cache .lang files in PHP array

1 files changed, 39 insertions, 4 deletions

diff --git a/lib.php b/lib.php
index 600f97d..5c49d33 100644
--- a/lib.php
+++ b/lib.php
@@ -118,16 +118,51 @@ class l10n
      *
      * @return void
     */
-    function load($lang) {
-        $lang_file = __DIR__ . '/langs/' . $lang . '.lang';
+    function load($lang)
+    {
+        global $_t;
+        $_t = array();
+
+        if ($lang == 'en')
+            return;
+
+        $lang_file  = __DIR__ . '/langs/' . $lang . '.lang';
+        $cache_file = __DIR__ . '/var/tmp/cache/nav_lang_' . $lang . '.php';
+        $lang_ts    = filemtime($lang_file);
+
+        if (file_exists($cache_file)) {
+            include $cache_file;
+            if ($_ts > $lang_ts)
+                return;
+        }
+
         if (file_exists($lang_file)) {
-            global $_t;
+
             $f = file($lang_file);
+
             foreach ($f as $k => $v) {
-                if (substr($v, 0, 1) == ';' && !empty($f[$k+1])) {
+
+                if (substr($v, 0, 1) == ';'
+                    && !empty($f[$k+1]))
+                {
                     $_t[trim(substr($v, 1))] = trim($f[$k+1]);
                 }
             }
+
+            //
+            $_t_data = var_export($_t, true);
+            $cache   = <<<P
+<?php
+/**! Generated. Do not edit. */
+
+// filemtime($lang_file)
+\$_ts = $lang_ts;
+
+// $lang strings
+global \$_t;
+\$_t = $_t_data;
+P;
+            file_put_contents($cache_file, $cache);
         }
     }