| 1 |
<?php |
| 2 |
|
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/** |
| 4 |
* Setups the language and translations model based on WordPress taxonomies |
| 5 |
* |
| 6 |
* @since 1.2 |
| 7 |
*/ |
| 8 |
class PLL_Model { |
| 9 |
public $cache; // Our internal non persistent cache object |
| 10 |
public $options; |
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public $post, $term; // Translated objects models |
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|
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/** |
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* Constructor |
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* setups translated objects sub models |
| 16 |
* setups filters and actions |
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* |
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* @since 1.2 |
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* |
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* @param array $options Polylang options |
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*/ |
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public function __construct( &$options ) { |
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$this->options = &$options; |
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|
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$this->cache = new PLL_Cache(); |
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$this->post = new PLL_Translated_Post( $this ); // translated post sub model |
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$this->term = new PLL_Translated_Term( $this ); // translated term sub model |
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|
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// We need to clean languages cache when editing a language and when modifying the permalink structure |
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add_action( 'edited_term_taxonomy', array( $this, 'clean_languages_cache' ), 10, 2 ); |
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add_action( 'update_option_permalink_structure', array( $this, 'clean_languages_cache' ) ); |
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add_action( 'update_option_siteurl', array( $this, 'clean_languages_cache' ) ); |
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add_action( 'update_option_home', array( $this, 'clean_languages_cache' ) ); |
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|
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add_filter( 'get_terms_args', array( $this, 'get_terms_args' ) ); |
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|
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// Just in case someone would like to display the language description ;- ) |
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add_filter( 'language_description', '__return_empty_string' ); |
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} |
| 40 |
|
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/** |
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* Returns the list of available languages |
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* caches the list in a db transient ( except flags ), unless PLL_CACHE_LANGUAGES is set to false |
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* caches the list ( with flags ) in the private property $languages |
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* |
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* List of parameters accepted in $args: |
| 47 |
* |
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* hide_empty => hides languages with no posts if set to true ( defaults to false ) |
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* fields => return only that field if set ( see PLL_Language for a list of fields ) |
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* |
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* @since 0.1 |
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* |
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* @param array $args |
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* @return array|string|int list of PLL_Language objects or PLL_Language object properties |
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*/ |
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public function get_languages_list( $args = array() ) { |
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if ( false === $languages = $this->cache->get( 'languages' ) ) { |
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|
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// Create the languages from taxonomies |
| 60 |
if ( ( defined( 'PLL_CACHE_LANGUAGES' ) && ! PLL_CACHE_LANGUAGES ) || false === ( $languages = get_transient( 'pll_languages_list' ) ) ) { |
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$languages = get_terms( 'language', array( 'hide_empty' => false, 'orderby' => 'term_group' ) ); |
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$languages = empty( $languages ) || is_wp_error( $languages ) ? array() : $languages; |
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|
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$term_languages = get_terms( 'term_language', array( 'hide_empty' => false ) ); |
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$term_languages = empty( $term_languages ) || is_wp_error( $term_languages ) ? |
