wordpress/php-fpm/wordpress_files/plugins/polylang/include/base.php

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2020-05-22 03:40:23 +02:00
<?php
/**
* Base class for both admin and frontend
*
* @since 1.2
*/
abstract class PLL_Base {
public $links_model, $model, $options;
/**
* Constructor
*
* @since 1.2
*
* @param object $links_model
*/
public function __construct( &$links_model ) {
$this->links_model = &$links_model;
$this->model = &$links_model->model;
$this->options = &$this->model->options;
$GLOBALS['l10n_unloaded']['pll_string'] = true; // Short-circuit _load_textdomain_just_in_time() for 'pll_string' domain in WP 4.6+
add_action( 'widgets_init', array( $this, 'widgets_init' ) );
// User defined strings translations
add_action( 'pll_language_defined', array( $this, 'load_strings_translations' ), 5 );
add_action( 'change_locale', array( $this, 'load_strings_translations' ) ); // Since WP 4.7
// Switch_to_blog
add_action( 'switch_blog', array( $this, 'switch_blog' ), 10, 2 );
}
/**
* Instantiate classes always needed
*
* @since 2.6
*/
public function init() {
// REST API
if ( class_exists( 'PLL_REST_API' ) ) {
$this->rest_api = new PLL_REST_API( $this );
}
if ( $this->model->get_languages_list() ) {
// Used by content duplicate and post synchronization
if ( class_exists( 'PLL_Sync_Content' ) ) {
$this->sync_content = new PLL_Sync_Content( $this );
}
// Active languages
if ( class_exists( 'PLL_Active_Languages' ) ) {
$this->active_languages = new PLL_Active_Languages( $this );
}
// Share post slugs
if ( get_option( 'permalink_structure' ) && $this->options['force_lang'] && class_exists( 'PLL_Share_Post_Slug' ) ) {
$this->share_post_slug = new PLL_Share_Post_Slug( $this );
}
}
}
/**
* Registers our widgets
*
* @since 0.1
*/
public function widgets_init() {
register_widget( 'PLL_Widget_Languages' );
// Overwrites the calendar widget to filter posts by language
if ( ! defined( 'PLL_WIDGET_CALENDAR' ) || PLL_WIDGET_CALENDAR ) {
unregister_widget( 'WP_Widget_Calendar' );
register_widget( 'PLL_Widget_Calendar' );
}
}
/**
* Loads user defined strings translations
*
* @since 1.2
* @since 2.1.3 $locale parameter added.
*
* @param string $locale Locale. Defaults to current locale.
*/
public function load_strings_translations( $locale = '' ) {
if ( empty( $locale ) ) {
$locale = get_locale();
}
$language = $this->model->get_language( $locale );
if ( ! empty( $language ) ) {
$mo = new PLL_MO();
$mo->import_from_db( $language );
$GLOBALS['l10n']['pll_string'] = &$mo;
} else {
unset( $GLOBALS['l10n']['pll_string'] );
}
}
/**
* Resets some variables when switching blog
* Applies only if Polylang is active on the new blog
*
* @since 1.5.1
*
* @param int $new_blog
* @param int $old_blog
* @return bool not used by WP but by child class
*/
public function switch_blog( $new_blog, $old_blog ) {
$plugins = ( $sitewide_plugins = get_site_option( 'active_sitewide_plugins' ) ) && is_array( $sitewide_plugins ) ? array_keys( $sitewide_plugins ) : array();
$plugins = array_merge( $plugins, get_option( 'active_plugins', array() ) );
// 2nd test needed when Polylang is not networked activated
// 3rd test needed when Polylang is networked activated and a new site is created
if ( $new_blog != $old_blog && in_array( POLYLANG_BASENAME, $plugins ) && get_option( 'polylang' ) ) {
$this->options = get_option( 'polylang' ); // Needed for menus
remove_action( 'pre_option_rewrite_rules', array( $this->links_model, 'prepare_rewrite_rules' ) );
$this->links_model = $this->model->get_links_model();
return true;
}
return false;
}
/**
* Some backward compatibility with Polylang < 1.2
* Allows for example to call $polylang->get_languages_list() instead of $polylang->model->get_languages_list()
* This works but should be slower than the direct call, thus an error is triggered in debug mode
*
* @since 1.2
*
* @param string $func function name
* @param array $args function arguments
*/
public function __call( $func, $args ) {
foreach ( $this as $prop => &$obj ) {
if ( is_object( $obj ) && method_exists( $obj, $func ) ) {
if ( WP_DEBUG ) {
$debug = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions
$i = 1 + empty( $debug[1]['line'] ); // The file and line are in $debug[2] if the function was called using call_user_func
trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions
sprintf(
'%1$s was called incorrectly in %3$s on line %4$s: the call to $polylang->%1$s() has been deprecated in Polylang 1.2, use PLL()->%2$s->%1$s() instead.' . "\nError handler",
esc_html( $func ),
esc_html( $prop ),
esc_html( $debug[ $i ]['file'] ),
absint( $debug[ $i ]['line'] )
)
);
}
return call_user_func_array( array( $obj, $func ), $args );
}
}
$debug = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions
trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions
sprintf(
'Call to undefined function PLL()->%1$s() in %2$s on line %3$s' . "\nError handler",
esc_html( $func ),
esc_html( $debug[0]['file'] ),
absint( $debug[0]['line'] )
),
E_USER_ERROR
);
}
}