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<?php /** * WPSEO plugin file. * * @package WPSEO\Internals * @since 1.8.0 / use Yoast\WP\SEO\Integrations\Feature_Flag_Integration; /* * Group of utility methods for use by WPSEO. * All methods are static, this is just a sort of namespacing class wrapper. / class WPSEO_Utils { /* * Whether the PHP filter extension is enabled. * * @since 1.8.0 * * @var bool / public static $has_filters; /* * Check whether file editing is allowed for the .htaccess and robots.txt files. * * {@internal current_user_can() checks internally whether a user is on wp-ms and adjusts accordingly.}} * * @since 1.8.0 * * @return bool / public static function allow_system_file_edit() { $allowed = true; if ( current_user_can( 'edit_files' ) === false ) { $allowed = false; } /* * Filter: 'wpseo_allow_system_file_edit' - Allow developers to change whether the editing of * .htaccess and robots.txt is allowed. * * @param bool $allowed Whether file editing is allowed. / return apply_filters( 'wpseo_allow_system_file_edit', $allowed ); } /* * Check if the web server is running on Apache or compatible (LiteSpeed). * * @since 1.8.0 * * @return bool / public static function is_apache() { if ( ! isset( $_SERVER['SERVER_SOFTWARE'] ) ) { return false; } $software = sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ); return stripos( $software, 'apache' ) !== false \|\| stripos( $software, 'litespeed' ) !== false; } /* * Check if the web server is running on Nginx. * * @since 1.8.0 * * @return bool / public static function is_nginx() { if ( ! isset( $_SERVER['SERVER_SOFTWARE'] ) ) { return false; } $software = sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ); return stripos( $software, 'nginx' ) !== false; } /* * Check whether a url is relative. * * @since 1.8.0 * * @param string $url URL string to check. * * @return bool / public static function is_url_relative( $url ) { return YoastSEO()->helpers->url->is_relative( $url ); } /* * Recursively trim whitespace round a string value or of string values within an array. * Only trims strings to avoid typecasting a variable (to string). * * @since 1.8.0 * * @param mixed $value Value to trim or array of values to trim. * * @return mixed Trimmed value or array of trimmed values. / public static function trim_recursive( $value ) { if ( is_string( $value ) ) { $value = trim( $value ); } elseif ( is_array( $value ) ) { $value = array_map( [ self::class, 'trim_recursive' ], $value ); } return $value; } /* * Emulate the WP native sanitize_text_field function in a %%variable%% safe way. * * Sanitize a string from user input or from the db. * * - Check for invalid UTF-8; * - Convert single < characters to entity; * - Strip all tags; * - Remove line breaks, tabs and extra white space; * - Strip octets - BUT DO NOT REMOVE (part of) VARIABLES WHICH WILL BE REPLACED. * * @link https://core.trac.wordpress.org/browser/trunk/src/wp-includes/formatting.php for the original. * * @since 1.8.0 * * @param string $value String value to sanitize. * * @return string / public static function sanitize_text_field( $value ) { $filtered = wp_check_invalid_utf8( $value ); if ( strpos( $filtered, '<' ) !== false ) { $filtered = wp_pre_kses_less_than( $filtered ); // This will strip extra whitespace for us. $filtered = wp_strip_all_tags( $filtered, true ); } else { $filtered = trim( preg_replace( '`[\r\n\t ]+`', ' ', $filtered ) ); } $found = false; while ( preg_match( '`[^%](%[a-f0-9]{2})`i', $filtered, $match ) ) { $filtered = str_replace( $match[1], '', $filtered ); $found = true; } unset( $match ); if ( $found ) { // Strip out the whitespace that may now exist after removing the octets. $filtered = trim( preg_replace( '` +`', ' ', $filtered ) ); } /* * Filter a sanitized text field string. * * @since WP 2.9.0 * * @param string $filtered The sanitized string. * @param string $str The string prior to being sanitized. / return apply_filters( 'sanitize_text_field', $filtered, $value ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals -- Using WP native filter. } /* * Sanitize a url for saving to the database. * Not to be confused with the old native WP function. * * @since 1.8.0 * * @param string $value String URL value to sanitize. * @param array $allowed_protocols Optional set of allowed protocols. * * @return string / public static function sanitize_url( $value, $allowed_protocols = [ 'http', 'https' ] ) { $url = ''; $parts = wp_parse_url( $value ); if ( isset( $parts['scheme'], $parts['host'] ) ) { $url = $parts['scheme'] . '://'; if ( isset( $parts['user'] ) ) { $url .