revert 64def76b06

revert + helper: add function to compute and display time consuming between 2 endpoints.

framework/helper.class.php

@@ -390,31 +390,6 @@ function formatTime($time, $format = '')
     return trim($time);
 }
 
-/**
- * Display time consuming.
- *
- * @param  string $tag
- * @access public
- * @return void
- */
-function t($tag = '')
-{
-    global $last;
-    $time = microtime();
-
-    if($last)
-    {
-        list($lms, $ls) = explode(' ', $last);
-        list($ms, $s)   = explode(' ', $time);
-        a("$tag: time consuming=" . ($s - $ls + round($ms - $lms, 3)) . 's');
-    }
-    else
-    {
-        a("$tag: current time={$time}");
-    }
-    $last = $time;
-}
-
 /**
  * Fix for session error.
  *