Gecko [ ifk.uw.edu.pl ]

Name	Size	Permission
ID3	[ DIR ]	drwxr-xr-x
IXR	[ DIR ]	drwxr-xr-x
Requests	[ DIR ]	drwxr-xr-x
SimplePie	[ DIR ]	drwxr-xr-x
Text	[ DIR ]	drwxr-xr-x
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
fonts	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
random_compat	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
admin-bar.php	27.98 KB	-rw-r--r--
atomlib.php	11.56 KB	-rw-r--r--
author-template.php	15.75 KB	-rw-r--r--
bookmark-template.php	11.42 KB	-rw-r--r--
bookmark.php	13.35 KB	-rw-r--r--
cache.php	21.09 KB	-rw-r--r--
canonical.php	26.94 KB	-rw-r--r--
capabilities.php	27.55 KB	-rw-r--r--
category-template.php	50.12 KB	-rw-r--r--
category.php	11.7 KB	-rw-r--r--
class-IXR.php	2.51 KB	-rw-r--r--
class-feed.php	522 B	-rw-r--r--
class-http.php	35.32 KB	-rw-r--r--
class-json.php	39.52 KB	-rw-r--r--
class-oembed.php	32.34 KB	-rw-r--r--
class-phpass.php	7.15 KB	-rw-r--r--
class-phpmailer.php	143.34 KB	-rw-r--r--
class-pop3.php	20.43 KB	-rw-r--r--
class-requests.php	29.09 KB	-rw-r--r--
class-simplepie.php	87.17 KB	-rw-r--r--
class-smtp.php	38.55 KB	-rw-r--r--
class-snoopy.php	36.9 KB	-rw-r--r--
class-walker-category-dropdown...	2.05 KB	-rw-r--r--
class-walker-category.php	6.49 KB	-rw-r--r--
class-walker-comment.php	10.91 KB	-rw-r--r--
class-walker-nav-menu.php	8.2 KB	-rw-r--r--
class-walker-page-dropdown.php	2.23 KB	-rw-r--r--
class-walker-page.php	6.56 KB	-rw-r--r--
class-wp-admin-bar.php	16.57 KB	-rw-r--r--
class-wp-ajax-response.php	4.91 KB	-rw-r--r--
class-wp-comment-query.php	40.76 KB	-rw-r--r--
class-wp-comment.php	8.73 KB	-rw-r--r--
class-wp-customize-control.php	24.4 KB	-rw-r--r--
class-wp-customize-manager.php	192.6 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	52.31 KB	-rw-r--r--
class-wp-customize-panel.php	9.35 KB	-rw-r--r--
class-wp-customize-section.php	9.96 KB	-rw-r--r--
class-wp-customize-setting.php	27.47 KB	-rw-r--r--
class-wp-customize-widgets.php	64.2 KB	-rw-r--r--
class-wp-dependency.php	1.51 KB	-rw-r--r--
class-wp-editor.php	59.28 KB	-rw-r--r--
class-wp-embed.php	14.17 KB	-rw-r--r--
class-wp-error.php	4.48 KB	-rw-r--r--
class-wp-feed-cache-transient....	2.48 KB	-rw-r--r--
class-wp-feed-cache.php	745 B	-rw-r--r--
class-wp-hook.php	13.72 KB	-rw-r--r--
class-wp-http-cookie.php	6.3 KB	-rw-r--r--
class-wp-http-curl.php	11.41 KB	-rw-r--r--
class-wp-http-encoding.php	6.29 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.17 KB	-rw-r--r--
class-wp-http-proxy.php	5.82 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.83 KB	-rw-r--r--
class-wp-http-requests-respons...	4.17 KB	-rw-r--r--
class-wp-http-response.php	2.8 KB	-rw-r--r--
