Remove stripslashes and add filter doc

Author: dannyvankooten

includes/class-form-manager.php

@@ -192,7 +192,13 @@ public function form( $atts = array(), $content = '' ) {
 			// allow plugins to add form fieldsq
 			do_action( 'mc4wp_before_form_fields', 0 );
 
-			// allow plugins to alter form content
+			/**
+			 * @filter mc4wp_form_content
+			 * @param int $form_id The ID of the form that is being shown
+			 * @expects string
+			 *
+			 * Can be used to customize the content of the form mark-up, eg adding additional fields.
+			 */
 			$content .= apply_filters( 'mc4wp_form_content', $form_markup );
 
 			// allow plugins to add form fields
@@ -232,6 +238,7 @@ public function form( $atts = array(), $content = '' ) {
 	 */
 	private function get_form_message_html( $form_id = 0 ) {
 
+		// don't show message if form wasn't submitted
 		if( ! is_object( $this->form_request ) ) {
 			return '';
 		}

includes/class-form-request.php

@@ -175,15 +175,15 @@ private function format_groupings_data( $data ) {
 			if ( is_numeric( $grouping_id_or_name ) ) {
 				$grouping['id'] = $grouping_id_or_name;
 			} else {
-				$grouping['name'] = stripslashes( $grouping_id_or_name );
+				$grouping['name'] = $grouping_id_or_name;
 			}
 
 			// comma separated list should become an array
 			if( ! is_array( $groups ) ) {
 				$groups = explode( ',', $groups );
 			}
 
-			$grouping['groups'] = array_map( 'stripslashes', $groups );
+			$grouping['groups'] = $groups;
 
 			// add grouping to array
 			$sanitized_data[] = $grouping;