*/ class CF7BS_Alert extends CF7BS_Component { public function open( $echo = true ) { $output = apply_filters( 'cf7bs_bootstrap_alert_open', '', $this->args ); if ( empty( $output ) ) { $output = ''; extract( $this->args ); $type = $this->validate_type( $type ); if ( ! empty( $class ) ) { $class .= ' '; } $class .= 'alert'; if ( ! empty( $type ) ) { $class .= ' alert-' . $type; } if ( $dismissable ) { $class .= ' alert-dismissable'; } $output .= ''; } if ( $echo ) { echo $output; } return $output; } protected function validate_args( $args, $exclude = array() ) { $args = parent::validate_args( $args, $exclude ); return $args; } protected function get_defaults() { $defaults = array( 'type' => 'default', 'class' => '', 'dismissable' => false, 'hide' => false, ); return apply_filters( 'cf7bs_bootstrap_alert_defaults', $defaults ); } private function validate_type( $type ) { $whitelist = array( 'success', 'info', 'warning', 'danger' ); if ( ! in_array( $type, $whitelist ) ) { $type = ''; } return $type; } }