class-wp-http-streams.php	14.64 KB	-rw-r--r--
class-wp-image-editor-gd.php	12.62 KB	-rw-r--r--
class-wp-image-editor-imagick....	21.17 KB	-rw-r--r--
class-wp-image-editor.php	11.43 KB	-rw-r--r--
class-wp-list-util.php	6.22 KB	-rw-r--r--
class-wp-locale-switcher.php	4.94 KB	-rw-r--r--
class-wp-locale.php	14.21 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.75 KB	-rw-r--r--
class-wp-meta-query.php	21.73 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	5.25 KB	-rw-r--r--
class-wp-network-query.php	16.72 KB	-rw-r--r--
class-wp-network.php	11.84 KB	-rw-r--r--
class-wp-oembed-controller.php	5.46 KB	-rw-r--r--
class-wp-post-type.php	17.81 KB	-rw-r--r--
class-wp-post.php	6.21 KB	-rw-r--r--
class-wp-query.php	121.06 KB	-rw-r--r--
class-wp-rewrite.php	57.53 KB	-rw-r--r--
class-wp-role.php	2.55 KB	-rw-r--r--
class-wp-roles.php	8 KB	-rw-r--r--
class-wp-session-tokens.php	7.17 KB	-rw-r--r--
class-wp-simplepie-file.php	2.22 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.73 KB	-rw-r--r--
class-wp-site-query.php	22.64 KB	-rw-r--r--
class-wp-site.php	7.15 KB	-rw-r--r--
class-wp-tax-query.php	18.75 KB	-rw-r--r--
class-wp-taxonomy.php	9.76 KB	-rw-r--r--
class-wp-term-query.php	33.36 KB	-rw-r--r--
class-wp-term.php	5.15 KB	-rw-r--r--
class-wp-text-diff-renderer-in...	712 B	-rw-r--r--
class-wp-text-diff-renderer-ta...	14.84 KB	-rw-r--r--
class-wp-theme.php	46.76 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.85 KB	-rw-r--r--
class-wp-user-query.php	28.83 KB	-rw-r--r--
class-wp-user.php	20.19 KB	-rw-r--r--
class-wp-walker.php	12.09 KB	-rw-r--r--
class-wp-widget-factory.php	3.66 KB	-rw-r--r--
class-wp-widget.php	17.24 KB	-rw-r--r--
class-wp-xmlrpc-server.php	196.66 KB	-rw-r--r--
class-wp.php	23.2 KB	-rw-r--r--
class-wpglobus-plus-acf.php	1.57 KB	-rw-r--r--
class-wpglobus-plus-menu.php	2.48 KB	-rw-r--r--
class-wpglobus-plus-publish.ph...	15.03 KB	-rw-r--r--
class-wpglobus-plus-slug-acf.p...	1.14 KB	-rw-r--r--
class-wpglobus-plus-slug.php	22.27 KB	-rw-r--r--
class-wpglobus-plus-tablepress...	2.97 KB	-rw-r--r--
class-wpglobus-plus-wpglobedit...	7.36 KB	-rw-r--r--
class-wpglobus-plus-wpseo23.ph...	17.62 KB	-rw-r--r--
class-wpglobus-plus-yoastseo30...	1.25 KB	-rw-r--r--
class.wp-dependencies.php	10.92 KB	-rw-r--r--
class.wp-scripts.php	13.83 KB	-rw-r--r--
class.wp-styles.php	9.56 KB	-rw-r--r--
comment-template.php	86.15 KB	-rw-r--r--
comment.php	108.76 KB	-rw-r--r--
compat.php	15.85 KB	-rw-r--r--
cron.php	16.08 KB	-rw-r--r--
date.php	34.18 KB	-rw-r--r--
default-constants.php	9.34 KB	-rw-r--r--
default-filters.php	26.61 KB	-rw-r--r--
default-widgets.php	2.13 KB	-rw-r--r--
deprecated.php	110.57 KB	-rw-r--r--