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array() : array_combine( wp_list_pluck( $term_languages, 'slug' ), $term_languages ); |
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|
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if ( ! empty( $languages ) && ! empty( $term_languages ) ) { |
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// Don't use array_map + create_function to instantiate an autoloaded class as it breaks badly in old versions of PHP |
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foreach ( $languages as $k => $v ) { |
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$languages[ $k ] = new PLL_Language( $v, $term_languages[ 'pll_' . $v->slug ] ); |
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} |
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|
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// We will need the languages list to allow its access in the filter below |
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$this->cache->set( 'languages', $languages ); |
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|
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/** |
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* Filter the list of languages *before* it is stored in the persistent cache |
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* /!\ this filter is fired *before* the $polylang object is available |
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* |
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* @since 1.7.5 |
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* |
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* @param array $languages the list of language objects |
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* @param object $model PLL_Model object |
| 85 |
*/ |
| 86 |
$languages = apply_filters( 'pll_languages_list', $languages, $this ); |
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|
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// Don't store directly objects as it badly break with some hosts ( GoDaddy ) due to race conditions when using object cache |
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// Thanks to captin411 for catching this! |
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// See https://wordpress.org/support/topic/fatal-error-pll_model_languages_list?replies=8#post-6782255; |
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set_transient( 'pll_languages_list', array_map( 'get_object_vars', $languages ) ); |
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} |
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else { |
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$languages = array(); // In case something went wrong |
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} |
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} |
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|
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// Create the languages directly from arrays stored in transients |
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else { |
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foreach ( $languages as $k => $v ) { |
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$languages[ $k ] = new PLL_Language( $v ); |
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} |
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} |
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|
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// Custom flags |
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if ( ! PLL_ADMIN ) { |
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foreach ( $languages as $language ) { |
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$language->set_custom_flag(); |
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} |
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} |
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|
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/** |
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* Filter the list of languages *after* it is stored in the persistent cache |
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* /!\ this filter is fired *before* the $polylang object is available |
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* |
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* @since 1.8 |
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* |
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* @param array $languages the list of language objects |
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*/ |
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$languages = apply_filters( 'pll_after_languages_cache', $languages ); |
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$this->cache->set( 'languages', $languages ); |
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} |
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|
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$args = wp_parse_args( $args, array( 'hide_empty' => false ) ); |
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|
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// Remove empty languages if requested |
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if ( $args['hide_empty'] ) { |
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$languages = wp_list_filter( $languages, array( 'count' => 0 ), 'NOT' ); |
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} |
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|
