*/ class WPP_Loader { /** * The array of actions registered with WordPress. * * @since 4.0.0 * @access protected * @var array $actions The actions registered with WordPress to fire when the plugin loads. */ protected $actions; /** * The array of filters registered with WordPress. * * @since 4.0.0 * @access protected * @var array $filters The filters registered with WordPress to fire when the plugin loads. */ protected $filters; /** * The array of shortcodes registered with WordPress. * * @since 4.0.0 * @access protected * @var array $shortcodes The shortcodes registered with WordPress to fire when the plugin loads. */ protected $shortcodes; /** * Initialize the collections used to maintain the actions and filters. * * @since 4.0.0 */ public function __construct() { $this->actions = array(); $this->filters = array(); $this->shortcodes = array(); } /** * Add a new action to the collection to be registered with WordPress. * * @since 4.0.0 * @param string $hook The name of the WordPress action that is being registered. * @param object $component A reference to the instance of the object on which the action is defined. * @param string $callback The name of the function definition on the $component. * @param int $priority Optional. he priority at which the function should be fired. Default is 10. * @param int $accepted_args Optional. The number of arguments that should be passed to the $callback. Default is 1. */ public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) { $this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args ); } /** * Add a new filter to the collection to be registered with WordPress. * * @since 4.0.0 * @param string $hook The name of the WordPress filter that is being registered. * @param object $component A reference to the instance of the object on which the filter is defined. * @param string $callback The name of the function definition on the $component. * @param int $priority Optional. he priority at which the function should be fired. Default is 10. * @param int $accepted_args Optional. The number of arguments that should be passed to the $callback. Default is 1 */ public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) { $this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args ); } /** * Add a new shortcode to the collection to be registered with WordPress * * @since 4.0.0 * @param string $tag The name of the new shortcode. * @param object $component A reference to the instance of the object on which the shortcode is defined. * @param string $callback The name of the function that defines the shortcode. */ public function add_shortcode( $tag, $component, $callback) { $this->shortcodes = $this->add( $this->shortcodes, $tag, $component, $callback, 10, 2 ); } /** * A utility function that is used to register the actions and hooks into a single * collection. * * @since 4.0.0 * @access private * @param array $hooks The collection of hooks that is being registered (that is, actions or filters). * @param string $hook The name of the WordPress filter that is being registered. * @param object $component A reference to the instance of the object on which the filter is defined. * @param string $callback The name of the function definition on the $component. * @param int $priority The priority at which the function should be fired. * @param int $accepted_args The number of arguments that should be passed to the $callback. * @return array The collection of actions and filters registered with WordPress. */ private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) { $hooks[] = array( 'hook' => $hook, 'component' => $component, 'callback' => $callback, 'priority' => $priority, 'accepted_args' => $accepted_args ); return $hooks; } /** * Register the filters and actions with WordPress. * * @since 4.0.0 */ public function run() { foreach ( $this->filters as $hook ) { add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] ); } foreach ( $this->actions as $hook ) { add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] ); } foreach ( $this->shortcodes as $hook ) { add_shortcode( $hook['hook'], array( $hook['component'], $hook['callback'] ) ); } } }