1 files changed, 41 insertions, 25 deletions
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index b67139e14..758eb94c6 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -1431,15 +1431,7 @@ function drupal_unpack($obj, $field = 'data') {
  *   A string containing the English string to translate.
  * @param $args
  *   An associative array of replacements to make after translation.
- *   Occurrences in $string of any key in $args are replaced with the
- *   corresponding value, after sanitization. The sanitization function depends
- *   on the first character of the key:
- *   - !variable: Inserted as is. Use this for text that has already been
- *     sanitized.
- *   - @variable: Escaped to HTML using check_plain(). Use this for anything
- *     displayed on a page on the site.
- *   - %variable: Escaped as a placeholder for user-submitted content using
- *     drupal_placeholder(), which shows up as <em>emphasized</em> text.
+ *   See format_string().
  * @param $options
  *   An associative array of additional options, with the following elements:
  *   - 'langcode' (defaults to the current language): The language code to
@@ -1485,26 +1477,50 @@ function t($string, array $args = array(), array $options = array()) {
     return $string;
   }
   else {
-    // Transform arguments before inserting them.
-    foreach ($args as $key => $value) {
-      switch ($key[0]) {
-        case '@':
-          // Escaped only.
-          $args[$key] = check_plain($value);
-          break;
+    return format_string($string, $args);
+  }
+}
 
-        case '%':
-        default:
-          // Escaped and placeholder.
-          $args[$key] = drupal_placeholder($value);
-          break;
+/**
+ * Replace placeholders with sanitized values in a string.
+ *
+ * @param $string
+ *   A string containing placeholders.
+ * @param $args
+ *   An associative array of replacements to make. Occurrences in $string of
+ *   any key in $args are replaced with the corresponding value, after
+ *   sanitization. The sanitization function depends on the first character of
+ *   the key:
+ *   - !variable: Inserted as is. Use this for text that has already been
+ *     sanitized.
+ *   - @variable: Escaped to HTML using check_plain(). Use this for anything
+ *     displayed on a page on the site.
+ *   - %variable: Escaped as a placeholder for user-submitted content using
+ *     drupal_placeholder(), which shows up as <em>emphasized</em> text.
+ *
+ * @see t()
+ * @ingroup sanitization
+ */
+function format_string($string, array $args = array()) {
+  // Transform arguments before inserting them.
+  foreach ($args as $key => $value) {
+    switch ($key[0]) {
+      case '@':
+        // Escaped only.
+        $args[$key] = check_plain($value);
+        break;
 
-        case '!':
-          // Pass-through.
-      }
+      case '%':
+      default:
+        // Escaped and placeholder.
+        $args[$key] = drupal_placeholder($value);
+        break;
+
+      case '!':
+        // Pass-through.
     }
-    return strtr($string, $args);
   }
+  return strtr($string, $args);
 }
 
 /**