= rawurlencode( $parts['user'] ); $url .= isset( $parts['pass'] ) ? ':' . rawurlencode( $parts['pass'] ) : ''; $url .= '@'; } $parts['host'] = preg_replace( '`[^a-z0-9-.:\[\]\\x80-\\xff]`', '', strtolower( $parts['host'] ), ); $url .= $parts['host'] . ( isset( $parts['port'] ) ? ':' . (int) $parts['port'] : '' ); } if ( isset( $parts['path'] ) && strpos( $parts['path'], '/' ) === 0 ) { $path = explode( '/', wp_strip_all_tags( $parts['path'] ) ); $path = self::sanitize_encoded_text_field( $path ); $url .= str_replace( '%40', '@', implode( '/', $path ) ); } if ( ! $url ) { return ''; } if ( isset( $parts['query'] ) ) { wp_parse_str( $parts['query'], $parsed_query ); $parsed_query = array_combine( self::sanitize_encoded_text_field( array_keys( $parsed_query ) ), self::sanitize_encoded_text_field( array_values( $parsed_query ) ), ); $url = add_query_arg( $parsed_query, $url ); } if ( isset( $parts['fragment'] ) ) { $url .= '#' . self::sanitize_encoded_text_field( $parts['fragment'] ); } if ( strpos( $url, '%' ) !== false ) { $url = preg_replace_callback( '`%[a-fA-F0-9]{2}`', static function ( $octects ) { return strtolower( $octects[0] ); }, $url, ); } return esc_url_raw( $url, $allowed_protocols ); } /* * Decode, sanitize and encode the array of strings or the string. * * @since 13.3 * * @param array\|string $value The value to sanitize and encode. * * @return array\|string The sanitized value. / public static function sanitize_encoded_text_field( $value ) { if ( is_array( $value ) ) { return array_map( [ self::class, 'sanitize_encoded_text_field' ], $value ); } return rawurlencode( sanitize_text_field( rawurldecode( $value ) ) ); } /* * Validate a value as boolean. * * @since 1.8.0 * * @param mixed $value Value to validate. * * @return bool / public static function validate_bool( $value ) { if ( ! isset( self::$has_filters ) ) { self::$has_filters = extension_loaded( 'filter' ); } if ( self::$has_filters ) { return filter_var( $value, FILTER_VALIDATE_BOOLEAN ); } else { return self::emulate_filter_bool( $value ); } } /* * Cast a value to bool. * * @since 1.8.0 * * @param mixed $value Value to cast. * * @return bool / public static function emulate_filter_bool( $value ) { $true = [ '1', 'true', 'True', 'TRUE', 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', ]; $false = [ '0', 'false', 'False', 'FALSE', 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF', ]; if ( is_bool( $value ) ) { return $value; } elseif ( is_int( $value ) && ( $value === 0 \|\| $value === 1 ) ) { return (bool) $value; } elseif ( ( is_float( $value ) && ! is_nan( $value ) ) && ( $value === (float) 0 \|\| $value === (float) 1 ) ) { return (bool) $value; } elseif ( is_string( $value ) ) { $value = trim( $value ); if ( in_array( $value, $true, true ) ) { return true; } elseif ( in_array( $value, $false, true ) ) { return false; } else { return false; } } return false; } /* * Validate a value as integer. * * @since 1.8.0 * * @param mixed $value Value to validate. * * @return int\|bool Int or false in case of failure to convert to int. / public static function validate_int( $value ) { if ( ! isset( self::$has_filters ) ) { self::$has_filters = extension_loaded( 'filter' ); } if ( self::$has_filters ) { return filter_var( $value, FILTER_VALIDATE_INT ); } else { return self::emulate_filter_int( $value ); } } /* * Cast a value to integer. * * @since 1.8.0 * * @param mixed $value Value to cast. * * @return int\|bool / public static function emulate_filter_int( $value ) { if ( is_int( $value ) ) { return $value; } elseif ( is_float( $value ) ) { // phpcs:ignore Universal.Operators.StrictComparisons -- Purposeful loose comparison. if ( (int) $value == $value && ! is_nan( $value ) ) { return (int) $value; } else { return false; } } elseif ( is_string( $value ) ) { $value = trim( $value ); if ( $value === '' ) { return false; } elseif ( ctype_digit( $value ) ) { return (int) $value; } elseif ( strpos( $value, '-' ) === 0 && ctype_digit( substr( $value, 1 ) ) ) { return (int) $value; } else { return false; } } return false; } /* * Clears the WP or W3TC cache depending on which is used. * * @since 1.8.0 * * @return void / public static function clear_cache() { if ( function_exists( 'w3tc_flush_posts' ) ) { w3tc_flush_posts(); } elseif ( function_exists( 'wp_cache_clear_cache' ) ) { wp_cache_clear_cache(); } } /* * Clear rewrite rules. * * @since 1.8.0 * * @return void / public static function clear_rewrites() { update_option( 'rewrite_rules', '' ); } /* * Do simple reliable math calculations without the risk of wrong results. * * In the rare case that the bcmath extension would not be loaded, it will return the normal calculation results. * * @link http://floating-point-gui.de/ * @link http://php.net/language.types.float.php See the big red warning. * * @since 1.5.0 * @since 1.8.0 Moved from stand-alone function to this class. * * @param mixed $number1 Scalar (string/int/float/bool). * @param string $action Calculation action to execute. Valid input: * '+' or 'add' or 'addition', * '-' or 'sub' or 'subtract', * '' or 'mul' or 'multiply', '/' or 'div' or 'divide', * '%' or 'mod' or 'modulus' * '=' or 'comp' or 'compare'. * @param mixed $number2 Scalar (string/int/float/bool). * @param bool $round Whether or not to round the result. Defaults to false. * Will be disregarded for a compare operation. * @param int $decimals Decimals for rounding operation. Defaults to 0. * @param int $precision Calculation precision. Defaults to 10. * * @return mixed Calculation Result or false if either or the numbers isn't scalar or * an invalid operation was passed. * - For compare the result will always be an integer. * - For all other operations, the result will either be an integer (preferred) * or a float. / public static function calc( $number1, $action, $number2, $round = false, $decimals = 0, $precision = 10 ) { static $bc; if ( ! is_scalar( $number1 ) \|\| ! is_scalar( $number2 ) ) { return false; } if ( ! isset( $bc ) ) { $bc = extension_loaded( 'bcmath' ); } if ( $bc ) { $number1 = number_format( $number1, 10, '.', '' ); $number2 = number_format( $number2, 10, '.', '' ); } $result = null; $compare = false; switch ( $action ) { case '+': case 'add': case 'addition': $result = ( $bc ) ? bcadd( $number1, $number2, $precision ) / string / : ( $number1 + $number2 ); break; case '-': case 'sub': case 'subtract': $result = ( $bc ) ? bcsub( $number1, $number2, $precision ) / string / : ( $number1 - $number2 ); break; case '': case 'mul': case 'multiply': $result = ( $bc ) ? bcmul( $number1, $number2, $precision ) /* string / : ( $number1 $number2 ); break; case '/': case 'div': case 'divide': if ( $bc ) { $result = bcdiv( $number1, $number2, $precision ); // String, or NULL if right_operand is 0. } elseif ( $number2 != 0 ) { // phpcs:ignore Universal.Operators.StrictComparisons -- Purposeful loose comparison. $result = ( $number1 / $number2 ); } if ( ! isset( $result ) ) { $result = 0; } break; case '%': case 'mod': case 'modulus': if ( $bc ) { $result = bcmod( $number1, $number2 ); // String, or NULL if modulus is 0. } elseif ( $number2 != 0 ) { // phpcs:ignore Universal.Operators.StrictComparisons -- Purposeful loose comparison. $result = ( $number1 % $number2 ); } if ( ! isset( $result ) ) { $result = 0; } break; case '=': case 'comp': case 'compare': $compare = true; if ( $bc ) { $result = bccomp( $number1, $number2, $precision ); // Returns int 0, 1 or -1. } else { // phpcs:ignore Universal.Operators.StrictComparisons -- Purposeful loose comparison. $result = ( $number1 == $number2 ) ? 0 : ( ( $number1 > $number2 ) ? 