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<?php
/**
* Register all actions and filters for the plugin
*
* @link http://www.pathomation.com
* @since 2.0.0
*
* @package Pma_Wordpress
* @subpackage Pma_Wordpress/includes
*/
/**
* Register all actions and filters for the plugin.
*
* Maintain a list of all hooks that are registered throughout
* the plugin, and register them with the WordPress API. Call the
* run function to execute the list of actions and filters.
*
* @package Pma_Wordpress
* @subpackage Pma_Wordpress/includes
* @author Pathomation <info@pathomation.com>
*/
class Pma_Wordpress_Loader {
/**
* The array of actions registered with WordPress.
*
* @since 2.0.0
* @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 2.0.0
* @access protected
* @var array $filters The filters registered with WordPress to fire when the plugin loads.
*/
protected $filters;
/**
* Initialize the collections used to maintain the actions and filters.
*
* @since 2.0.0
*/
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 2.0.0
* @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. The 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 2.0.0
* @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. The 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 );
}
public function add_shortcode( $tag, $component, $callback, $priority = 10, $accepted_args = 2 ) {
$this->shortcodes = $this->add( $this->shortcodes, $tag, $component, $callback, $priority, $accepted_args );
}
/**
* A utility function that is used to register the actions and hooks into a single
* collection.
*
* @since 2.0.0
* @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 2.0.0
*/
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'] ));
}
}
}