Ticket #41810: 41810.2.diff

wp-includes/formatting.php

@@ -4715 +4715 @@
 }
 
 /**
+ * Sanitizes a checkbox or radio elements value.
+ *
+ * @since 4.9.0
+ *
+ * @param mixed $value Checkbox or radio value to sanitize.
+ * @return string Sanitized value.
+ */
+function sanitize_checkbox_radio( $value ) {
+        /* As checkboxes and radios can have custom values,
+         * we can't always return 'on'/'off' values each time. Instead
+         * we can sanitize the value using the text fields functions
+         * which will do everything we need it to.
+         */
+        $filtered = _sanitize_text_fields( $value, false );
+
+        /**
+         * Filters the value of a checkbox/radio.
+         * 
+         * @param string $filtered The sanitized checkbox value.
+         * @param mixed  $value    The checkbox before being sanitized.
+         */
+        return apply_filters( 'sanitize_checkbox_radio', $filtered, $value );
+}
+
+/**
  * Internal helper function to sanitize a string from user input or from the db
  *
  * @since 4.7.0