File Content: footer.php <?php /** * System for printing extra scripts, etc in footer, per form * * Should be used through Caldera_Forms_Render_Util::add_inline_data() which acts as factory, container for these objects, by form ID and a way to add to tracked objects. * * @package Caldera_Forms * @author Josh Pollock <Josh@CalderaWP.com> * @license GPL-2.0+ * @link * @copyright 2016 CalderaWP LLC */ class Caldera_Forms_Render_Footer { /** * Form config * * @since 1.5.0 * * @var array */ protected $form; /** * * @since 1.5.0 * * @var array */ protected $data; /** * Tracks if output has occurred yet. * * @since 1.5.0 * * @var bool */ protected $printed; /** * Caldera_Forms_Render_Footer constructor. * * @since 1.5.0 * * @param array $form */ public function __construct( array $form ) { $this->form = $form; $this->data = array(); $this->printed = false; if ( ! is_admin() ) { add_action( 'wp_footer', array( $this, 'print_data' ), 1000 ); } else { add_action( 'admin_footer', array( $this, 'print_data' ), 1000 ); } } /** * Remove hooks for this object * * @since 1.5.0 */ public function remove_hooks(){ if ( ! is_admin() ) { remove_action( 'wp_footer', array( $this, 'print_data' ), 1000 ); } else { remove_action( 'admin_footer', array( $this, 'print_data' ), 1000 ); } } /** * Get the data to print in footer as a string * * @since 1.5.6 * * @return string */ public function get_data_as_string( ){ if( ! empty( $this->data ) ) { return implode( "\n", $this->data ); } return ''; } /** * Add a string to be printed * * @since 1.5.0 * * @param string $data Content to print * * @return bool True if added, false if not */ public function add_data( $data ){ if( false == $this->printed && is_string( $data ) ){ $this->data[] = $data; return true; } return false; } /** * Print data * * @uses "wp_footer" or "admin_footer" action * * @since 1.5.0 */ public function print_data(){ echo $this->get_data_as_string(); $this->printed = true; } } Submit