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return empty( $args['fields'] ) ? $languages : wp_list_pluck( $languages, $args['fields'] ); |
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} |
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|
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/** |
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* Cleans language cache |
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* can be called directly with no parameter |
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* called by the 'edited_term_taxonomy' filter with 2 parameters when count needs to be updated |
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* |
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* @since 1.2 |
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* |
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* @param int $term not used |
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* @param string $taxonomy taxonomy name |
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*/ |
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public function clean_languages_cache( $term = 0, $taxonomy = null ) { |
| 145 |
if ( empty( $taxonomy ) || 'language' == $taxonomy ) { |
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delete_transient( 'pll_languages_list' ); |
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$this->cache->clean(); |
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} |
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} |
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|
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/** |
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* Don't query term metas when only our taxonomies are queried |
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* |
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* @since 2.3 |
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* |
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* @param array $args WP_Term_Query arguments |
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* @return array |
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*/ |
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public function get_terms_args( $args ) { |
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if ( isset( $args['taxonomy'] ) && ! array_diff( (array) $args['taxonomy'], array( 'language', 'term_language', 'post_translations', 'term_translations' ) ) ) { |
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$args['update_term_meta_cache'] = false; |
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} |
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return $args; |
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} |
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|
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/** |
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* Returns the language by its term_id, tl_term_id, slug or locale |
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* |
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* @since 0.1 |
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* |
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* @param int|string $value term_id, tl_term_id, slug or locale of the queried language |
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* @return object|bool PLL_Language object, false if no language found |
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*/ |
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public function get_language( $value ) { |
| 175 |
if ( is_object( $value ) ) { |
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return $value instanceof PLL_Language ? $value : $this->get_language( $value->term_id ); // will force cast to PLL_Language |
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} |
| 178 |
|
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if ( false === $return = $this->cache->get( 'language:' . $value ) ) { |
| 180 |
foreach ( $this->get_languages_list() as $lang ) { |
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$this->cache->set( 'language:' . $lang->term_id, $lang ); |
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$this->cache->set( 'language:' . $lang->tl_term_id, $lang ); |
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$this->cache->set( 'language:' . $lang->slug, $lang ); |
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$this->cache->set( 'language:' . $lang->locale, $lang ); |
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} |
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$return = $this->cache->get( 'language:' . $value ); |
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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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* Adds terms clauses to get_terms to filter them by languages - used in both frontend and admin |
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* |
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* @since 1.2 |
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* |
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* @param array $clauses the list of sql clauses in terms query |
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* @param object $lang PLL_Language object |
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* @return array modified list of clauses |