embed-template.php	344 B	-rw-r--r--
embed.php	43.31 KB	-rw-r--r--
feed-atom-comments.php	5.23 KB	-rw-r--r--
feed-atom.php	3.02 KB	-rw-r--r--
feed-rdf.php	2.61 KB	-rw-r--r--
feed-rss.php	1.22 KB	-rw-r--r--
feed-rss2-comments.php	3.97 KB	-rw-r--r--
feed-rss2.php	3.68 KB	-rw-r--r--
feed.php	19.09 KB	-rw-r--r--
formatting.php	264.84 KB	-rw-r--r--
functions.php	183.38 KB	-rw-r--r--
functions.wp-scripts.php	11.21 KB	-rw-r--r--
functions.wp-styles.php	7.89 KB	-rw-r--r--
general-template.php	135.77 KB	-rw-r--r--
http.php	21.65 KB	-rw-r--r--
kses.php	48.93 KB	-rw-r--r--
l10n.php	42.46 KB	-rw-r--r--
link-template.php	133.25 KB	-rw-r--r--
load.php	33.11 KB	-rw-r--r--
locale.php	141 B	-rw-r--r--
media-template.php	45.03 KB	-rw-r--r--
media.php	137.07 KB	-rw-r--r--
meta.php	41.76 KB	-rw-r--r--
ms-blogs.php	38.26 KB	-rw-r--r--
ms-default-constants.php	4.6 KB	-rw-r--r--
ms-default-filters.php	4.54 KB	-rw-r--r--
ms-deprecated.php	15.32 KB	-rw-r--r--
ms-files.php	2.56 KB	-rw-r--r--
ms-functions.php	89 KB	-rw-r--r--
ms-load.php	18.8 KB	-rw-r--r--
ms-settings.php	3.99 KB	-rw-r--r--
nav-menu-template.php	20.38 KB	-rw-r--r--
nav-menu.php	38.6 KB	-rw-r--r--
option.php	66.16 KB	-rw-r--r--
pluggable-deprecated.php	6.12 KB	-rw-r--r--
pluggable.php	89.97 KB	-rw-r--r--
plugin.php	30.93 KB	-rw-r--r--
post-formats.php	6.81 KB	-rw-r--r--
post-template.php	57.35 KB	-rw-r--r--
post-thumbnail-template.php	8.02 KB	-rw-r--r--
post.php	214.7 KB	-rw-r--r--
query.php	25.02 KB	-rw-r--r--
registration-functions.php	178 B	-rw-r--r--
registration.php	178 B	-rw-r--r--
rest-api.php	37.63 KB	-rw-r--r--
revision.php	20.81 KB	-rw-r--r--
rewrite.php	17.09 KB	-rw-r--r--
rss-functions.php	191 B	-rw-r--r--
rss.php	22.66 KB	-rw-r--r--
script-loader.php	78.28 KB	-rw-r--r--
session.php	242 B	-rw-r--r--
shortcodes.php	19.96 KB	-rw-r--r--
spl-autoload-compat.php	2.51 KB	-rw-r--r--
taxonomy.php	147.09 KB	-rw-r--r--
template-loader.php	2.83 KB	-rw-r--r--
template.php	19.33 KB	-rw-r--r--
theme.php	97.44 KB	-rw-r--r--
update.php	24.11 KB	-rw-r--r--
user.php	118.2 KB	-rw-r--r--
vars.php	5.45 KB	-rw-r--r--
version.php	649 B	-rw-r--r--
widgets.php	54.14 KB	-rw-r--r--
wlwmanifest.xml	1.02 KB	-rw-r--r--
wp-db.php	97.14 KB	-rw-r--r--
wp-diff.php	661 B	-rw-r--r--
wpglobus-plus-acf.php	296 B	-rw-r--r--
wpglobus-plus-main.php	10.57 KB	-rw-r--r--
wpglobus-plus-menu.php	205 B	-rw-r--r--
wpglobus-plus-publish.php	217 B	-rw-r--r--
wpglobus-plus-slug.php	360 B	-rw-r--r--
wpglobus-plus-tablepress-funct...	1.14 KB	-rw-r--r--
wpglobus-plus-tablepress.php	226 B	-rw-r--r--
wpglobus-plus-wpglobeditor.php	2.29 KB	-rw-r--r--
wpglobus-plus-wpseo.php	884 B	-rw-r--r--

