if `$haystack` ends with `$needle`, otherwise false.
	 */
	function str_ends_with( $haystack, $needle ) {
		if ( '' === $haystack ) {
			return '' === $needle;
		}

$len = strlen( $needle );

return substr( $haystack, -$len, $len ) === $needle;
	}
}

if ( ! function_exists( 'array_find' ) ) {
	/**
	 * Polyfill for `array_find()` function added in PHP 8.4.
	 *
	 * Searches an array for the first element that passes a given callback.
	 *
	 * @since 6.8.0
	 *
	 * @param array    $array    The array to search.
	 * @param callable $callback The callback to run for each element.
	 * @return mixed|null The first element in the array that passes the `$callback`, otherwise null.
	 */
	function array_find( array $array, callable $callback ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		foreach ( $array as $key => $value ) {
			if ( $callback( $value, $key ) ) {
				return $value;
			}
		}

return null;
	}
}

if ( ! function_exists( 'array_find_key' ) ) {
	/**
	 * Polyfill for `array_find_key()` function added in PHP 8.4.
	 *
	 * Searches an array for the first key that passes a given callback.
	 *
	 * @since 6.8.0
	 *
	 * @param array    $array    The array to search.
	 * @param callable $callback The callback to run for each element.
	 * @return int|string|null The first key in the array that passes the `$callback`, otherwise null.
	 */
	function array_find_key( array $array, callable $callback ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		foreach ( $array as $key => $value ) {
			if ( $callback( $value, $key ) ) {
				return $key;
			}
		}

return null;
	}
}

if ( ! function_exists( 'array_any' ) ) {
	/**
	 * Polyfill for `array_any()` function added in PHP 8.4.
	 *
	 * Checks if any element of an array passes a given callback.
	 *
	 * @since 6.8.0
	 *
	 * @param array    $array    The array to check.
	 * @param callable $callback The callback to run for each element.
	 * @return bool True if any element in the array passes the `$callback`, otherwise false.
	 */
	function array_any( array $array, callable $callback ): bool { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		foreach ( $array as $key => $value ) {
			if ( $callback( $value, $key ) ) {
				return true;
			}
		}

return false;
	}
}

if ( ! function_exists( 'array_all' ) ) {
	/**
	 * Polyfill for `array_all()` function added in PHP 8.4.
	 *
	 * Checks if all elements of an array pass a given callback.
	 *
	 * @since 6.8.0
	 *
	 * @param array    $array    The array to check.
	 * @param callable $callback The callback to run for each element.
	 * @return bool True if all elements in the array pass the `$callback`, otherwise false.
	 */
	function array_all( array $array, callable $callback ): bool { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		foreach ( $array as $key => $value ) {
			if ( ! $callback( $value, $key ) ) {
				return false;
			}
		}

return true;
	}
}

if ( ! function_exists( 'array_first' ) ) {
	/**
	 * Polyfill for `array_first()` function added in PHP 8.5.
	 *
	 * Returns the first element of an array.
	 *
	 * @since 6.9.0
	 *
	 * @param array $array The array to get the first element from.
	 * @return mixed|null The first element of the array, or null if the array is empty.
	 */
	function array_first( array $array ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		if ( empty( $array ) ) {
			return null;
		}

foreach ( $array as $value ) {
			return $value;
		}
	}
}

if ( ! function_exists( 'array_last' ) ) {
	/**
	 * Polyfill for `array_last()` function added in PHP 8.5.
	 *
	 * Returns the last element of an array.
	 *
	 * @since 6.9.0
	 *
	 * @param array $array The array to get the last element from.
	 * @return mixed|null The last element of the array, or null if the array is empty.
	 */
	function array_last( array $array ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound
		if ( empty( $array ) ) {
			return null;
		}

return $array[ array_key_last( $array ) ];
	}
}

if ( ! function_exists( 'clamp' ) ) {
	/**
	 * Polyfill for `clamp()` function added in PHP 8.6.
	 *
	 * Clamps a value to be within the range of a given minimum and maximum.
	 *
	 * If the value is within the bounds, the original value is returned.
	 * If it is not within the bounds, the closest bound is returned.
	 *
	 * @since 7.1.0
	 *
	 * @param mixed $value The value to clamp.
	 * @param mixed $min   The minimum bound. Must be less than or equal to `$max`.
	 * @param mixed $max   The maximum bound. Must be greater than or equal to `$min`.
	 * @return mixed The clamped value. Either `$value`, `$min`, or `$max`.
	 *
	 * @throws ValueError               If `$min` is greater than `$max`, or if `$min` or `$max` is NAN, and the ValueError class exists (PHP 8.0+ or polyfilled).
	 * @throws InvalidArgumentException If `$min` is greater than `$max`, or if `$min` or `$max` is NAN, and the ValueError class does not exist (PHP 7.x).
	 *
	 * @phpstan-template TValue
	 * @phpstan-template TMin
	 * @phpstan-template TMax
	 * @phpstan-param TValue $value
	 * @phpstan-param TMin   $min
	 * @phpstan-param TMax   $max
	 * @phpstan-return TValue|TMin|TMax
	 */
	function clamp( $value, $min, $max ) {
		$throw_value_error = static function ( string $message ) {
			// The ValueError class was introduced in PHP 8, so in 7.4 throw InvalidArgumentException instead.
			if ( ! class_exists( 'ValueError', false ) ) {
				throw new InvalidArgumentException( $message );
			}
			throw new ValueError( $message );
		};

if ( is_float( $min ) && is_nan( $min ) ) {
			$throw_value_error( 'clamp(): Argument #2 ($min) must not be NAN' );
		}

if ( is_float( $max ) && is_nan( $max ) ) {
			$throw_value_error( 'clamp(): Argument #3 ($max) must not be NAN' );
		}

if ( $max < $min ) {
			$throw_value_error( 'clamp(): Argument #2 ($min) must be smaller than or equal to argument #3 ($max)' );
		}

/*
		 * The upper bound is checked before the lower bound to match the order in PHP's
		 * implementation. Comparison in PHP is not transitive when operands of different
		 * types are mixed (for example, comparing against a bool coerces both operands to
		 * bool), so both bounds can compare as exceeded at once, and the first check wins.
		 */
		if ( $value > $max ) {
			return $max;
		}

if ( $value < $min ) {
			return $min;
		}

return $value;
	}
}

// IMAGETYPE_AVIF constant is only defined in PHP 8.x or later.
if ( ! defined( 'IMAGETYPE_AVIF' ) ) {
	define( 'IMAGETYPE_AVIF', 19 );
}

// IMG_AVIF constant is only defined in PHP 8.x or later.
if ( ! defined( 'IMG_AVIF' ) ) {
	define( 'IMG_AVIF', IMAGETYPE_AVIF );
}

// IMAGETYPE_HEIF constant is only defined in PHP 8.5 or later.
if ( ! defined( 'IMAGETYPE_HEIF' ) ) {
	define( 'IMAGETYPE_HEIF', 20 );
}

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