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*/ |
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public function terms_clauses( $clauses, $lang ) { |
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if ( ! empty( $lang ) && false === strpos( $clauses['join'], 'pll_tr' ) ) { |
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$clauses['join'] .= $this->term->join_clause(); |
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$clauses['where'] .= $this->term->where_clause( $lang ); |
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} |
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return $clauses; |
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} |
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|
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/** |
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* Returns post types that need to be translated |
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* the post types list is cached for better better performance |
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* wait for 'after_setup_theme' to apply the cache to allow themes adding the filter in functions.php |
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* |
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* @since 1.2 |
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* |
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* @param bool $filter true if we should return only valid registered post types |
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* @return array post type names for which Polylang manages languages and translations |
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*/ |
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public function get_translated_post_types( $filter = true ) { |
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if ( false === $post_types = $this->cache->get( 'post_types' ) ) { |
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$post_types = array( 'post' => 'post', 'page' => 'page' ); |
| 222 |
|
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if ( ! empty( $this->options['media_support'] ) ) { |
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$post_types['attachment'] = 'attachment'; |
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} |
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|
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if ( ! empty( $this->options['post_types'] ) && is_array( $this->options['post_types'] ) ) { |
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$post_types = array_merge( $post_types, array_combine( $this->options['post_types'], $this->options['post_types'] ) ); |
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} |
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|
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/** |
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* Filter the list of post types available for translation. |
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* The default are post types which have the parameter ‘public’ set to true. |
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* The filter must be added soon in the WordPress loading process: |
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* in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes. |
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* |
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* @since 0.8 |
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* |
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* @param array $post_types list of post type names |
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* @param bool $is_settings true when displaying the list of custom post types in Polylang settings |
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*/ |
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$post_types = apply_filters( 'pll_get_post_types', $post_types, false ); |
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|
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if ( did_action( 'after_setup_theme' ) ) { |
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$this->cache->set( 'post_types', $post_types ); |
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} |
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} |
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|
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return $filter ? array_intersect( $post_types, get_post_types() ) : $post_types; |
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} |
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|
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/** |
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* Returns true if Polylang manages languages and translations for this post type |
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* |
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* @since 1.2 |
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* |
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* @param string|array $post_type post type name or array of post type names |
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* @return bool |
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*/ |
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public function is_translated_post_type( $post_type ) { |
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$post_types = $this->get_translated_post_types( false ); |
