238 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			238 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * WPSEO plugin file.
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|  *
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|  * @package WPSEO\Internals
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|  */
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| 
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| if ( ! defined( 'WPSEO_VERSION' ) ) {
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| 	header( 'Status: 403 Forbidden' );
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| 	header( 'HTTP/1.1 403 Forbidden' );
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| 	exit();
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| }
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| 
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| if ( ! function_exists( 'yoast_breadcrumb' ) ) {
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| 	/**
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| 	 * Template tag for breadcrumbs.
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| 	 *
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| 	 * @param string $before  What to show before the breadcrumb.
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| 	 * @param string $after   What to show after the breadcrumb.
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| 	 * @param bool   $display Whether to display the breadcrumb (true) or return it (false).
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| 	 *
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| 	 * @return string
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| 	 */
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| 	function yoast_breadcrumb( $before = '', $after = '', $display = true ) {
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| 		$breadcrumbs_enabled = current_theme_supports( 'yoast-seo-breadcrumbs' );
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| 		if ( ! $breadcrumbs_enabled ) {
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| 			$breadcrumbs_enabled = WPSEO_Options::get( 'breadcrumbs-enable', false );
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| 		}
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| 
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| 		if ( $breadcrumbs_enabled ) {
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| 			return WPSEO_Breadcrumbs::breadcrumb( $before, $after, $display );
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| 		}
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| 	}
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| }
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| 
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| if ( ! function_exists( 'yoast_get_primary_term_id' ) ) {
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| 	/**
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| 	 * Get the primary term ID.
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| 	 *
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| 	 * @param string           $taxonomy Optional. The taxonomy to get the primary term ID for. Defaults to category.
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| 	 * @param int|WP_Post|null $post     Optional. Post to get the primary term ID for.
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| 	 *
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| 	 * @return bool|int
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| 	 */
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| 	function yoast_get_primary_term_id( $taxonomy = 'category', $post = null ) {
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| 		$post = get_post( $post );
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| 
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| 		$primary_term = new WPSEO_Primary_Term( $taxonomy, $post->ID );
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| 		return $primary_term->get_primary_term();
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| 	}
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| }
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| 
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| if ( ! function_exists( 'yoast_get_primary_term' ) ) {
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| 	/**
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| 	 * Get the primary term name.
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| 	 *
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| 	 * @param string           $taxonomy Optional. The taxonomy to get the primary term for. Defaults to category.
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| 	 * @param int|WP_Post|null $post     Optional. Post to get the primary term for.
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| 	 *
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| 	 * @return string Name of the primary term.
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| 	 */
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| 	function yoast_get_primary_term( $taxonomy = 'category', $post = null ) {
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| 		$primary_term_id = yoast_get_primary_term_id( $taxonomy, $post );
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| 
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| 		$term = get_term( $primary_term_id );
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| 		if ( ! is_wp_error( $term ) && ! empty( $term ) ) {
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| 			return $term->name;
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| 		}
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| 
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| 		return '';
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| 	}
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| }
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| 
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| /**
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|  * Replace `%%variable_placeholders%%` with their real value based on the current requested page/post/cpt.
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|  *
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|  * @param string $text The string to replace the variables in.
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|  * @param object $args The object some of the replacement values might come from,
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|  *                     could be a post, taxonomy or term.
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|  * @param array  $omit Variables that should not be replaced by this function.
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|  *
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|  * @return string
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|  */
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| function wpseo_replace_vars( $text, $args, $omit = [] ) {
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| 	$replacer = new WPSEO_Replace_Vars();
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| 
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| 	return $replacer->replace( $text, $args, $omit );
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| }
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| 
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| /**
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|  * Register a new variable replacement.
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|  *
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|  * This function is for use by other plugins/themes to easily add their own additional variables to replace.
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|  * This function should be called from a function on the 'wpseo_register_extra_replacements' action hook.
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|  * The use of this function is preferred over the older 'wpseo_replacements' filter as a way to add new replacements.
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|  * The 'wpseo_replacements' filter should still be used to adjust standard WPSEO replacement values.
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|  * The function can not be used to replace standard WPSEO replacement value functions and will thrown a warning
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|  * if you accidently try.
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|  * To avoid conflicts with variables registered by WPSEO and other themes/plugins, try and make the
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|  * name of your variable unique. Variable names also can not start with "%%cf_" or "%%ct_" as these are reserved
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|  * for the standard WPSEO variable variables 'cf_<custom-field-name>', 'ct_<custom-tax-name>' and
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|  * 'ct_desc_<custom-tax-name>'.
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|  * The replacement function will be passed the undelimited name (i.e. stripped of the %%) of the variable
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|  * to replace in case you need it.
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|  *
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|  * Example code:
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|  * <code>
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|  * <?php
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|  * function retrieve_var1_replacement( $var1 ) {
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|  *        return 'your replacement value';
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|  * }
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|  *
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|  * function register_my_plugin_extra_replacements() {
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|  *        wpseo_register_var_replacement( '%%myvar1%%', 'retrieve_var1_replacement', 'advanced', 'this is a help text for myvar1' );
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|  *        wpseo_register_var_replacement( 'myvar2', array( 'class', 'method_name' ), 'basic', 'this is a help text for myvar2' );
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|  * }
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|  * add_action( 'wpseo_register_extra_replacements', 'register_my_plugin_extra_replacements' );
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|  * ?>
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|  * </code>
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|  *
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|  * @since 1.5.4
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|  *
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|  * @param string $replacevar_name  The name of the variable to replace, i.e. '%%var%%'.
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|  *                                 Note: the surrounding %% are optional, name can only contain [A-Za-z0-9_-].
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|  * @param mixed  $replace_function Function or method to call to retrieve the replacement value for the variable.