1 : -1 ); } break; } if ( isset( $result ) ) { if ( $compare === false ) { if ( $round === true ) { $result = round( (float) $result, $decimals ); if ( $decimals === 0 ) { $result = (int) $result; } } else { // phpcs:ignore Universal.Operators.StrictComparisons -- Purposeful loose comparison. $result = ( intval( $result ) == $result ) ? (int) $result : (float) $result; } } return $result; } return false; } /** * Trim whitespace and NBSP (Non-breaking space) from string. * * @since 2.0.0 * * @param string $text String input to trim. * * @return string / public static function trim_nbsp_from_string( $text ) { $find = [ ' ', chr( 0xC2 ) . chr( 0xA0 ) ]; $text = str_replace( $find, ' ', $text ); $text = trim( $text ); return $text; } /* * Check if a string is a valid datetime. * * @since 2.0.0 * * @param string $datetime String input to check as valid input for DateTime class. * * @return bool / public static function is_valid_datetime( $datetime ) { return YoastSEO()->helpers->date->is_valid_datetime( $datetime ); } /* * Format the URL to be sure it is okay for using as a redirect url. * * This method will parse the URL and combine them in one string. * * @since 2.3.0 * * @param string $url URL string. * * @return mixed / public static function format_url( $url ) { $parsed_url = wp_parse_url( $url ); $formatted_url = ''; if ( ! empty( $parsed_url['path'] ) ) { $formatted_url = $parsed_url['path']; } // Prepend a slash if first char != slash. if ( stripos( $formatted_url, '/' ) !== 0 ) { $formatted_url = '/' . $formatted_url; } // Append 'query' string if it exists. if ( ! empty( $parsed_url['query'] ) ) { $formatted_url .= '?' . $parsed_url['query']; } return apply_filters( 'wpseo_format_admin_url', $formatted_url ); } /* * Retrieves the sitename. * * @since 3.0.0 * * @return string / public static function get_site_name() { return YoastSEO()->helpers->site->get_site_name(); } /* * Check if the current opened page is a Yoast SEO page. * * @since 3.0.0 * * @return bool / public static function is_yoast_seo_page() { return YoastSEO()->helpers->current_page->is_yoast_seo_page(); } /* * Check if the current opened page belongs to Yoast SEO Free. * * @since 3.3.0 * * @param string $current_page The current page the user is on. * * @return bool / public static function is_yoast_seo_free_page( $current_page ) { $yoast_seo_free_pages = [ 'wpseo_tools', 'wpseo_search_console', ]; return in_array( $current_page, $yoast_seo_free_pages, true ); } /* * Determine if Yoast SEO is in development mode? * * Inspired by JetPack (https://github.com/Automattic/jetpack/blob/master/class.jetpack.php#L1383-L1406). * * @since 3.0.0 * * @return bool / public static function is_development_mode() { $development_mode = false; if ( defined( 'YOAST_ENVIRONMENT' ) && YOAST_ENVIRONMENT === 'development' ) { $development_mode = true; } elseif ( defined( 'WPSEO_DEBUG' ) ) { $development_mode = WPSEO_DEBUG; } elseif ( site_url() && strpos( site_url(), '.' ) === false ) { $development_mode = true; } /* * Filter the Yoast SEO development mode. * * @since 3.0 * * @param bool $development_mode Is Yoast SEOs development mode active. / return apply_filters( 'yoast_seo_development_mode', $development_mode ); } /* * Retrieve home URL with proper trailing slash. * * @since 3.3.0 * * @param string $path Path relative to home URL. * @param string\|null $scheme Scheme to apply. * * @return string Home URL with optional path, appropriately slashed if not. / public static function home_url( $path = '', $scheme = null ) { return YoastSEO()->helpers->url->home( $path, $scheme ); } /* * Checks if the WP-REST-API is available. * * @since 3.6 * @since 3.7 Introduced the $minimum_version parameter. * * @param string $minimum_version The minimum version the API should be. * * @return bool Returns true if the API is available. / public static function is_api_available( $minimum_version = '2.0' ) { return ( defined( 'REST_API_VERSION' ) && version_compare( REST_API_VERSION, $minimum_version, '>=' ) ); } /* * Determine whether or not the metabox should be displayed for a post type. * * @param string\|null $post_type Optional. The post type to check the visibility of the metabox for. * * @return bool Whether or not the metabox should be displayed. / protected static function display_post_type_metabox( $post_type = null ) { if ( ! isset( $post_type ) ) { $post_type = get_post_type(); } if ( ! isset( $post_type ) \|\| ! WPSEO_Post_Type::is_post_type_accessible( $post_type ) ) { return false; } if ( $post_type === 'attachment' && WPSEO_Options::get( 'disable-attachment' ) ) { return false; } return apply_filters( 'wpseo_enable_editor_features_' . $post_type, WPSEO_Options::get( 'display-metabox-pt-' . $post_type ) ); } /* * Determine whether or not the metabox should be displayed for a taxonomy. * * @param string\|null $taxonomy Optional. The post type to check the visibility