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return ( is_array( $post_type ) && array_intersect( $post_type, $post_types ) || in_array( $post_type, $post_types ) || 'any' === $post_type && ! empty( $post_types ) ); |
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} |
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|
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/** |
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* Return taxonomies that need to be translated |
| 267 |
* |
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* @since 1.2 |
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* |
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* @param bool $filter true if we should return only valid registered taxonomies |
| 271 |
* @return array array of registered taxonomy names for which Polylang manages languages and translations |
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*/ |
| 273 |
public function get_translated_taxonomies( $filter = true ) { |
| 274 |
if ( false === $taxonomies = $this->cache->get( 'taxonomies' ) ) { |
| 275 |
$taxonomies = array( 'category' => 'category', 'post_tag' => 'post_tag' ); |
| 276 |
|
| 277 |
if ( ! empty( $this->options['taxonomies'] ) && is_array( $this->options['taxonomies'] ) ) { |
| 278 |
$taxonomies = array_merge( $taxonomies, array_combine( $this->options['taxonomies'], $this->options['taxonomies'] ) ); |
| 279 |
} |
| 280 |
|
| 281 |
/** |
| 282 |
* Filter the list of taxonomies available for translation. |
| 283 |
* The default are taxonomies which have the parameter ‘public’ set to true. |
| 284 |
* The filter must be added soon in the WordPress loading process: |
| 285 |
* in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes. |
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* |
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* @since 0.8 |
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* |
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* @param array $taxonomies list of taxonomy names |
| 290 |
* @param bool $is_settings true when displaying the list of custom taxonomies in Polylang settings |
| 291 |
*/ |
| 292 |
$taxonomies = apply_filters( 'pll_get_taxonomies', $taxonomies, false ); |
| 293 |
if ( did_action( 'after_setup_theme' ) ) { |
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$this->cache->set( 'taxonomies', $taxonomies ); |
| 295 |
} |
| 296 |
} |
| 297 |
|
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return $filter ? array_intersect( $taxonomies, get_taxonomies() ) : $taxonomies; |
| 299 |
} |
| 300 |
|
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/** |
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* Returns true if Polylang manages languages and translations for this taxonomy |
| 303 |
* |
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* @since 1.2 |
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* |
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* @param string|array $tax taxonomy name or array of taxonomy names |
| 307 |
* @return bool |
| 308 |
*/ |
| 309 |
public function is_translated_taxonomy( $tax ) { |
| 310 |
$taxonomies = $this->get_translated_taxonomies( false ); |
| 311 |
return ( is_array( $tax ) && array_intersect( $tax, $taxonomies ) || in_array( $tax, $taxonomies ) ); |
| 312 |
} |
| 313 |
|
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/** |
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* Return taxonomies that need to be filtered ( post_format like ) |
| 316 |
* |
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* @since 1.7 |
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* |
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* @param bool $filter true if we should return only valid registered taxonomies |
| 320 |
* @return array array of registered taxonomy names |
| 321 |
*/ |
| 322 |
public function get_filtered_taxonomies( $filter = true ) { |
| 323 |
if ( did_action( 'after_setup_theme' ) ) { |
| 324 |
static $taxonomies = null; |
| 325 |
} |
| 326 |
|
| 327 |
if ( empty( $taxonomies ) ) { |
| 328 |
$taxonomies = array( 'post_format' => 'post_format' ); |
| 329 |
|
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/** |
| 331 |
* Filter the list of taxonomies not translatable but filtered by language. |
| 332 |
* Includes only the post format by default |
| 333 |
* The filter must be added soon in the WordPress loading process: |
| 334 |
* in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes. |
| 335 |
* |
| 336 |
* @since 1.7 |
| 337 |
* |
| 338 |
* @param array $taxonomies list of taxonomy names |
| 339 |
* @param bool $is_settings true when displaying the list of custom taxonomies in Polylang settings |
| 340 |
*/ |
| 341 |
$taxonomies = apply_filters( 'pll_filtered_taxonomies', $taxonomies, false ); |
| 342 |
} |
| 343 |
|
| 344 |
return $filter ? array_intersect( $taxonomies, get_taxonomies() ) : $taxonomies; |
| 345 |
} |
| 346 |
|
| 347 |
/** |
| 348 |
* Returns true if Polylang filters this taxonomy per language |
| 349 |
* |
| 350 |
* @since 1.7 |
| 351 |
* |
| 352 |
* @param string|array $tax taxonomy name or array of taxonomy names |
| 353 |
* @return bool |
| 354 |
*/ |
| 355 |
public function is_filtered_taxonomy( $tax ) { |
| 356 |
$taxonomies = $this->get_filtered_taxonomies( false ); |
| 357 |
return ( is_array( $tax ) && array_intersect( $tax, $taxonomies ) || in_array( $tax, $taxonomies ) ); |
| 358 |
} |
| 359 |
|
| 360 |
/** |
| 361 |