Code Editor : compat.php

<?php
/**
 * WordPress implementation for PHP functions either missing from older PHP versions or not included by default.
 *
 * @package PHP
 * @access private
 */

// If gettext isn't available
if ( !function_exists('_') ) {
	function _($string) {
		return $string;
	}
}

/**
 * Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use.
 *
 * @ignore
 * @since 4.2.2
 * @access private
 *
 * @staticvar string $utf8_pcre
 *
 * @param bool $set - Used for testing only
 *             null   : default - get PCRE/u capability
 *             false  : Used for testing - return false for future calls to this function
 *             'reset': Used for testing - restore default behavior of this function
 */
function _wp_can_use_pcre_u( $set = null ) {
	static $utf8_pcre = 'reset';

if ( null !== $set ) {
		$utf8_pcre = $set;
	}

if ( 'reset' === $utf8_pcre ) {
		$utf8_pcre = @preg_match( '/^./u', 'a' );
	}

return $utf8_pcre;
}

if ( ! function_exists( 'mb_substr' ) ) :
	/**
	 * Compat function to mimic mb_substr().
	 *
	 * @ignore
	 * @since 3.2.0
	 *
	 * @see _mb_substr()
	 *
	 * @param string      $str      The string to extract the substring from.
	 * @param int         $start    Position to being extraction from in `$str`.
	 * @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 ) {
		return _mb_substr( $str, $start, $length, $encoding );
	}
endif;

/**
 * Internal compat function to mimic mb_substr().
 *
 * Only understands UTF-8 and 8bit.  All other character sets will be treated as 8bit.
 * For $encoding === UTF-8, the $str input is expected to be a valid UTF-8 byte sequence.
 * The behavior of this function for invalid inputs is undefined.
 *
 * @ignore
 * @since 3.2.0
 *
 * @param string      $str      The string to extract the substring from.
 * @param int         $start    Position to being extraction from in `$str`.
 * @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 === $encoding ) {
		$encoding = get_option( 'blog_charset' );
	}

/*
	 * The solution below works only for UTF-8, so in case of a different
	 * charset just use built-in substr().
	 */
	if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
		return is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length );
	}

if ( _wp_can_use_pcre_u() ) {
		// Use the regex unicode support to separate the UTF-8 characters into an array.
		preg_match_all( '/./us', $str, $match );
		$chars = is_null( $length ) ? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length );
		return implode( '', $chars );
	}

$regex = '/(
		  [\x00-\x7F]                  # single-byte sequences   0xxxxxxx
		| [\xC2-\xDF][\x80-\xBF]       # double-byte sequences   110xxxxx 10xxxxxx
		| \xE0[\xA0-\xBF][\x80-\xBF]   # triple-byte sequences   1110xxxx 10xxxxxx * 2
		| [\xE1-\xEC][\x80-\xBF]{2}
		| \xED[\x80-\x9F][\x80-\xBF]
		| [\xEE-\xEF][\x80-\xBF]{2}
		| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
		| [\xF1-\xF3][\x80-\xBF]{3}
		| \xF4[\x80-\x8F][\x80-\xBF]{2}
	)/x';

// Start with 1 element instead of 0 since the first thing we do is pop.
	$chars = array( '' );
	do {
		// We had some string left over from the last round, but we counted it in that last round.
		array_pop( $chars );

/*
		 * Split by UTF-8 character, limit to 1000 characters (last array element will contain
		 * the rest of the string).
		 */
		$pieces = preg_split( $regex, $str, 1000, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );

$chars = array_merge( $chars, $pieces );

// If there's anything left over, repeat the loop.
	} while ( count( $pieces ) > 1 && $str = array_pop( $pieces ) );

return join( '', array_slice( $chars, $start, $length ) );
}

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

/**
 * Internal compat function to mimic mb_strlen().
 *
 * Only understands UTF-8 and 8bit.  All other character sets will be treated as 8bit.
 * For $encoding === UTF-8, the `$str` input is expected to be a valid UTF-8 byte
 * sequence. The behavior of this function for invalid inputs is undefined.
 *
 * @ignore
 * @since 4.2.0
 *
 * @param string      $str      The string to retrieve the character length from.
 * @param string|null $encoding Optional. Character encoding to use. Default null.
 * @return int String length of `$str`.
 */
function _mb_strlen( $str, $encoding = null ) {
	if ( null === $encoding ) {
		$encoding = get_option( 'blog_charset' );
	}

