Changeset 12946 for trunk/wp-includes/l10n.php

Timestamp:

02/04/2010 06:46:25 PM (15 years ago)

Author:

ryan

Message:

Introduce get_available_languages(). Validate WPLANG. fixes #11774

File:

• trunk/wp-includes/l10n.php (modified) (1 diff)

trunk/wp-includes/l10n.php

@@ -485 +485 @@
     return translate_with_gettext_context( before_last_bar($name), 'User role' );
 }
+
+/**
+ * Get all available languages based on the presence of *.mo files in a given directory. The default directory is WP_LANG_DIR.
+ *
+ * @since 3.0.0
+ *
+ * @param string $dir A directory in which to search for language files. The default directory is WP_LANG_DIR.
+ * @return array Array of language codes or an empty array if no languages are present.  Language codes are formed by stripping the .mo extension from the language file names.
+ */
+function get_available_languages( $dir = null ) {
+    $languages = array();
+
+    if ( empty($dir) )
+        $dir = WP_LANG_DIR;
+
+    if ( is_dir( $dir ) && $dh = opendir( $dir ) ) {
+        while ( ( $lang_file = readdir( $dh ) ) !== false ) {
+            if ( substr( $lang_file, -3 ) == '.mo' )
+                $languages[] = basename($lang_file, '.mo');
+        }
+        closedir($dh);
+    }
+
+    return $languages;
+}
+
 ?>