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<?php |
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|
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/** |
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* a language object is made of two terms in 'language' and 'term_language' taxonomies |
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* manipulating only one object per language instead of two terms should make things easier |
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* |
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* properties: |
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* term_id => id of term in 'language' taxonomy |
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* name => language name. Ex: English |
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* slug => language code used in url. Ex: en |
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* term_group => order of the language when displayed in a list of languages |
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* term_taxonomy_id => term taxonomy id in 'language' taxonomy |
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* taxonomy => 'language' |
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* description => language locale for backward compatibility |
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* parent => 0 / not used |
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* count => number of posts and pages in that language |
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* tl_term_id => id of the term in 'term_language' taxonomy |
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* tl_term_taxonomy_id => term taxonomy id in 'term_language' taxonomy |
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* tl_count => number of terms in that language ( not used by Polylang ) |
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* locale => WordPress language locale. Ex: en_US |
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* is_rtl => 1 if the language is rtl |
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* flag_code => code of the flag |
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* flag_url => url of the flag |
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* flag => html img of the flag |
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* custom_flag_url => url of the custom flag if exists, internal use only, moves to flag_url on frontend |
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* custom_flag => html img of the custom flag if exists, internal use only, moves to flag on frontend |
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* home_url => home url in this language |
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* search_url => home url to use in search forms |
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* host => host of this language |
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* mo_id => id of the post storing strings translations |
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* page_on_front => id of the page on front in this language ( set from pll_languages_list filter ) |
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* page_for_posts => id of the page for posts in this language ( set from pll_languages_list filter ) |
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* |
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* @since 1.2 |
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*/ |
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class PLL_Language { |
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public $term_id, $name, $slug, $term_group, $term_taxonomy_id, $taxonomy, $description, $parent, $count; |
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public $tl_term_id, $tl_term_taxonomy_id, $tl_count; |
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public $locale, $is_rtl; |
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public $flag_url, $flag; |
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public $home_url, $search_url; |
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public $host, $mo_id; |
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public $page_on_front, $page_for_posts; |
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|
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/** |
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* constructor: builds a language object given its two corresponding terms in language and term_language taxonomies |
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* |
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* @since 1.2 |
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* |
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* @param object|array $language 'language' term or language object properties stored as an array |
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* @param object $term_language Corresponding 'term_language' term |
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*/ |
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public function __construct( $language, $term_language = null ) { |
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// build the object from all properties stored as an array |
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if ( empty( $term_language ) ) { |
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foreach ( $language as $prop => $value ) { |
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$this->$prop = $value; |
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} |
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} |
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|
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// build the object from taxonomies |
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else { |
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foreach ( $language as $prop => $value ) { |
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$this->$prop = in_array( $prop, array( 'term_id', 'term_taxonomy_id', 'count' ) ) ? (int) $language->$prop : $language->$prop; |
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} |
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|
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// although it would be convenient here, don't assume the term is shared between taxonomies as it may not be the case in future |
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// http://make.wordpress.org/core/2013/07/28/potential-roadmap-for-taxonomy-meta-and-post-relationships/ |
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$this->tl_term_id = (int) $term_language->term_id; |
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$this->tl_term_taxonomy_id = (int) $term_language->term_taxonomy_id; |
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$this->tl_count = (int) $term_language->count; |
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|
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// the description field can contain any property |
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// backward compatibility for is_rtl |
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$description = maybe_unserialize( $language->description ); |
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foreach ( $description as $prop => $value ) { |
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'rtl' == $prop ? $this->is_rtl = $value : $this->$prop = $value; |
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} |
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|
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$this->description = &$this->locale; // backward compatibility with Polylang < 1.2 |
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|
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$this->mo_id = PLL_MO::get_id( $this ); |
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} |
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} |
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|
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/** |
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* sets flag_url and flag properties |
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* |
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* @since 1.2 |
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*/ |
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public function set_flag() { |
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$flags['flag']['url'] = ''; |
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|
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// Polylang builtin flags |
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if ( ! empty( $this->flag_code ) && file_exists( POLYLANG_DIR . ( $file = '/flags/' . $this->flag_code . '.png' ) ) ) { |
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$flags['flag']['url'] = esc_url_raw( plugins_url( $file, POLYLANG_FILE ) ); |
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|
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// if base64 encoded flags are preferred |
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if ( ! defined( 'PLL_ENCODED_FLAGS' ) || PLL_ENCODED_FLAGS ) { |
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$flags['flag']['src'] = 'data:image/png;base64,' . base64_encode( file_get_contents( POLYLANG_DIR . $file ) ); |
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} else { |
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$flags['flag']['src'] = esc_url( plugins_url( $file, POLYLANG_FILE ) ); |
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} |
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} |
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|
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// custom flags ? |
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if ( file_exists( PLL_LOCAL_DIR . ( $file = '/' . $this->locale . '.png' ) ) || file_exists( PLL_LOCAL_DIR . ( $file = '/' . $this->locale . '.jpg' ) ) ) { |
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$url = content_url( '/polylang' . $file ); |
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$flags['custom_flag']['url'] = esc_url_raw( $url ); |
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$flags['custom_flag']['src'] = esc_url( $url ); |
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} |