/*
	 * The solution below works only for UTF-8, so in case of a different charset
	 * just use built-in strlen().
	 */
	if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
		return strlen( $str );
	}

if ( _wp_can_use_pcre_u() ) {
		// Use the regex unicode support to separate the UTF-8 characters into an array.
		preg_match_all( '/./us', $str, $match );
		return count( $match[0] );
	}

$regex = '/(?:
		  [\x00-\x7F]                  # single-byte sequences   0xxxxxxx
		| [\xC2-\xDF][\x80-\xBF]       # double-byte sequences   110xxxxx 10xxxxxx
		| \xE0[\xA0-\xBF][\x80-\xBF]   # triple-byte sequences   1110xxxx 10xxxxxx * 2
		| [\xE1-\xEC][\x80-\xBF]{2}
		| \xED[\x80-\x9F][\x80-\xBF]
		| [\xEE-\xEF][\x80-\xBF]{2}
		| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
		| [\xF1-\xF3][\x80-\xBF]{3}
		| \xF4[\x80-\x8F][\x80-\xBF]{2}
	)/x';

// Start at 1 instead of 0 since the first thing we do is decrement.
	$count = 1;
	do {
		// We had some string left over from the last round, but we counted it in that last round.
		$count--;

/*
		 * Split by UTF-8 character, limit to 1000 characters (last array element will contain
		 * the rest of the string).
		 */
		$pieces = preg_split( $regex, $str, 1000 );

// Increment.
		$count += count( $pieces );

// If there's anything left over, repeat the loop.
	} while ( $str = array_pop( $pieces ) );

// Fencepost: preg_split() always returns one extra item in the array.
	return --$count;
}

if ( !function_exists('hash_hmac') ):
/**
 * Compat function to mimic hash_hmac().
 *
 * @ignore
 * @since 3.2.0
 *
 * @see _hash_hmac()
 *
 * @param string $algo       Hash algorithm. Accepts 'md5' or 'sha1'.
 * @param string $data       Data to be hashed.
 * @param string $key        Secret key to use for generating the hash.
 * @param bool   $raw_output Optional. Whether to output raw binary data (true),
 *                           or lowercase hexits (false). Default false.
 * @return string|false The hash in output determined by `$raw_output`. False if `$algo`
 *                      is unknown or invalid.
 */
function hash_hmac($algo, $data, $key, $raw_output = false) {
	return _hash_hmac($algo, $data, $key, $raw_output);
}
endif;

/**
 * Internal compat function to mimic hash_hmac().
 *
 * @ignore
 * @since 3.2.0
 *
 * @param string $algo       Hash algorithm. Accepts 'md5' or 'sha1'.
 * @param string $data       Data to be hashed.
 * @param string $key        Secret key to use for generating the hash.
 * @param bool   $raw_output Optional. Whether to output raw binary data (true),
 *                           or lowercase hexits (false). Default false.
 * @return string|false The hash in output determined by `$raw_output`. False if `$algo`
 *                      is unknown or invalid.
 */
function _hash_hmac($algo, $data, $key, $raw_output = false) {
	$packs = array('md5' => 'H32', 'sha1' => 'H40');

if ( !isset($packs[$algo]) )
		return false;

$pack = $packs[$algo];

if (strlen($key) > 64)
		$key = pack($pack, $algo($key));

$key = str_pad($key, 64, chr(0));

$ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64));
	$opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64));

$hmac = $algo($opad . pack($pack, $algo($ipad . $data)));

if ( $raw_output )
		return pack( $pack, $hmac );
	return $hmac;
}

if ( !function_exists('json_encode') ) {
	function json_encode( $string ) {
		global $wp_json;

if ( ! ( $wp_json instanceof Services_JSON ) ) {
			require_once( ABSPATH . WPINC . '/class-json.php' );
			$wp_json = new Services_JSON();
		}

return $wp_json->encodeUnsafe( $string );
	}
}

if ( !function_exists('json_decode') ) {
	/**
	 * @global Services_JSON $wp_json
	 * @param string $string
	 * @param bool   $assoc_array
	 * @return object|array
	 */
	function json_decode( $string, $assoc_array = false ) {
		global $wp_json;

if ( ! ($wp_json instanceof Services_JSON ) ) {
			require_once( ABSPATH . WPINC . '/class-json.php' );
			$wp_json = new Services_JSON();
		}

