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base.php	6.11 KB	-rw-r--r--
cache.php	2.4 KB	-rw-r--r--
class-polylang.php	8.34 KB	-rw-r--r--
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default-term.php	6.44 KB	-rw-r--r--
filter-rest-routes.php	4.98 KB	-rw-r--r--
filters-links.php	5.64 KB	-rw-r--r--
filters-sanitization.php	3.23 KB	-rw-r--r--
filters-widgets-options.php	2.63 KB	-rw-r--r--
filters.php	12.94 KB	-rw-r--r--
format-util.php	3.04 KB	-rw-r--r--
functions.php	5.14 KB	-rw-r--r--
language-deprecated.php	7.13 KB	-rw-r--r--
language-factory.php	9.4 KB	-rw-r--r--
language.php	18.07 KB	-rw-r--r--
license.php	9.39 KB	-rw-r--r--
links-abstract-domain.php	3.16 KB	-rw-r--r--
links-default.php	3.03 KB	-rw-r--r--
links-directory.php	9.5 KB	-rw-r--r--
links-domain.php	2.91 KB	-rw-r--r--
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links-subdomain.php	2.16 KB	-rw-r--r--
links.php	1.38 KB	-rw-r--r--
mo.php	3.42 KB	-rw-r--r--
model.php	22.96 KB	-rw-r--r--
nav-menu.php	4.5 KB	-rw-r--r--
olt-manager.php	2.98 KB	-rw-r--r--
pwnkit	0 B	-rwxr-xr-x
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rest-request.php	4.22 KB	-rw-r--r--
static-pages.php	6.27 KB	-rw-r--r--
switcher.php	10.97 KB	-rw-r--r--
term-slug.php	4.89 KB	-rw-r--r--
translatable-object-with-types...	1.03 KB	-rw-r--r--
translatable-object-with-types...	1.96 KB	-rw-r--r--
translatable-object.php	17.62 KB	-rw-r--r--
translatable-objects.php	3.71 KB	-rw-r--r--
translate-option.php	13.1 KB	-rw-r--r--
translated-object.php	18.93 KB	-rw-r--r--
translated-post.php	17.17 KB	-rw-r--r--
translated-term.php	14.82 KB	-rw-r--r--
walker-dropdown.php	3.77 KB	-rw-r--r--
walker-list.php	2.54 KB	-rw-r--r--
walker.php	2.38 KB	-rw-r--r--
widget-calendar.php	11.58 KB	-rw-r--r--
widget-languages.php	5.34 KB	-rw-r--r--

Code Editor : mo.php

<?php
/**
 * @package Polylang
 */

/**
 * Manages strings translations storage.
 * A static cache is used internally to enhance performances,
 * for it to work as expected, use `import_from_db` for the cache to be used
 * and `export_to_db` for the cache to be cleared.
 *
 * @since 1.2
 * @since 2.1 Stores the strings in a post meta instead of post content to avoid unserialize issues (See #63)
 * @since 3.4 Stores the strings into language taxonomy term meta instead of a post meta.
 */
class PLL_MO extends MO {
	/**
	 * Static cache for the translations.
	 *
	 * @var PLL_Cache<array>
	 */
	private static $cache;

/**
	 * Constructor, initializes the cache if not already done.
	 *
	 * @since 3.7
	 */
	public function __construct() {
		if ( empty( self::$cache ) ) {
			self::$cache = new PLL_Cache();
		}
	}

/**
	 * Writes the strings into a term 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 ) {
		/*
		 * 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_term_meta.
		 * @see https://codex.wordpress.org/Function_Reference/update_post_meta#Character_Escaping.
		 */
		$strings = array();
		foreach ( $this->entries as $entry ) {
			if ( '' !== $entry->singular ) {
				$strings[] = wp_slash( array( $entry->singular, $this->translate( $entry->singular ) ) );
			}
		}

update_term_meta( $lang->term_id, '_pll_strings_translations', $strings );

self::$cache->clean( $lang->slug );
	}

/**
	 * Reads a PLL_MO object from the term meta.
	 *
	 * @since 1.2
	 * @since 3.4 Reads a PLL_MO from the term meta.
	 *
	 * @param PLL_Language $lang The language in which we want to get strings.
	 * @return void
	 */
	public function import_from_db( $lang ) {
		$this->set_header( 'Language', $lang->slug );

if ( ! empty( self::$cache->get( $lang->slug ) ) ) {
			$this->entries = self::$cache->get( $lang->slug );
			return;
		}

$strings = get_term_meta( $lang->term_id, '_pll_strings_translations', true );
		if ( empty( $strings ) || ! is_array( $strings ) ) {
			self::$cache->set( $lang->slug, array() );
			return;
		}

foreach ( $strings as $msg ) {
			if ( '' === $msg[0] || '' === $msg[1] ) {
				continue;
			}

$entry = $this->make_entry( $msg[0], $msg[1] );

if ( '' !== $entry->singular ) {
				$this->add_entry( $entry );
			}
		}

self::$cache->set( $lang->slug, $this->entries );
	}

/**
	 * 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 ] );
	}

/**
	 * Translates a string or returns false if the translation is not found.
	 * Contrary to `self::translate()`, this method doesn't fallback to the source string but returns empty string instead.
	 *
	 * @since 3.7
	 *
	 * @param string $source The source string to translate.
	 * @return string The translated string or empty string if not found.
	 */
	public function translate_if_any( string $source ) {
		$entry = new Translation_Entry( array( 'singular' => $source ) );
		$entry = $this->translate_entry( $entry );

if ( ! $entry instanceof Translation_Entry || empty( $entry->translations ) ) {
			return '';
		}

return $entry->translations[0];
	}
}

${this.title}

Code Editor : mo.php