Helix_Website/wp-content/plugins/wp-event-manager/forms/wp-event-manager-forms.php

108 lines
2.0 KiB
PHP

<?php
/**
* WP_Event_Manager_Forms class.
*/
class WP_Event_Manager_Forms {
/**
* The single instance of the class.
*
* @var self
* @since 2.5
*/
private static $_instance = null;
/**
* Allows for accessing single instance of class. Class should only be constructed once per call.
*
* @since 2.5
* @static
* @return self Main instance.
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Constructor
*/
public function __construct() {
add_action( 'init', array( $this, 'load_posted_form' ) );
}
/**
* If a form was posted, load its class so that it can be processed before display.
*/
public function load_posted_form() {
if ( ! empty( $_POST['event_manager_form'] ) ) {
$this->load_form_class( sanitize_title( $_POST['event_manager_form'] ) );
}
}
/**
* Load a form's class
*
* @param string $form_name
* @return string class name on success, false on failure
*/
private function load_form_class( $form_name ) {
if ( ! class_exists( 'WP_Event_Manager_Form' ) ) {
include 'wp-event-manager-form-abstract.php';
}
// Now try to load the form_name
$form_class = 'WP_Event_Manager_Form_' . str_replace( '-', '_', $form_name );
$form_file = EVENT_MANAGER_PLUGIN_DIR . '/forms/wp-event-manager-form-' . $form_name . '.php';
if ( class_exists( $form_class ) ) {
return call_user_func( array( $form_class, 'instance' ) );
}
if ( ! file_exists( $form_file ) ) {
return false;
}
if ( ! class_exists( $form_class ) ) {
include $form_file;
}
// Init the form
return call_user_func( array( $form_class, 'instance' ) );
}
/**
* get_form function.
*
* @param string $form_name
* @param array $atts Optional passed attributes
* @return string
*/
public function get_form( $form_name, $atts = array() ) {
if ( $form = $this->load_form_class( $form_name ) ) {
ob_start();
$form->output( $atts );
return ob_get_clean();
}
}
}