Current File : /var/www/arphotolab.eco-n-tech.co.uk/wp-content/plugins/polylang/include/mo.php
<?php
/**
* @package Polylang
*/
/**
* Manages strings translations storage
*
* @since 1.2
* @since 2.1 Stores the strings in a post meta instead of post content to avoid unserialize issues (See #63)
*/
class PLL_MO extends MO {
/**
* Registers the polylang_mo custom post type, only at first object creation
*
* @since 1.2
*/
public function __construct() {
if ( ! post_type_exists( 'polylang_mo' ) ) {
$labels = array( 'name' => __( 'Strings translations', 'polylang' ) );
register_post_type( 'polylang_mo', array( 'labels' => $labels, 'rewrite' => false, 'query_var' => false, '_pll' => true ) );
add_action( 'pll_add_language', array( $this, 'clean_cache' ) );
}
}
/**
* Writes a PLL_MO object into a custom post meta.
*
* @since 1.2
*
* @param PLL_Language $lang The language in which we want to export strings.
* @return void
*/
public function export_to_db( $lang ) {
$this->add_entry( $this->make_entry( '', '' ) ); // Empty string translation, just in case
/*
* It would be convenient to store the whole object but it would take a huge space in DB.
* So let's keep only the strings in an array.
* The strings are slashed to avoid breaking slashed strings in update_post_meta.
* @see https://codex.wordpress.org/Function_Reference/update_post_meta#Character_Escaping.
*/
$strings = array();
foreach ( $this->entries as $entry ) {
$strings[] = wp_slash( array( $entry->singular, $this->translate( $entry->singular ) ) );
}
if ( empty( $lang->mo_id ) ) {
$post = array(
'post_title' => 'polylang_mo_' . $lang->term_id,
'post_status' => 'private', // To avoid a conflict with WP Super Cache. See https://wordpress.org/support/topic/polylang_mo-and-404s-take-2
'post_type' => 'polylang_mo',
);
$mo_id = wp_insert_post( $post );
update_post_meta( $mo_id, '_pll_strings_translations', $strings );
} else {
update_post_meta( $lang->mo_id, '_pll_strings_translations', $strings );
}
}
/**
* Reads a PLL_MO object from a custom post meta.
*
* @since 1.2
*
* @param PLL_Language $lang The language in which we want to get strings.
* @return void
*/
public function import_from_db( $lang ) {
if ( ! empty( $lang->mo_id ) ) {
$strings = get_post_meta( $lang->mo_id, '_pll_strings_translations', true );
if ( is_array( $strings ) ) {
foreach ( $strings as $msg ) {
$this->add_entry( $this->make_entry( $msg[0], $msg[1] ) );
}
}
}
}
/**
* Returns the post id of the post storing the strings translations.
*
* @since 1.4
*
* @param PLL_Language $lang The language object.
* @return int
*/
public static function get_id( $lang ) {
global $wpdb;
$ids = wp_cache_get( 'polylang_mo_ids' );
if ( empty( $ids ) ) {
$ids = $wpdb->get_results( "SELECT post_title, ID FROM $wpdb->posts WHERE post_type='polylang_mo'", OBJECT_K );
wp_cache_add( 'polylang_mo_ids', $ids );
}
// The mo id for a language can be transiently empty
return isset( $ids[ 'polylang_mo_' . $lang->term_id ] ) ? $ids[ 'polylang_mo_' . $lang->term_id ]->ID : null;
}
/**
* Invalidate the cache when adding a new language
*
* @since 2.0.5
*
* @return void
*/
public function clean_cache() {
wp_cache_delete( 'polylang_mo_ids' );
}
/**
* Deletes a string
*
* @since 2.9
*
* @param string $string The source string to remove from the translations.
* @return void
*/
public function delete_entry( $string ) {
unset( $this->entries[ $string ] );
}
}
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