$res = $wp_json->decode( $string );
		if ( $assoc_array )
			$res = _json_decode_object_helper( $res );
		return $res;
	}

/**
	 * @param object $data
	 * @return array
	 */
	function _json_decode_object_helper($data) {
		if ( is_object($data) )
			$data = get_object_vars($data);
		return is_array($data) ? array_map(__FUNCTION__, $data) : $data;
	}
}

if ( ! function_exists( 'hash_equals' ) ) :
/**
 * Timing attack safe string comparison
 *
 * Compares two strings using the same time whether they're equal or not.
 *
 * This function was added in PHP 5.6.
 *
 * Note: It can leak the length of a string when arguments of differing length are supplied.
 *
 * @since 3.9.2
 *
 * @param string $a Expected string.
 * @param string $b Actual, user supplied, string.
 * @return bool Whether strings are equal.
 */
function hash_equals( $a, $b ) {
	$a_length = strlen( $a );
	if ( $a_length !== strlen( $b ) ) {
		return false;
	}
	$result = 0;

// Do not attempt to "optimize" this.
	for ( $i = 0; $i < $a_length; $i++ ) {
		$result |= ord( $a[ $i ] ) ^ ord( $b[ $i ] );
	}

return $result === 0;
}
endif;

// JSON_PRETTY_PRINT was introduced in PHP 5.4
// Defined here to prevent a notice when using it with wp_json_encode()
if ( ! defined( 'JSON_PRETTY_PRINT' ) ) {
	define( 'JSON_PRETTY_PRINT', 128 );
}

if ( ! function_exists( 'json_last_error_msg' ) ) :
	/**
	 * Retrieves the error string of the last json_encode() or json_decode() call.
	 *
	 * @since 4.4.0
	 *
	 * @internal This is a compatibility function for PHP <5.5
	 *
	 * @return bool|string Returns the error message on success, "No Error" if no error has occurred,
	 *                     or false on failure.
	 */
	function json_last_error_msg() {
		// See https://core.trac.wordpress.org/ticket/27799.
		if ( ! function_exists( 'json_last_error' ) ) {
			return false;
		}

$last_error_code = json_last_error();

// Just in case JSON_ERROR_NONE is not defined.
		$error_code_none = defined( 'JSON_ERROR_NONE' ) ? JSON_ERROR_NONE : 0;

switch ( true ) {
			case $last_error_code === $error_code_none:
				return 'No error';

case defined( 'JSON_ERROR_DEPTH' ) && JSON_ERROR_DEPTH === $last_error_code:
				return 'Maximum stack depth exceeded';

case defined( 'JSON_ERROR_STATE_MISMATCH' ) && JSON_ERROR_STATE_MISMATCH === $last_error_code:
				return 'State mismatch (invalid or malformed JSON)';

case defined( 'JSON_ERROR_CTRL_CHAR' ) && JSON_ERROR_CTRL_CHAR === $last_error_code:
				return 'Control character error, possibly incorrectly encoded';

case defined( 'JSON_ERROR_SYNTAX' ) && JSON_ERROR_SYNTAX === $last_error_code:
				return 'Syntax error';

case defined( 'JSON_ERROR_UTF8' ) && JSON_ERROR_UTF8 === $last_error_code:
				return 'Malformed UTF-8 characters, possibly incorrectly encoded';

case defined( 'JSON_ERROR_RECURSION' ) && JSON_ERROR_RECURSION === $last_error_code:
				return 'Recursion detected';

case defined( 'JSON_ERROR_INF_OR_NAN' ) && JSON_ERROR_INF_OR_NAN === $last_error_code:
				return 'Inf and NaN cannot be JSON encoded';

case defined( 'JSON_ERROR_UNSUPPORTED_TYPE' ) && JSON_ERROR_UNSUPPORTED_TYPE === $last_error_code:
				return 'Type is not supported';

default:
				return 'An unknown error occurred';
		}
	}
endif;

if ( ! interface_exists( 'JsonSerializable' ) ) {
	define( 'WP_JSON_SERIALIZE_COMPATIBLE', true );
	/**
	 * JsonSerializable interface.
	 *
	 * Compatibility shim for PHP <5.4
	 *
	 * @link https://secure.php.net/jsonserializable
	 *
	 * @since 4.4.0
	 */
	interface JsonSerializable {
		public function jsonSerialize();
	}
}

