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<?php |
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|
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class Polylang_Base { |
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|
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// returns the query variables of the referer |
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function get_referer_vars() { |
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$qvars = array(); |
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$referer = wp_get_referer(); |
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if ($referer) { |
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$urlparts = parse_url($referer); |
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if (isset($urlparts['query'])) { |
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parse_str($urlparts['query'], $qvars); |
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} |
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} |
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return $qvars; |
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} |
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|
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// returns the list of available languages |
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function get_languages_list($hide_empty = false) { |
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return get_terms('language', array('hide_empty'=>$hide_empty)); |
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} |
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|
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// returns the language by its id or its slug |
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// Note ist seems that the first option is better for performance (3.2.1) |
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function get_language($value) { |
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if (is_numeric($value)) |
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return get_term($value, 'language'); |
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elseif (is_string($value)) |
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return get_term_by('slug', $value , 'language'); |
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return null; |
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} |
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|
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// returns the language of a post |
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function get_post_language($post_id) { |
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$lang = get_the_terms($post_id, 'language' ); |
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return ($lang) ? reset($lang) : null; // there's only one language per post : first element of the array returned |
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} |
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|
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// returns the id of the translation of a post |
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function get_translated_post($post_id, $language) { |
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return get_post_meta($post_id, '_lang-'.$language->slug, true); |
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} |
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|
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// among the post and its translations, returns the id of the post which is in $language |
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function get_post($post_id, $language) { |
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$lang = $this->get_post_language($post_id); |
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return $lang->slug == $language->slug ? $post_id : $this->get_translated_post($post_id, $language); |
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} |
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|
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// returns the language of a term |
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function get_term_language($term_id) { |
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return $this->get_language(get_metadata('term', $term_id, '_language', true)); |
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} |
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|
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// returns the id of the translation of a term (category, post tag or custom taxonomy) |
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function get_translated_term($term_id, $language) { |
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return get_metadata('term', $term_id, '_lang-'.$language->slug, true); // since WP 2.9 |
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} |
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|
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} //class Polylang_Base |
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?> |
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|