of the metabox for. * * @return bool Whether or not the metabox should be displayed. / protected static function display_taxonomy_metabox( $taxonomy = null ) { if ( ! isset( $taxonomy ) \|\| ! in_array( $taxonomy, get_taxonomies( [ 'public' => true ], 'names' ), true ) ) { return false; } return WPSEO_Options::get( 'display-metabox-tax-' . $taxonomy ); } /* * Determines whether the metabox is active for the given identifier and type. * * @param string $identifier The identifier to check for. * @param string $type The type to check for. * * @return bool Whether or not the metabox is active. / public static function is_metabox_active( $identifier, $type ) { if ( $type === 'post_type' ) { return self::display_post_type_metabox( $identifier ); } if ( $type === 'taxonomy' ) { return self::display_taxonomy_metabox( $identifier ); } return false; } /* * Determines whether the plugin is active for the entire network. * * @return bool Whether the plugin is network-active. / public static function is_plugin_network_active() { return YoastSEO()->helpers->url->is_plugin_network_active(); } /* * Gets the type of the current post. * * @return string The post type, or an empty string. / public static function get_post_type() { $wp_screen = get_current_screen(); if ( $wp_screen !== null && ! empty( $wp_screen->post_type ) ) { return $wp_screen->post_type; } return ''; } /* * Gets the type of the current page. * * @return string Returns 'post' if the current page is a post edit page. Taxonomy in other cases. / public static function get_page_type() { global $pagenow; if ( WPSEO_Metabox::is_post_edit( $pagenow ) ) { return 'post'; } return 'taxonomy'; } /* * Getter for the Adminl10n array. Applies the wpseo_admin_l10n filter. * * @return array The Adminl10n array. / public static function get_admin_l10n() { $post_type = self::get_post_type(); $page_type = self::get_page_type(); $label_object = false; $no_index = false; if ( $page_type === 'post' ) { $label_object = get_post_type_object( $post_type ); $no_index = WPSEO_Options::get( 'noindex-' . $post_type, false ); } else { $label_object = WPSEO_Taxonomy::get_labels(); $wp_screen = get_current_screen(); if ( $wp_screen !== null && ! empty( $wp_screen->taxonomy ) ) { $taxonomy_slug = $wp_screen->taxonomy; $no_index = WPSEO_Options::get( 'noindex-tax-' . $taxonomy_slug, false ); } } $wpseo_admin_l10n = [ 'displayAdvancedTab' => WPSEO_Capability_Utils::current_user_can( 'wpseo_edit_advanced_metadata' ) \|\| ! WPSEO_Options::get( 'disableadvanced_meta' ), 'noIndex' => (bool) $no_index, 'isPostType' => (bool) get_post_type(), 'postType' => get_post_type(), 'postTypeNamePlural' => ( $page_type === 'post' ) ? $label_object->label : $label_object->name, 'postTypeNameSingular' => ( $page_type === 'post' ) ? $label_object->labels->singular_name : $label_object->singular_name, 'isBreadcrumbsDisabled' => WPSEO_Options::get( 'breadcrumbs-enable', false ) !== true && ! current_theme_supports( 'yoast-seo-breadcrumbs' ), 'isAiFeatureActive' => (bool) WPSEO_Options::get( 'enable_ai_generator' ), ]; $additional_entries = apply_filters( 'wpseo_admin_l10n', [] ); if ( is_array( $additional_entries ) ) { $wpseo_admin_l10n = array_merge( $wpseo_admin_l10n, $additional_entries ); } return $wpseo_admin_l10n; } /* * Retrieves the analysis worker log level. Defaults to errors only. * * Uses bool YOAST_SEO_DEBUG as flag to enable logging. Off equals ERROR. * Uses string YOAST_SEO_DEBUG_ANALYSIS_WORKER as log level for the Analysis * Worker. Defaults to INFO. * Can be: TRACE, DEBUG, INFO, WARN or ERROR. * * @return string The log level to use. / public static function get_analysis_worker_log_level() { if ( defined( 'YOAST_SEO_DEBUG' ) && YOAST_SEO_DEBUG ) { return defined( 'YOAST_SEO_DEBUG_ANALYSIS_WORKER' ) ? YOAST_SEO_DEBUG_ANALYSIS_WORKER : 'INFO'; } return 'ERROR'; } /* * Returns the unfiltered home URL. * * In case WPML is installed, returns the original home_url and not the WPML version. * In case of a multisite setup we return the network_home_url. * * @codeCoverageIgnore * * @return string The home url. / public static function get_home_url() { return YoastSEO()->helpers->url->network_safe_home_url(); } /* * Prepares data for outputting as JSON. * * @param array $data The data to