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<?php
/**
* @package WPSEO\Internals
* @since 1.8.0
*/
/**
* Group of utility methods for use by WPSEO
* All methods are static, this is just a sort of namespacing class wrapper.
*/
class WPSEO_Utils {
/**
* @var bool $has_filters Whether the PHP filter extension is enabled
* @static
* @since 1.8.0
*/
public static $has_filters;
/**
* @var array notifications to be shown in the JavaScript console
* @static
* @since 3.3.2
*/
protected static $console_notifications = array();
/**
* Check whether the current user is allowed to access the configuration.
*
* @static
*
* @since 1.8.0
*
* @return boolean
*/
public static function grant_access() {
if ( ! is_multisite() ) {
return true;
}
$options = get_site_option( 'wpseo_ms' );
if ( empty( $options['access'] ) || $options['access'] === 'admin' ) {
return current_user_can( 'manage_options' );
}
return is_super_admin();
}
/**
* 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.
*
* @static
*
* @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
*
* @api 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
*
* @static
*
* @since 1.8.0
*
* @return bool
*/
public static function is_apache() {
if ( isset( $_SERVER['SERVER_SOFTWARE'] ) && stristr( $_SERVER['SERVER_SOFTWARE'], 'apache' ) !== false ) {
return true;
}
return false;
}
/**
* Check if the web server is running on Nginx
*
* @static
*
* @since 1.8.0
*
* @return bool
*/
public static function is_nginx() {
if ( isset( $_SERVER['SERVER_SOFTWARE'] ) && stristr( $_SERVER['SERVER_SOFTWARE'], 'nginx' ) !== false ) {
return true;
}
return false;
}
/**
* Register a notification to be shown in the JavaScript console
*
* @since 3.3.2
*
* @param string $identifier Notification identifier.
* @param string $message Message to be shown.
* @param bool $one_time_only Only show once (if added multiple times).
*/
public static function javascript_console_notification( $identifier, $message, $one_time_only = false ) {
static $registered_hook;
if ( is_null( $registered_hook ) ) {
add_action( 'admin_footer', array( __CLASS__, 'localize_console_notices' ), 999 );
$registered_hook = true;
}
$prefix = 'Yoast SEO: ';
if ( substr( $message, 0, strlen( $prefix ) ) !== $prefix ) {
$message = $prefix . $message;
}
if ( $one_time_only ) {
self::$console_notifications[ $identifier ] = $message;
}
else {
self::$console_notifications[] = $message;
}
}
/**
* Localize the console notifications to JavaScript
*
* @since 3.3.2
*/
public static function localize_console_notices() {
if ( empty( self::$console_notifications ) ) {
return;
}
wp_localize_script( WPSEO_Admin_Asset_Manager::PREFIX . 'admin-global-script', 'wpseoConsoleNotifications', array_values( self::$console_notifications ) );
}
/**
* 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 ( strpos( $url, 'http' ) !== 0 && strpos( $url, '//' ) !== 0 );
}
/**
* List all the available user roles
*
* @since 1.8.0
*
* @static
*
* @return array $roles
*/
public static function get_roles() {
global $wp_roles;
if ( ! isset( $wp_roles ) ) {
$wp_roles = new WP_Roles();
}
$roles = $wp_roles->get_names();
return $roles;
}
/**
* Standardize whitespace in a string
*
* Replace line breaks, carriage returns, tabs with a space, then remove double spaces.
*
* @since 1.8.0
*
* @param string $string String input to standardize.
*
* @return string
*/
public static function standardize_whitespace( $string ) {
return trim( str_replace( ' ', ' ', str_replace( array( "\t", "\n", "\r", "\f" ), ' ', $string ) ) );
}
/**
* First strip out registered and enclosing shortcodes using native WordPress strip_shortcodes function.
* Then strip out the shortcodes with a filthy regex, because people don't properly register their shortcodes.
*
* @static
*
* @since 1.8.0
*
* @param string $text Input string that might contain shortcodes.
*
* @return string $text string without shortcodes
*/
public static function strip_shortcode( $text ) {
return preg_replace( '`\[[^\]]+\]`s', '', strip_shortcodes( $text ) );
}
/**
* Recursively trim whitespace round a string value or of string values within an array
* Only trims strings to avoid typecasting a variable (to string)
*
* @static
*
* @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( array( __CLASS__, 'trim_recursive' ), $value );
}
return $value;
}
/**
* Translates a decimal analysis score into a textual one.
*
* @static
*
* @since 1.8.0
*
* @param int $val The decimal score to translate.