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|
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/** |
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* Filter the flag title attribute |
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* Defaults to the language name |
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* |
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* @since 0.7 |
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* |
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* @param string $title the flag title attribute |
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* @param string $slug the language code |
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* @param string $locale the language locale |
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*/ |
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$title = apply_filters( 'pll_flag_title', $this->name, $this->slug, $this->locale ); |
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|
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foreach ( $flags as $key => $flag ) { |
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$this->{$key . '_url'} = empty( $flag['url'] ) ? '' : $flag['url']; |
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|
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/** |
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* Filter the html markup of a flag |
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* |
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* @since 1.0.2 |
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* |
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* @param string $flag html markup of the flag or empty string |
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* @param string $slug language code |
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*/ |
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$this->{$key} = apply_filters( 'pll_get_flag', empty( $flag['src'] ) ? '' : |
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sprintf( |
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'<img src="%s" title="%s" alt="%s" />', |
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$flag['src'], |
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esc_attr( $title ), |
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esc_attr( $this->name ) |
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), |
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$this->slug |
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); |
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} |
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} |
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|
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/** |
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* replace flag by custom flag |
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* takes care of url scheme |
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* |
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* @since 1.7 |
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*/ |
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public function set_custom_flag() { |
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// overwrite with custom flags on frontend only |
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if ( ! empty( $this->custom_flag ) ) { |
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$this->flag = $this->custom_flag; |
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$this->flag_url = $this->custom_flag_url; |
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unset( $this->custom_flag, $this->custom_flag_url ); // hide this |
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} |
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|
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// set url scheme, also for default flags |
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if ( is_ssl() ) { |
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$this->flag = str_replace( 'http://', 'https://', $this->flag ); |
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$this->flag_url = str_replace( 'http://', 'https://', $this->flag_url ); |
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} else { |
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$this->flag = str_replace( 'https://', 'http://', $this->flag ); |
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$this->flag_url = str_replace( 'https://', 'http://', $this->flag_url ); |
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} |
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} |
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|
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/** |
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* updates post and term count |
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* |
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* @since 1.2 |
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*/ |
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public function update_count() { |
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wp_update_term_count( $this->term_taxonomy_id, 'language' ); // posts count |
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wp_update_term_count( $this->tl_term_taxonomy_id, 'term_language' ); // terms count |
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} |
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|
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/** |
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* set home_url and search_url properties |
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* |
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* @since 1.3 |
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* |
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* @param string $search_url |
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* @param string $home_url |
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*/ |
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public function set_home_url( $search_url, $home_url ) { |
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$this->search_url = $search_url; |
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$this->home_url = $home_url; |
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} |
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|
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/** |
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* set home_url scheme |
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* this can't be cached across pages |
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* |
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* @since 1.6.4 |
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*/ |
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public function set_home_url_scheme() { |
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if ( is_ssl() ) { |
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$this->home_url = str_replace( 'http://', 'https://', $this->home_url ); |
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$this->search_url = str_replace( 'http://', 'https://', $this->search_url ); |
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} |
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|
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else { |
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$this->home_url = str_replace( 'https://', 'http://', $this->home_url ); |
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$this->search_url = str_replace( 'https://', 'http://', $this->search_url ); |
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} |
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} |
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|
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/** |
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* returns the language locale |
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* converts WP locales to W3C valid locales for display |
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* @see #33511 |
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* |
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* @since 1.8 |
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* |
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* @param string $filter either 'display' or 'raw', defaults to raw |
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* @return string |
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*/ |
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public function get_locale( $filter = 'raw' ) { |
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if ( 'display' == $filter ) { |
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static $valid_locales = array( |
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'bel' => 'be', |
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'bre' => 'br', |
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'de_CH_informal' => 'de_CH', |
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'de_DE_formal' => 'de_DE', |
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'dzo' => 'dz', |
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'ido' => 'io', |
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'kin' => 'rw', |
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'oci' => 'oc', |
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'mri' => 'mi', |
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'nl_NL_formal' => 'nl_NL', |
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'roh' => 'rm', |
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'srd' => 'sc', |
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'tuk' => 'tk', |
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); |
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$locale = isset( $valid_locales[ $this->locale ] ) ? $valid_locales[ $this->locale ] : $this->locale; |
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return str_replace( '_', '-', $locale ); |
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} |
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return $this->locale; |
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} |
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} |
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|
