set_data()) and getter ($this->get_data()) of this class. * * @var array */ private $global_data = array(); /** * This method is executed immediately after the instance of the class is created. */ public function init() { } /** * This method set data to global array. * If key exist return false. * * @param string $prop key for global data array. * @param string $value value for global data array. */ public function set_data( $prop, $value = '' ) { $this->global_data[ $prop ] = $value; } /** * This method get data by key. * If data not exist return false. * * @param string $prop key for global data array. * * @return false|mixed */ public function get_data( $prop ) { if ( array_key_exists( $prop, $this->global_data ) ) { return $this->global_data[ $prop ]; } return false; } }