* Returns the query vars of all filtered taxonomies |
| 362 |
* |
| 363 |
* @since 1.7 |
| 364 |
* |
| 365 |
* @return array |
| 366 |
*/ |
| 367 |
public function get_filtered_taxonomies_query_vars() { |
| 368 |
$query_vars = array(); |
| 369 |
foreach ( $this->get_filtered_taxonomies() as $filtered_tax ) { |
| 370 |
$tax = get_taxonomy( $filtered_tax ); |
| 371 |
$query_vars[] = $tax->query_var; |
| 372 |
} |
| 373 |
return $query_vars; |
| 374 |
} |
| 375 |
|
| 376 |
/** |
| 377 |
* Create a default category for a language |
| 378 |
* |
| 379 |
* @since 1.2 |
| 380 |
* |
| 381 |
* @param object|string|int $lang language |
| 382 |
*/ |
| 383 |
public function create_default_category( $lang ) { |
| 384 |
$lang = $this->get_language( $lang ); |
| 385 |
|
| 386 |
// create a new category |
| 387 |
// FIXME this is translated in admin language when we would like it in $lang |
| 388 |
$cat_name = __( 'Uncategorized' ); |
| 389 |
$cat_slug = sanitize_title( $cat_name . '-' . $lang->slug ); |
| 390 |
$cat = wp_insert_term( $cat_name, 'category', array( 'slug' => $cat_slug ) ); |
| 391 |
|
| 392 |
// check that the category was not previously created ( in case the language was deleted and recreated ) |
| 393 |
$cat = isset( $cat->error_data['term_exists'] ) ? $cat->error_data['term_exists'] : $cat['term_id']; |
| 394 |
|
| 395 |
// set language |
| 396 |
$this->term->set_language( (int) $cat, $lang ); |
| 397 |
|
| 398 |
// this is a translation of the default category |
| 399 |
$default = (int) get_option( 'default_category' ); |
| 400 |
$translations = $this->term->get_translations( $default ); |
| 401 |
if ( empty( $translations ) ) { |
| 402 |
if ( $lg = $this->term->get_language( $default ) ) { |
| 403 |
$translations[ $lg->slug ] = $default; |
| 404 |
} |
| 405 |
else { |
| 406 |
$translations = array(); |
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
$this->term->save_translations( (int) $cat, $translations ); |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* It is possible to have several terms with the same name in the same taxonomy ( one per language ) |
| 415 |
* but the native term_exists will return true even if only one exists |
| 416 |
* so here the function adds the language parameter |
| 417 |
* |
| 418 |
* @since 1.4 |
| 419 |
* |
| 420 |
* @param string $term_name the term name |
| 421 |
* @param string $taxonomy taxonomy name |
| 422 |
* @param int $parent parent term id |
| 423 |
* @param string|object $language the language slug or object |
| 424 |
* @return null|int the term_id of the found term |
| 425 |
*/ |
| 426 |
public function term_exists( $term_name, $taxonomy, $parent, $language ) { |
| 427 |
global $wpdb; |
| 428 |
|
| 429 |
$term_name = trim( wp_unslash( $term_name ) ); |
| 430 |
|
| 431 |
$select = "SELECT t.term_id FROM $wpdb->terms AS t"; |
| 432 |
$join = " INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id"; |
| 433 |
$join .= $this->term->join_clause(); |
| 434 |
$where = $wpdb->prepare( ' WHERE tt.taxonomy = %s AND t.name = %s', $taxonomy, $term_name ); |
| 435 |
$where .= $this->term->where_clause( $this->get_language( $language ) ); |
| 436 |
|
| 437 |
if ( $parent > 0 ) { |
| 438 |
$where .= $wpdb->prepare( ' AND tt.parent = %d', $parent ); |
| 439 |
} |
| 440 |
|
| 441 |
return $wpdb->get_var( $select . $join . $where ); |
| 442 |
} |
| 443 |
|
| 444 |
/** |
| 445 |
* Gets the number of posts per language in a date, author or post type archive |
| 446 |
* |
| 447 |
* @since 1.2 |
| 448 |
* |
| 449 |
* @param object $lang |
| 450 |
* @param array $q WP_Query arguments ( accepted: post_type, m, year, monthnum, day, author, author_name, post_format ) |
| 451 |
* @return int |
| 452 |
*/ |
| 453 |
public function count_posts( $lang, $q = array() ) { |
| 454 |
global $wpdb; |
| 455 |
|
| 456 |
$q = wp_parse_args( $q, array( 'post_type' => 'post' ) ); |
| 457 |
|
| 458 |
if ( ! is_array( $q['post_type'] ) ) { |
| 459 |
$q['post_type'] = array( $q['post_type'] ); |
| 460 |
} |
| 461 |
|
| 462 |
foreach ( $q['post_type'] as $key => $type ) { |
| 463 |
if ( ! post_type_exists( $type ) ) { |
| 464 |
unset( $q['post_type'][ $key ] ); |
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
if ( empty( $q['post_type'] ) ) { |
| 469 |
$q['post_type'] = array( 'post' ); // we *need* a post type |
| 470 |
} |
| 471 |
|
| 472 |
$cache_key = md5( serialize( $q ) ); |
| 473 |
$counts = wp_cache_get( $cache_key, 'pll_count_posts' ); |
| 474 |
|
| 475 |
if ( false === $counts ) { |
| 476 |
$select = "SELECT pll_tr.term_taxonomy_id, COUNT( * ) AS num_posts FROM {$wpdb->posts}"; |
| 477 |
$join = $this->post->join_clause(); |
| 478 |
$where = " WHERE post_status = 'publish'"; |
| 479 |
$where .= sprintf( " AND {$wpdb->posts}.post_type IN ( '%s' )", join( "', '", esc_sql( $q['post_type'] ) ) ); |
| 480 |
$where .= $this->post->where_clause( $this->get_languages_list() ); |
| 481 |
$groupby = ' GROUP BY pll_tr.term_taxonomy_id'; |
| 482 |
|
| 483 |
if ( ! empty( $q['m'] ) ) { |
| 484 |
$q['m'] = '' . preg_replace( '|[^0-9]|', '', $q['m'] ); |
| 485 |
$where .= $wpdb->prepare( " AND YEAR( {$wpdb->posts}.post_date ) = %d", substr( $q['m'], 0, 4 ) ); |
| 486 |
if ( strlen( $q['m'] ) > 5 ) { |
| 487 |
$where .= $wpdb->prepare( " AND MONTH( {$wpdb->posts}.post_date ) = %d", substr( $q['m'], 4, 2 ) ); |
| 488 |
} |
| 489 |
if ( strlen( $q['m'] ) > 7 ) { |
| 490 |
$where .= $wpdb->prepare( " AND DAYOFMONTH( {$wpdb->posts}.post_date ) = %d", substr( $q['m'], 6, 2 ) ); |
| 491 |
} |