* @param bool $css_value Whether to return the i18n translated score or the CSS class value.
*
* @return string
*/
public static function translate_score( $val, $css_value = true ) {
$seo_rank = WPSEO_Rank::from_numeric_score( $val );
if ( $css_value ) {
return $seo_rank->get_css_class();
}
return $seo_rank->get_label();
}
/**
* Emulate the WP native sanitize_text_field function in a %%variable%% safe way
*
* @see https://core.trac.wordpress.org/browser/trunk/src/wp-includes/formatting.php for the original
*
* 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.
*
* @static
*
* @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 );
}
/**
* Sanitize a url for saving to the database
* Not to be confused with the old native WP function
*
* @todo [JRF => whomever] check/improve url verification
*
* @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 = array( 'http', 'https' ) ) {
return esc_url_raw( sanitize_text_field( rawurldecode( $value ) ), $allowed_protocols );
}
/**
* Validate a value as boolean
*
* @static
*
* @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
*
* @static
*
* @since 1.8.0
*
* @param mixed $value Value to cast.
*
* @return bool
*/
public static function emulate_filter_bool( $value ) {
$true = array(
'1',
'true',
'True',
'TRUE',
'y',
'Y',
'yes',
'Yes',
'YES',
'on',
'On',
'ON',
);
$false = array(
'0',
'false',
'False',
'FALSE',
'n',
'N',
'no',
'No',
'NO',
'off',
'Off',
'OFF',
);
if ( is_bool( $value ) ) {
return $value;
}
else if ( is_int( $value ) && ( $value === 0 || $value === 1 ) ) {
return (bool) $value;
}
else if ( ( is_float( $value ) && ! is_nan( $value ) ) && ( $value === (float) 0 || $value === (float) 1 ) ) {
return (bool) $value;
}
else if ( is_string( $value ) ) {
$value = trim( $value );
if ( in_array( $value, $true, true ) ) {
return true;
}
else if ( in_array( $value, $false, true ) ) {
return false;
}
else {
return false;
}
}
return false;
}
/**
* Validate a value as integer
*
* @static
*
* @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
*
* @static
*
* @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;
}
else if ( is_float( $value ) ) {
if ( (int) $value == $value && ! is_nan( $value ) ) {
return (int) $value;
}
else {
return false;
}
}
else if ( is_string( $value ) ) {
$value = trim( $value );
if ( $value === '' ) {
return false;
}
else if ( ctype_digit( $value ) ) {
return (int) $value;
}
else if ( 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
*
* @static
*
* @since 1.8.0
*/
public static function clear_cache() {
if ( function_exists( 'w3tc_pgcache_flush' ) ) {
w3tc_pgcache_flush();
}
elseif ( function_exists( 'wp_cache_clear_cache' ) ) {
wp_cache_clear_cache();
}
}
/**
* Flush W3TC cache after succesfull update/add of taxonomy meta option
*
* @static
*
* @since 1.8.0
*/
public static function flush_w3tc_cache() {
if ( defined( 'W3TC_DIR' ) && function_exists( 'w3tc_objectcache_flush' ) ) {
w3tc_objectcache_flush();
}
}
/**
* Clear rewrite rules
*
* @static
*
* @since 1.8.0
*/
public static function clear_rewrites() {
delete_option( 'rewrite_rules' );
}
/**
* Do simple reliable math calculations without the risk of wrong results
*
* @see http://floating-point-gui.de/
* @see the big red warning on http://php.net/language.types.float.php
*
* In the rare case that the bcmath extension would not be loaded, it will return the normal calculation results
*
* @static
*
* @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 ) {
$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 ) {
$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 {
$result = ( $number1 == $number2 ) ? 0 : ( ( $number1 > $number2 ) ? 1 : - 1 );
}
break;
}
if ( isset( $result ) ) {
if ( $compare === false ) {
if ( $round === true ) {
$result = round( floatval( $result ), $decimals );
if ( $decimals === 0 ) {
$result = (int) $result;
}
}
else {
$result = ( intval( $result ) == $result ) ? intval( $result ) : floatval( $result );
}
}
return $result;
}
return false;
}
/**
* Trim whitespace and NBSP (Non-breaking space) from string
*
* @since 2.0.0
*
* @param string $string String input to trim.
