Current File : /var/www/arphotolab.eco-n-tech.co.uk/wp-content/plugins/polylang/modules/wpml/wpml-compat.php
<?php
/**
* @package Polylang
*/
/**
* WPML Compatibility class
* Defines some WPML constants
* Registers strings in a persistent way as done by WPML
*
* @since 1.0.2
*/
class PLL_WPML_Compat {
/**
* Singleton instance
*
* @var PLL_WPML_Compat
*/
protected static $instance;
/**
* Stores the strings registered with the WPML API.
*
* @var array
*/
protected static $strings;
/**
* @var PLL_WPML_API
*/
public $api;
/**
* Constructor
*
* @since 1.0.2
*/
protected function __construct() {
// Load the WPML API
require_once __DIR__ . '/wpml-legacy-api.php';
$this->api = new PLL_WPML_API();
self::$strings = get_option( 'polylang_wpml_strings', array() );
add_action( 'pll_language_defined', array( $this, 'define_constants' ) );
add_action( 'pll_no_language_defined', array( $this, 'define_constants' ) );
add_filter( 'pll_get_strings', array( $this, 'get_strings' ) );
}
/**
* Access to the single instance of the class
*
* @since 1.7
*
* @return PLL_WPML_Compat
*/
public static function instance() {
if ( empty( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Defines two WPML constants once the language has been defined
* The compatibility with WPML is not perfect on admin side as the constants are defined
* in 'setup_theme' by Polylang ( based on user info ) and 'plugins_loaded' by WPML ( based on cookie )
*
* @since 0.9.5
*
* @return void
*/
public function define_constants() {
if ( ! empty( PLL()->curlang ) ) {
if ( ! defined( 'ICL_LANGUAGE_CODE' ) ) {
define( 'ICL_LANGUAGE_CODE', PLL()->curlang->slug );
}
if ( ! defined( 'ICL_LANGUAGE_NAME' ) ) {
define( 'ICL_LANGUAGE_NAME', PLL()->curlang->name );
}
} elseif ( ! PLL() instanceof PLL_Frontend ) {
if ( ! defined( 'ICL_LANGUAGE_CODE' ) ) {
define( 'ICL_LANGUAGE_CODE', 'all' );
}
if ( ! defined( 'ICL_LANGUAGE_NAME' ) ) {
define( 'ICL_LANGUAGE_NAME', '' );
}
}
}
/**
* Unlike pll_register_string, icl_register_string stores the string in database
* so we need to do the same as some plugins or themes may expect this
* we use a serialized option to do this
*
* @since 1.0.2
*
* @param string $context The group in which the string is registered.
* @param string $name A unique name for the string.
* @param string $string The string to register.
* @return void
*/
public function register_string( $context, $name, $string ) {
if ( ! $string || ! is_scalar( $string ) ) {
return;
}
// If a string has already been registered with the same name and context, let's replace it.
$exist_string = $this->get_string_by_context_and_name( $context, $name );
if ( $exist_string && $exist_string !== $string ) {
$languages = PLL()->model->get_languages_list();
// Assign translations of the old string to the new string, except for the default language.
foreach ( $languages as $language ) {
if ( pll_default_language() !== $language->slug ) {
$mo = new PLL_MO();
$mo->import_from_db( $language );
$mo->add_entry( $mo->make_entry( $string, $mo->translate( $exist_string ) ) );
$mo->export_to_db( $language );
}
}
$this->unregister_string( $context, $name );
}
// Registers the string if it does not exist yet (multiline as in WPML).
$to_register = array( 'context' => $context, 'name' => $name, 'string' => $string, 'multiline' => true, 'icl' => true );
if ( ! in_array( $to_register, self::$strings ) ) {
$key = md5( "$context | $name" );
self::$strings[ $key ] = $to_register;
update_option( 'polylang_wpml_strings', self::$strings );
}
}
/**
* Removes a string from the registered strings list
*
* @since 1.0.2
*
* @param string $context The group in which the string is registered.
* @param string $name A unique name for the string.
* @return void
*/
public function unregister_string( $context, $name ) {
$key = md5( "$context | $name" );
if ( isset( self::$strings[ $key ] ) ) {
unset( self::$strings[ $key ] );
update_option( 'polylang_wpml_strings', self::$strings );
}
}
/**
* Adds strings registered by icl_register_string to those registered by pll_register_string
*
* @since 1.0.2
*
* @param array $strings existing registered strings
* @return array registered strings with added strings through WPML API
*/
public function get_strings( $strings ) {
return empty( self::$strings ) ? $strings : array_merge( $strings, self::$strings );
}
/**
* Get a registered string by its context and name
*
* @since 2.0
*
* @param string $context The group in which the string is registered.
* @param string $name A unique name for the string.
* @return bool|string The registered string, false if none was found.
*/
public function get_string_by_context_and_name( $context, $name ) {
$key = md5( "$context | $name" );
return isset( self::$strings[ $key ] ) ? self::$strings[ $key ]['string'] : false;
}
}
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