// random_int was introduced in PHP 7.0
if ( ! function_exists( 'random_int' ) ) {
	require ABSPATH . WPINC . '/random_compat/random.php';
}

if ( ! function_exists( 'array_replace_recursive' ) ) :
	/**
	 * PHP-agnostic version of {@link array_replace_recursive()}.
	 *
	 * The array_replace_recursive() function is a PHP 5.3 function. WordPress
	 * currently supports down to PHP 5.2, so this method is a workaround
	 * for PHP 5.2.
	 *
	 * Note: array_replace_recursive() supports infinite arguments, but for our use-
	 * case, we only need to support two arguments.
	 *
	 * Subject to removal once WordPress makes PHP 5.3.0 the minimum requirement.
	 *
	 * @since 4.5.3
	 *
	 * @see https://secure.php.net/manual/en/function.array-replace-recursive.php#109390
	 *
	 * @param  array $base         Array with keys needing to be replaced.
	 * @param  array $replacements Array with the replaced keys.
	 *
	 * @return array
	 */
	function array_replace_recursive( $base = array(), $replacements = array() ) {
		foreach ( array_slice( func_get_args(), 1 ) as $replacements ) {
			$bref_stack = array( &$base );
			$head_stack = array( $replacements );

do {
				end( $bref_stack );

$bref = &$bref_stack[ key( $bref_stack ) ];
				$head = array_pop( $head_stack );

unset( $bref_stack[ key( $bref_stack ) ] );

foreach ( array_keys( $head ) as $key ) {
					if ( isset( $key, $bref ) &&
					     isset( $bref[ $key ] ) && is_array( $bref[ $key ] ) &&
					     isset( $head[ $key ] ) && is_array( $head[ $key ] )
					) {
						$bref_stack[] = &$bref[ $key ];
						$head_stack[] = $head[ $key ];
					} else {
						$bref[ $key ] = $head[ $key ];
					}
				}
			} while ( count( $head_stack ) );
		}

return $base;
	}
endif;

/**
 * Polyfill for the SPL autoloader. In PHP 5.2 (but not 5.3 and later), SPL can
 * be disabled, and PHP 7.2 raises notices if the compiler finds an __autoload()
 * function declaration. Function availability is checked here, and the
 * autoloader is included only if necessary.
 */
if ( ! function_exists( 'spl_autoload_register' ) ) {
	require_once ABSPATH . WPINC . '/spl-autoload-compat.php';
}

if ( ! function_exists( 'is_countable' ) ) {
	/**
	 * Polyfill for is_countable() function added in PHP 7.3.
	 *
	 * Verify that the content of a variable is an array or an object
	 * implementing the Countable interface.
	 *
	 * @since 4.9.6
	 *
	 * @param mixed $var The value to check.
	 *
	 * @return bool True if `$var` is countable, false otherwise.
	 */
	function is_countable( $var ) {
		return ( is_array( $var )
			|| $var instanceof Countable
			|| $var instanceof SimpleXMLElement
			|| $var instanceof ResourceBundle
		);
	}
}

if ( ! function_exists( 'is_iterable' ) ) {
	/**
	 * Polyfill for is_iterable() function added in PHP 7.1.
	 *
	 * Verify that the content of a variable is an array or an object
	 * implementing the Traversable interface.
	 *
	 * @since 4.9.6
	 *
	 * @param mixed $var The value to check.
	 *
	 * @return bool True if `$var` is iterable, false otherwise.
	 */
	function is_iterable( $var ) {
		return ( is_array( $var ) || $var instanceof Traversable );
	}
}

${this.title}

Code Editor : compat.php