*
* @return string
*/
public static function trim_nbsp_from_string( $string ) {
$find = array( ' ', chr( 0xC2 ) . chr( 0xA0 ) );
$string = str_replace( $find, ' ', $string );
$string = trim( $string );
return $string;
}
/**
* 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 ) {
if ( substr( $datetime, 0, 1 ) === '-' ) {
return false;
}
try {
return new DateTime( $datetime ) !== false;
} catch ( Exception $exc ) {
return false;
}
}
/**
* 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 ( isset( $parsed_url['query'] ) && '' != $parsed_url['query'] ) {
$formatted_url .= '?' . $parsed_url['query'];
}
return apply_filters( 'wpseo_format_admin_url', $formatted_url );
}
/**
* Get plugin name from file
*
* @since 2.3.3
*
* @param string $plugin Plugin path relative to plugins directory.
*
* @return string|bool
*/
public static function get_plugin_name( $plugin ) {
$plugin_details = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
if ( $plugin_details['Name'] != '' ) {
return $plugin_details['Name'];
}
return false;
}
/**
* Retrieves the sitename.
*
* @since 3.0.0
*
* @return string
*/
public static function get_site_name() {
return trim( strip_tags( get_bloginfo( 'name' ) ) );
}
/**
* Retrieves the title separator.
*
* @since 3.0.0
*
* @return string
*/
public static function get_title_separator() {
$replacement = WPSEO_Options::get_default( 'wpseo_titles', 'separator' );
// Get the titles option and the separator options.
$titles_options = WPSEO_Options::get_option( 'wpseo_titles' );
$seperator_options = WPSEO_Option_Titles::get_instance()->get_separator_options();
// This should always be set, but just to be sure.
if ( isset( $seperator_options[ $titles_options['separator'] ] ) ) {
// Set the new replacement.
$replacement = $seperator_options[ $titles_options['separator'] ];
}
/**
* Filter: 'wpseo_replacements_filter_sep' - Allow customization of the separator character(s)
*
* @api string $replacement The current separator
*/
return apply_filters( 'wpseo_replacements_filter_sep', $replacement );
}
/**
* Check if the current opened page is a Yoast SEO page.
*
* @since 3.0.0
*
* @return bool
*/
public static function is_yoast_seo_page() {
static $is_yoast_seo;
if ( $is_yoast_seo === null ) {
$current_page = filter_input( INPUT_GET, 'page' );
$is_yoast_seo = ( substr( $current_page, 0, 6 ) === 'wpseo_' );
}
return $is_yoast_seo;
}
/**
* 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 = array(
'wpseo_dashboard',
'wpseo_titles',
'wpseo_social',
'wpseo_xml',
'wpseo_advanced',
'wpseo_tools',
'wpseo_search_console',
'wpseo_licenses',
);
return in_array( $current_page, $yoast_seo_free_pages );
}
/**
* 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( 'WPSEO_DEBUG' ) ) {
$development_mode = WPSEO_DEBUG;
}
elseif ( site_url() && false === strpos( site_url(), '.' ) ) {
$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 ) {
$home_url = home_url( $path, $scheme );
if ( ! empty( $path ) ) {
return $home_url;
}
$home_path = parse_url( $home_url, PHP_URL_PATH );
if ( '/' === $home_path ) { // Home at site root, already slashed.
return $home_url;
}
if ( is_null( $home_path ) ) { // Home at site root, always slash.
return trailingslashit( $home_url );
}
if ( is_string( $home_path ) ) { // Home in subdirectory, slash if permalink structure has slash.
return user_trailingslashit( $home_url );
}
return $home_url;
}
/**
* Returns a base64 URL for the svg for use in the menu
*
* @since 3.3.0
*
* @param bool $base64 Whether or not to return base64'd output.
*
* @return string
*/
public static function get_icon_svg( $base64 = true ) {
$svg = '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="100%" height="100%" style="fill:#82878c" viewBox="0 0 512 512"><g><g><g><g><path d="M203.6,395c6.8-17.4,6.8-36.6,0-54l-79.4-204h70.9l47.7,149.4l74.8-207.6H116.4c-41.8,0-76,34.2-76,76V357c0,41.8,34.2,76,76,76H173C189,424.1,197.6,410.3,203.6,395z"/></g><g><path d="M471.6,154.8c0-41.8-34.2-76-76-76h-3L285.7,365c-9.6,26.7-19.4,49.3-30.3,68h216.2V154.8z"/></g></g><path stroke-width="2.974" stroke-miterlimit="10" d="M338,1.3l-93.3,259.1l-42.1-131.9h-89.1l83.8,215.2c6,15.5,6,32.5,0,48c-7.4,19-19,37.3-53,41.9l-7.2,1v76h8.3c81.7,0,118.9-57.2,149.6-142.9L431.6,1.3H338z M279.4,362c-32.9,92-67.6,128.7-125.7,131.8v-45c37.5-7.5,51.3-31,59.1-51.1c7.5-19.3,7.5-40.7,0-60l-75-192.7h52.8l53.3,166.8l105.9-294h58.1L279.4,362z"/></g></g></svg>';
if ( $base64 ) {
return 'data:image/svg+xml;base64,' . base64_encode( $svg );
}
return $svg;
}
/**
* Returns the language part of a given locale, defaults to english when the $locale is empty
*
* @since 3.4
*
* @param string $locale The locale to get the language of.