format. * * @return string\|false The prepared JSON string. / public static function format_json_encode( $data ) { $flags = JSON_UNESCAPED_UNICODE; if ( self::is_development_mode() ) { $flags = ( $flags \| JSON_PRETTY_PRINT ); /* * Filter the Yoast SEO development mode. * * @param array $data Allows filtering of the JSON data for debug purposes. / $data = apply_filters( 'wpseo_debug_json_data', $data ); } // phpcs:ignore Yoast.Yoast.JsonEncodeAlternative.FoundWithAdditionalParams -- This is the definition of format_json_encode. return wp_json_encode( $data, $flags ); } /* * Extends the allowed post tags with accessibility-related attributes. * * @codeCoverageIgnore * * @param array $allowed_post_tags The allowed post tags. * * @return array The allowed tags including post tags, input tags and select tags. / public static function extend_kses_post_with_a11y( $allowed_post_tags ) { static $a11y_tags; if ( isset( $a11y_tags ) === false ) { $a11y_tags = [ 'button' => [ 'aria-expanded' => true, 'aria-controls' => true, ], 'div' => [ 'tabindex' => true, ], // Below are attributes that are needed for backwards compatibility (WP < 5.1). 'span' => [ 'aria-hidden' => true, ], 'input' => [ 'aria-describedby' => true, ], 'select' => [ 'aria-describedby' => true, ], 'textarea' => [ 'aria-describedby' => true, ], ]; // Add the global allowed attributes to each html element. $a11y_tags = array_map( '_wp_add_global_attributes', $a11y_tags ); } return array_merge_recursive( $allowed_post_tags, $a11y_tags ); } /* * Extends the allowed post tags with input, select and option tags. * * @codeCoverageIgnore * * @param array $allowed_post_tags The allowed post tags. * * @return array The allowed tags including post tags, input tags, select tags and option tags. / public static function extend_kses_post_with_forms( $allowed_post_tags ) { static $input_tags; if ( isset( $input_tags ) === false ) { $input_tags = [ 'input' => [ 'accept' => true, 'accesskey' => true, 'align' => true, 'alt' => true, 'autocomplete' => true, 'autofocus' => true, 'checked' => true, 'contenteditable' => true, 'dirname' => true, 'disabled' => true, 'draggable' => true, 'dropzone' => true, 'form' => true, 'formaction' => true, 'formenctype' => true, 'formmethod' => true, 'formnovalidate' => true, 'formtarget' => true, 'height' => true, 'hidden' => true, 'lang' => true, 'list' => true, 'max' => true, 'maxlength' => true, 'min' => true, 'multiple' => true, 'name' => true, 'pattern' => true, 'placeholder' => true, 'readonly' => true, 'required' => true, 'size' => true, 'spellcheck' => true, 'src' => true, 'step' => true, 'tabindex' => true, 'translate' => true, 'type' => true, 'value' => true, 'width' => true, / * Below are attributes that are needed for backwards compatibility (WP < 5.1). * They are used for the social media image in the metabox. * These can be removed once we move to the React versions of the social previews. / 'data-target' => true, 'data-target-id' => true, ], 'select' => [ 'accesskey' => true, 'autofocus' => true, 'contenteditable' => true, 'disabled' => true, 'draggable' => true, 'dropzone' => true, 'form' => true, 'hidden' => true, 'lang' => true, 'multiple' => true, 'name' => true, 'onblur' => true, 'onchange' => true, 'oncontextmenu' => true, 'onfocus' => true, 'oninput' => true, 'oninvalid' => true, 'onreset' => true, 'onsearch' => true, 'onselect' => true, 'onsubmit' => true, 'required' => true, 'size' => true, 'spellcheck' => true, 'tabindex' => true, 'translate' => true, ], 'option' => [ 'class' => true, 'disabled' => true, 'id' => true, 'label' => true, 'selected' => true, 'value' => true, ], ]; // Add the global allowed attributes to each html element. $input_tags = array_map( '_wp_add_global_attributes', $input_tags ); } return array_merge_recursive( $allowed_post_tags, $input_tags ); } /* * Gets an array of enabled features. * * @return string[] The array of enabled features. / public static function retrieve_enabled_features() { /* * The feature flag integration. * * @var Feature_Flag_Integration $feature_flag_integration */ $feature_flag_integration = YoastSEO()->classes->get( Feature_Flag_Integration::class ); return $feature_flag_integration->get_enabled_features(); } }

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