*
* @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'] ) ? ':' . intval( $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( [ __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 WordPress.PHP.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
*/
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();
}
}
/**
* Clear rewrite rules.
*
* @since 1.8.0
*/
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 WordPress.PHP.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 WordPress.PHP.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 WordPress.PHP.StrictComparisons -- Purposeful loose comparison.
$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 {
// phpcs:ignore WordPress.PHP.StrictComparisons -- Purposeful loose comparison.
$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 $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_dashboard',
'wpseo_tools',
'wpseo_search_console',
'wpseo_licenses',
];
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' ),
// phpcs:ignore Generic.ControlStructures.DisallowYodaConditions -- Bug: squizlabs/PHP_CodeSniffer#2962.
'isPrivateBlog' => ( (string) get_option( 'blog_public' ) ) === '0',
'news_seo_is_active' => ( defined( 'WPSEO_NEWS_FILE' ) ),
];
$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 false|string The prepared JSON string.
*/
public static function format_json_encode( $data ) {
$flags = ( JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
if ( self::is_development_mode() ) {
$flags = ( $flags | JSON_PRETTY_PRINT );
/**
* Filter the Yoast SEO development mode.
*
* @api array $data Allows filtering of the JSON data for debug purposes.
*/
$data = apply_filters( 'wpseo_debug_json_data', $data );
}
// phpcs:ignore Yoast.Yoast.AlternativeFunctions.json_encode_wp_json_encodeWithAdditionalParams -- 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();
}
/* ********************* DEPRECATED METHODS ********************* */
/**
* Translates a decimal analysis score into a textual one.
*
* @since 1.8.0
* @deprecated 19.5
* @codeCoverageIgnore
*
* @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 ) {
_deprecated_function( __METHOD__, 'Yoast SEO 19.5', 'YoastSEO()->helpers->score_icon' );
$seo_rank = WPSEO_Rank::from_numeric_score( $val );
if ( $css_value ) {
return $seo_rank->get_css_class();
}
return $seo_rank->get_label();
}
}
Fatal error: Uncaught Error: Class "WPSEO_Utils" not found in /htdocs/wp-content/plugins/wordpress-seo/lib/abstract-main.php:164
Stack trace:
#0 /htdocs/wp-content/plugins/wordpress-seo/src/main.php(45): Yoast\WP\Lib\Abstract_Main->is_development()
#1 /htdocs/wp-content/plugins/wordpress-seo/lib/abstract-main.php(41): Yoast\WP\SEO\Main->get_container()
#2 /htdocs/wp-content/plugins/wordpress-seo/src/functions.php(36): Yoast\WP\Lib\Abstract_Main->load()
#3 /htdocs/wp-content/plugins/wordpress-seo/wp-seo-main.php(433): YoastSEO()
#4 /htdocs/wp-content/plugins/wordpress-seo/wp-seo.php(50): require_once('/htdocs/wp-cont...')
#5 /htdocs/wp-settings.php(462): include_once('/htdocs/wp-cont...')
#6 /htdocs/wp-config.php(96): require_once('/htdocs/wp-sett...')
#7 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#8 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#9 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#10 {main}
thrown in /htdocs/wp-content/plugins/wordpress-seo/lib/abstract-main.php on line 164