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|  *                                 Uses the same format as add_filter/add_action function parameter and
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|  *                                 should *return* the replacement value. DON'T echo it.
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|  * @param string $type             Type of variable: 'basic' or 'advanced', defaults to 'advanced'.
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|  * @param string $help_text        Help text to be added to the help tab for this variable.
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|  *
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|  * @return bool Whether the replacement function was successfully registered.
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|  */
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| function wpseo_register_var_replacement( $replacevar_name, $replace_function, $type = 'advanced', $help_text = '' ) {
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| 	return WPSEO_Replace_Vars::register_replacement( $replacevar_name, $replace_function, $type, $help_text );
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| }
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| 
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| /**
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|  * WPML plugin support: Set titles for custom types / taxonomies as translatable.
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|  *
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|  * It adds new keys to a wpml-config.xml file for a custom post type title, metadesc,
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|  * title-ptarchive and metadesc-ptarchive fields translation.
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|  * Documentation: http://wpml.org/documentation/support/language-configuration-files/
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|  *
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|  * @global $sitepress
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|  *
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|  * @param array $config WPML configuration data to filter.
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|  *
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|  * @return array
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|  */
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| function wpseo_wpml_config( $config ) {
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| 	global $sitepress;
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| 
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| 	if ( ( is_array( $config ) && isset( $config['wpml-config']['admin-texts']['key'] ) ) && ( is_array( $config['wpml-config']['admin-texts']['key'] ) && $config['wpml-config']['admin-texts']['key'] !== [] ) ) {
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| 		$admin_texts = $config['wpml-config']['admin-texts']['key'];
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| 		foreach ( $admin_texts as $k => $val ) {
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| 			if ( $val['attr']['name'] === 'wpseo_titles' ) {
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| 				$translate_cp = array_keys( $sitepress->get_translatable_documents() );
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| 				if ( is_array( $translate_cp ) && $translate_cp !== [] ) {
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| 					foreach ( $translate_cp as $post_type ) {
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| 						$admin_texts[ $k ]['key'][]['attr']['name'] = 'title-' . $post_type;
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| 						$admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-' . $post_type;
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| 						$admin_texts[ $k ]['key'][]['attr']['name'] = 'title-ptarchive-' . $post_type;
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| 						$admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-ptarchive-' . $post_type;
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| 
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| 						$translate_tax = $sitepress->get_translatable_taxonomies( false, $post_type );
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| 						if ( is_array( $translate_tax ) && $translate_tax !== [] ) {
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| 							foreach ( $translate_tax as $taxonomy ) {
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| 								$admin_texts[ $k ]['key'][]['attr']['name'] = 'title-tax-' . $taxonomy;
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| 								$admin_texts[ $k ]['key'][]['attr']['name'] = 'metadesc-tax-' . $taxonomy;
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| 							}
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| 						}
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| 					}
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| 				}
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| 				break;
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| 			}
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| 		}
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| 		$config['wpml-config']['admin-texts']['key'] = $admin_texts;
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| 	}
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| 
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| 	return $config;
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| }
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| 
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| add_filter( 'icl_wpml_config_array', 'wpseo_wpml_config' );
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| 
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| if ( ! function_exists( 'ctype_digit' ) ) {
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| 	/**
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| 	 * Emulate PHP native ctype_digit() function for when the ctype extension would be disabled *sigh*.
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| 	 * Only emulates the behaviour for when the input is a string, does not handle integer input as ascii value.
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| 	 *
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| 	 * @param string $text String input to validate.
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| 	 *
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| 	 * @return bool
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| 	 */
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| 	function ctype_digit( $text ) {
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| 		$return = false;
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| 		if ( ( is_string( $text ) && $text !== '' ) && preg_match( '`^\d+$`', $text ) === 1 ) {
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| 			$return = true;
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| 		}
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| 
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| 		return $return;
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| 	}
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| }
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| 
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| /**
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|  * Makes sure the taxonomy meta is updated when a taxonomy term is split.
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|  *
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|  * @link https://make.wordpress.org/core/2015/02/16/taxonomy-term-splitting-in-4-2-a-developer-guide/ Article explaining the taxonomy term splitting in WP 4.2.
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|  *
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|  * @param string $old_term_id      Old term id of the taxonomy term that was splitted.
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|  * @param string $new_term_id      New term id of the taxonomy term that was splitted.
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|  * @param string $term_taxonomy_id Term taxonomy id for the taxonomy that was affected.
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|  * @param string $taxonomy         The taxonomy that the taxonomy term was splitted for.
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|  */
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| function wpseo_split_shared_term( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
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| 	$tax_meta = get_option( 'wpseo_taxonomy_meta', [] );
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| 
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| 	if ( ! empty( $tax_meta[ $taxonomy ][ $old_term_id ] ) ) {
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| 		$tax_meta[ $taxonomy ][ $new_term_id ] = $tax_meta[ $taxonomy ][ $old_term_id ];
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| 		unset( $tax_meta[ $taxonomy ][ $old_term_id ] );
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| 		update_option( 'wpseo_taxonomy_meta', $tax_meta );
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| 	}
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| }
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| 
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| add_action( 'split_shared_term', 'wpseo_split_shared_term', 10, 4 );
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| 
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| /**
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|  * Get all WPSEO related capabilities.
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|  *
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|  * @since 8.3
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|  * @return array
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|  */
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| function wpseo_get_capabilities() {
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| 	if ( ! did_action( 'wpseo_register_capabilities' ) ) {
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| 		do_action( 'wpseo_register_capabilities' );
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| 	}
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| 	return WPSEO_Capability_Manager_Factory::get()->get_capabilities();
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| }
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