Ticket #27421: formatting.php.patch

formatting.php

@@ -2041 +2041 @@
 }
 
 /**
+ * Navigates through an array, object, or scalar, and adds slashes to the values.
+ *
+ * @since 4.4.3
+ *
+ * @param mixed $value The value to be slashed.
+ * @return mixed Slashed value.
+ */
+function addslashes_deep( $value ) {
+        return map_deep( $value, 'addslashes_to_strings_only' );
+}
+
+/**
+ * Callback function for `addslashes_deep()` which adds slashes to strings.
+ *
+ * @since 4.4.3
+ *
+ * @param mixed $value The array or string to be slashed.
+ * @return mixed $value The slashed value.
+ */
+function addslashes_to_strings_only( $value ) {
+        return is_string( $value ) ? addslashes( $value ) : $value;
+}
+
+/**
  * Navigates through an array, object, or scalar, and encodes the values to be used in a URL.
  *
  * @since 2.2.0
@@ -4394 +4418 @@
  * @return string|array Slashed $value
  */
 function wp_slash( $value ) {
-        if ( is_array( $value ) ) {
-                foreach ( $value as $k => $v ) {
-                        if ( is_array( $v ) ) {
-                                $value[$k] = wp_slash( $v );
-                        } else {
-                                $value[$k] = addslashes( $v );
-                        }
-                }
-        } else {
-                $value = addslashes( $value );
-        }
-
-        return $value;
+        return addslashes_deep( $value );
 }
 
 /**