| 492 |
} |
| 493 |
|
| 494 |
if ( ! empty( $q['year'] ) ) { |
| 495 |
$where .= $wpdb->prepare( " AND YEAR( {$wpdb->posts}.post_date ) = %d", $q['year'] ); |
| 496 |
} |
| 497 |
|
| 498 |
if ( ! empty( $q['monthnum'] ) ) { |
| 499 |
$where .= $wpdb->prepare( " AND MONTH( {$wpdb->posts}.post_date ) = %d", $q['monthnum'] ); |
| 500 |
} |
| 501 |
|
| 502 |
if ( ! empty( $q['day'] ) ) { |
| 503 |
$where .= $wpdb->prepare( " AND DAYOFMONTH( {$wpdb->posts}.post_date ) = %d", $q['day'] ); |
| 504 |
} |
| 505 |
|
| 506 |
if ( ! empty( $q['author_name'] ) ) { |
| 507 |
$author = get_user_by( 'slug', sanitize_title_for_query( $q['author_name'] ) ); |
| 508 |
if ( $author ) { |
| 509 |
$q['author'] = $author->ID; |
| 510 |
} |
| 511 |
} |
| 512 |
|
| 513 |
if ( ! empty( $q['author'] ) ) { |
| 514 |
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $q['author'] ); |
| 515 |
} |
| 516 |
|
| 517 |
// filtered taxonomies ( post_format ) |
| 518 |
foreach ( $this->get_filtered_taxonomies_query_vars() as $tax_qv ) { |
| 519 |
|
| 520 |
if ( ! empty( $q[ $tax_qv ] ) ) { |
| 521 |
$join .= " INNER JOIN {$wpdb->term_relationships} AS tr ON tr.object_id = {$wpdb->posts}.ID"; |
| 522 |
$join .= " INNER JOIN {$wpdb->term_taxonomy} AS tt ON tt.term_taxonomy_id = tr.term_taxonomy_id"; |
| 523 |
$join .= " INNER JOIN {$wpdb->terms} AS t ON t.term_id = tt.term_id"; |
| 524 |
$where .= $wpdb->prepare( ' AND t.slug = %s', $q[ $tax_qv ] ); |
| 525 |
} |
| 526 |
} |
| 527 |
|
| 528 |
$res = $wpdb->get_results( $select . $join . $where . $groupby, ARRAY_A ); |
| 529 |
foreach ( (array) $res as $row ) { |
| 530 |
$counts[ $row['term_taxonomy_id'] ] = $row['num_posts']; |
| 531 |
} |
| 532 |
|
| 533 |
wp_cache_set( $cache_key, $counts, 'pll_count_posts' ); |
| 534 |
} |
| 535 |
|
| 536 |
return empty( $counts[ $lang->term_taxonomy_id ] ) ? 0 : $counts[ $lang->term_taxonomy_id ]; |
| 537 |
} |
| 538 |
|
| 539 |
/** |
| 540 |
* Setup the links model based on options |
| 541 |
* |
| 542 |
* @since 1.2 |
| 543 |
* |
| 544 |
* @return object implementing "links_model interface" |
| 545 |
*/ |
| 546 |
public function get_links_model() { |
| 547 |
$c = array( 'Directory', 'Directory', 'Subdomain', 'Domain' ); |
| 548 |
$class = get_option( 'permalink_structure' ) ? 'PLL_Links_' . $c[ $this->options['force_lang'] ] : 'PLL_Links_Default'; |
| 549 |
|
| 550 |
/** |
| 551 |
* Filter the links model class to use |
| 552 |
* /!\ this filter is fired *before* the $polylang object is available |
| 553 |
* |
| 554 |
* @since 2.1.1 |
| 555 |
* |
| 556 |
* @param string $class A class name: PLL_Links_Default, PLL_Links_Directory, PLL_Links_Subdomain, PLL_Links_Domain |
| 557 |
*/ |
| 558 |
$class = apply_filters( 'pll_links_model', $class ); |
| 559 |
|
| 560 |
return new $class( $this ); |
| 561 |
} |
| 562 |
|
| 563 |
/** |
| 564 |
* Some backward compatibility with Polylang < 1.8 |
| 565 |
* allows for example to call $polylang->model->get_post_languages( $post_id ) instead of $polylang->model->post->get_language( $post_id ) |
| 566 |
* this works but should be slower than the direct call, thus an error is triggered in debug mode |
| 567 |
* |
| 568 |
* @since 1.8 |
| 569 |
* |
| 570 |
* @param string $func Function name |
| 571 |
* @param array $args Function arguments |
| 572 |
*/ |
| 573 |
public function __call( $func, $args ) { |
| 574 |
$f = $func; |
| 575 |
|
| 576 |
switch ( $func ) { |
| 577 |
case 'get_object_term': |
| 578 |
$o = ( false === strpos( $args[1], 'term' ) ) ? 'post' : 'term'; |
| 579 |
break; |
| 580 |
|
| 581 |
case 'save_translations': |
| 582 |
case 'delete_translation': |
| 583 |
case 'get_translations': |
| 584 |
case 'get_translation': |
| 585 |
case 'join_clause': |
| 586 |
$o = ( 'post' == $args[0] || $this->is_translated_post_type( $args[0] ) ) ? 'post' : ( 'term' == $args[0] || $this->is_translated_taxonomy( $args[0] ) ? 'term' : false ); |
| 587 |
unset( $args[0] ); |
| 588 |
break; |
| 589 |
|
| 590 |
case 'set_post_language': |
| 591 |
case 'get_post_language': |
| 592 |
case 'set_term_language': |
| 593 |
case 'get_term_language': |
| 594 |
case 'delete_term_language': |
| 595 |
case 'get_post': |
| 596 |
case 'get_term': |
| 597 |
$str = explode( '_', $func ); |
| 598 |
$f = empty( $str[2] ) ? $str[0] : $str[0] . '_' . $str[2]; |
| 599 |
$o = $str[1]; |
| 600 |
break; |
| 601 |
|
| 602 |
case 'where_clause': |
| 603 |
case 'get_objects_in_language': |
| 604 |
$o = $args[1]; |
| 605 |
unset( $args[1] ); |
| 606 |
break; |
| 607 |
} |
| 608 |
|
| 609 |
if ( ! empty( $o ) && is_object( $this->$o ) && method_exists( $this->$o, $f ) ) { |
| 610 |
if ( WP_DEBUG ) { |
| 611 |
$debug = debug_backtrace(); |
| 612 |
$i = 1 + empty( $debug[1]['line'] ); // the file and line are in $debug[2] if the function was called using call_user_func |
| 613 |
|
| 614 |
trigger_error( sprintf( |
| 615 |
'%1$s was called incorrectly in %4$s on line %5$s: the call to $polylang->model->%1$s() has been deprecated in Polylang 1.8, use PLL()->model->%2$s->%3$s() instead.' . "\nError handler", |
| 616 |
$func, $o, $f, $debug[ $i ]['file'], $debug[ $i ]['line'] |
| 617 |
) ); |
| 618 |
} |
| 619 |
return call_user_func_array( array( $this->$o, $f ), $args ); |
| 620 |
} |
| 621 |
|
| 622 |
$debug = debug_backtrace(); |
| 623 |
trigger_error( sprintf( 'Call to undefined function PLL()->model->%1$s() in %2$s on line %3$s' . "\nError handler", $func, $debug[0]['file'], $debug[0]['line'] ), E_USER_ERROR ); |
| 624 |
} |
| 625 |
} |
| 626 |
|
