components/Pages.php
public function get_meta( $_null, $post_ID = null, $meta_key = null, $single = false ) {

		if ( 'code' === $meta_key ) {
			$post = get_post( $post_ID );

			if ( is_object( $post ) && $this->object_type == $post->post_type ) {
				return $post->post_content;
			}
		}

		return $_null;
	}
public function get_meta( $_null, $post_ID = null, $meta_key = null, $single = false ) {

		if ( 'code' === $meta_key ) {
			$post = get_post( $post_ID );

			if ( is_object( $post ) && $this->object_type == $post->post_type ) {
				return $post->post_content;
			}
		}

		return $_null;
	}
public function get_meta ( $ _null , $ post_ID = null , $ meta_key = null , $ single = false ) { if ( 'code' === $ meta_key ) { $ post = get_post ( $ post_ID ) ; if ( is_object ( $ post ) && $ this -> object_type == $ post -> post_type ) { return $ post -> post_content ; } } return $ _null ; }
Get the fields

@param null   $_null
@param int    $post_ID
@param string $meta_key
@param bool   $single

@return array|bool|int|mixed|null|string|void
Get the fields