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<?php
namespace WPForms\Integrations;
/**
* Class Loader gives ability to track/load all integrations.
*
* @since 1.4.8
*/
class Loader {
/**
* Get the instance of a class and store it in itself.
*
* @since 1.4.8
*/
public static function get_instance() {
static $instance;
if ( ! $instance ) {
$instance = new Loader();
}
return $instance;
}
/**
* Loader constructor.
*
* @since 1.4.8
*/
public function __construct() {
$core_class_names = array(
'Divi\Divi',
'Elementor\Elementor',
'Gutenberg\FormSelector',
'WPMailSMTP\Notifications',
'WPorg\Translations',
'UsageTracking\UsageTracking',
'TranslationsPress\Translations',
);
$class_names = \apply_filters( 'wpforms_integrations_available', $core_class_names );
foreach ( $class_names as $class_name ) {
$integration = $this->register_class( $class_name );
if ( ! empty( $integration ) ) {
$this->load_integration( $integration );
}
}
}
/**
* Load an integration.
*
* @param IntegrationInterface $integration Instance of an integration class.
*
* @since 1.4.8
*/
protected function load_integration( IntegrationInterface $integration ) {
if ( $integration->allow_load() ) {
$integration->load();
}
}
/**
* Register a new class.
*
* @since 1.5.6
*
* @param string $class_name Class name to register.
*
* @return IntegrationInterface Instance of class.
*/
public function register_class( $class_name ) {
$class_name = \sanitize_text_field( $class_name );
// Load Lite class if exists.
if ( ! \wpforms()->pro && \class_exists( 'WPForms\Lite\Integrations\\' . $class_name ) ) {
$class_name = 'WPForms\Lite\Integrations\\' . $class_name;
return new $class_name();
}
// Load Pro class if exists.
if ( \wpforms()->pro && \class_exists( 'WPForms\Pro\Integrations\\' . $class_name ) ) {
$class_name = 'WPForms\Pro\Integrations\\' . $class_name;
return new $class_name();
}
// Load general class if neither Pro nor Lite class exists.
if ( \class_exists( __NAMESPACE__ . '\\' . $class_name ) ) {
$class_name = __NAMESPACE__ . '\\' . $class_name;
return new $class_name();
}
}
}
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