Apostrophe for the field title causes an error and adds a "/" before it after saving

Resolves WPUserManager/wpum-custom-fields#65

@polevaultweb

This issue occurs to all fields. That is why I made changes on wp-user-manager rather than on the wpum-custom-fields. I added filter on both get_name() and get_description() functions from WPUM_Field class.

Author: reygcalantaol

includes/filters.php

@@ -329,3 +329,9 @@ function wpum_maybe_display_field( $display, $field = null ) {
 
 	return count( array_intersect( wp_get_current_user()->roles, $field_roles ) ) > 0;
 }
+
+function wpum_removed_slashes_from_fields( $field_name ){
+	return wpum_removed_slashes( $field_name );
+}
+add_filter( 'wpum_get_name', 'wpum_removed_slashes_from_fields' );
+add_filter( 'wpum_get_description', 'wpum_removed_slashes_from_fields' );

includes/functions.php

@@ -1409,3 +1409,11 @@ function wpum_get_display_name_options() {
 		),
 	);
 }
+
+function wpum_removed_slashes( $content ) {
+    $content = preg_replace( "/\\\+'/", "'", $content );
+    $content = preg_replace( '/\\\+"/', '"', $content );
+    $content = preg_replace( '/\\\+/', '\\', $content );
+ 
+    return $content;
+}

includes/wpum-fields/class-wpum-field.php

@@ -261,7 +261,7 @@ public function get_field_order() {
 	 * @return void
 	 */
 	public function get_name() {
-		return $this->name;
+		return apply_filters( 'wpum_get_name', $this->name );
 	}
 
 	/**
@@ -279,7 +279,7 @@ public function get_type() {
 	 * @return void
 	 */
 	public function get_description() {
-		return $this->description;
+		return apply_filters( 'wpum_get_description', $this->description );
 	}
 
 	/**