*
* @returns string The language part of the locale.
*/
public static function get_language( $locale ) {
$language = 'en';
if ( ! empty( $locale ) && strlen( $locale ) >= 2 ) {
$language = substr( $locale, 0, 2 );
}
return $language;
}
/**
* Returns the user locale for the language to be used in the admin.
*
* WordPress 4.7 introduced the ability for users to specify an Admin language
* different from the language used on the front end. This checks if the feature
* is available and returns the user's language, with a fallback to the site's language.
* Can be removed when support for WordPress 4.6 will be dropped, in favor
* of WordPress get_user_locale() that already fallbacks to the site’s locale.
*
* @since 4.1
*
* @returns string The locale.
*/
public static function get_user_locale() {
if ( function_exists( 'get_user_locale' ) ) {
return get_user_locale();
}
return get_locale();
}
/**
* 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, '>=' ) );
}
/********************** DEPRECATED METHODS **********************/
// @codeCoverageIgnoreStart
/**
* Wrapper for the PHP filter input function.
*
* This is used because stupidly enough, the `filter_input` function is not available on all hosts...
*
* @since 1.8.0
*
* @deprecated 3.0
* @deprecated Passes through to PHP call, no longer used in code.
*
* @param int $type Input type constant.
* @param string $variable_name Variable name to get.
* @param int $filter Filter to apply.
*
* @return mixed
*/
public static function filter_input( $type, $variable_name, $filter = FILTER_DEFAULT ) {
_deprecated_function( __METHOD__, 'WPSEO 3.0', 'PHP native filter_input()' );
return filter_input( $type, $variable_name, $filter );
}
/**
* Adds a hook that when given option is updated, the XML sitemap transient cache is cleared
*
* @since 2.2.0
*
* @deprecated 3.2
* @see WPSEO_Sitemaps_Cache::register_clear_on_option_update()
*
* @param string $option Option name.
* @param string $type Sitemap type.
*/
public static function register_cache_clear_option( $option, $type = '' ) {
_deprecated_function( __METHOD__, 'WPSEO 3.2', 'WPSEO_Sitemaps_Cache::register_clear_on_option_update()' );
WPSEO_Sitemaps_Cache::register_clear_on_option_update( $option, $type );
}
/**
* Clears the transient cache when a given option is updated, if that option has been registered before
*
* @since 2.2.0
*
* @deprecated 3.2
* @see WPSEO_Sitemaps_Cache::clear_on_option_update()
*
* @param string $option The option that's being updated.
*/
public static function clear_transient_cache( $option ) {
_deprecated_function( __METHOD__, 'WPSEO 3.2', 'WPSEO_Sitemaps_Cache::clear_on_option_update()' );
WPSEO_Sitemaps_Cache::clear_on_option_update( $option );
}
/**
* Clear entire XML sitemap cache
*
* @since 1.8.0
*
* @deprecated 3.2
* @see WPSEO_Sitemaps_Cache::clear()
*
* @param array $types Set of sitemap types to invalidate cache for.
*/
public static function clear_sitemap_cache( $types = array() ) {
_deprecated_function( __METHOD__, 'WPSEO 3.2', 'WPSEO_Sitemaps_Cache::clear()' );
WPSEO_Sitemaps_Cache::clear( $types );
}
/**
* Wrapper for encoding the array as a json string. Includes a fallback if wp_json_encode doesn't exist.
*
* @since 3.0.0
*
* @deprecated 3.3 Core versions without wp_json_encode() no longer supported, fallback unnecessary.
*
* @param array $array_to_encode The array which will be encoded.
* @param int $options Optional. Array with options which will be passed in to the encoding methods.
* @param int $depth Optional. Maximum depth to walk through $data. Must be greater than 0. Default 512.
*
* @return false|string
*/
public static function json_encode( array $array_to_encode, $options = 0, $depth = 512 ) {
_deprecated_function( __METHOD__, 'WPSEO 3.3', 'wp_json_encode()' );
return wp_json_encode( $array_to_encode, $options, $depth );
}
// @codeCoverageIgnoreEnd
}
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