Viewing file:  base.php (3.9 KB) -rw-r--r--
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<?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 );
}
/**
* 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
*
* @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
$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();
$i = 1 + empty( $debug[1]['line'] ); // The file and line are in $debug[2] if the function was called using call_user_func
trigger_error( sprintf(
'%1$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",
$func, $prop, $debug[ $i ]['file'], $debug[ $i ]['line']
) );
}
return call_user_func_array( array( $obj, $func ), $args );
}
}
$debug = debug_backtrace();
trigger_error( sprintf( 'Call to undefined function PLL()->%1$s() in %2$s on line %3$s' . "\nError handler", $func, $debug[0]['file'], $debug[0]['line'] ), E_USER_ERROR );
}
}
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