update

wp-content/plugins/password-protect-page/includes/addons/beaver-builder/class-ppw-beaver-loader.php

@@ -0,0 +1,67 @@
+<?php
+
+class PPW_Beaver_Loader {
+	/**
+	 * Instance of PPW_Beaver_Loader class.
+	 *
+	 * @var PPW_Beaver_Loader
+	 */
+	protected static $instance = null;
+
+	/**
+	 * PPW_Beaver_Loader constructor.
+	 */
+	public function __construct() {
+		add_action( 'plugins_loaded', array( $this, 'setup_hooks' ) );
+	}
+
+	/**
+	 * Setup hooks.
+	 */
+	public function setup_hooks() {
+		if ( ! class_exists( 'FLBuilder' ) ) {
+			return;
+		}
+
+		add_filter( 'fl_builder_custom_fields', array( $this, 'register_fields' ) );
+
+		// Load custom modules.
+		add_action( 'init', array( $this, 'load_modules' ) );
+	}
+
+	/**
+	 * Get instance
+	 *
+	 * @return PPW_Beaver_Loader
+	 */
+	public static function get_instance() {
+		if ( is_null( self::$instance ) ) {
+			// Use static instead of self due to the inheritance later.
+			// For example: ChildSC extends this class, when we call get_instance
+			// it will return the object of child class. On the other hand, self function
+			// will return the object of base class.
+			self::$instance = new static();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * Load modules
+	 */
+	public function load_modules() {
+		require_once __DIR__ . '/modules/ppw-individual-page/class-ppw-module.php';
+	}
+
+	/**
+	 * Register custom fields.
+	 *
+	 * @param array $fields Fields.
+	 *
+	 * @return array Fields.
+	 */
+	public function register_fields( $fields ) {
+		$fields['input-number'] = PPW_DIR_PATH . 'includes/addons/beaver-builder/fields/input-number.php';
+		return $fields;
+	}
+}