[Timer] New method stand-alone loopFunction()

example/timer.php

@@ -20,6 +20,14 @@
 // In this example: 10 Loops, 100 executions by loop (total: 1000 executions)
 $time->testLoop('filemtime', 10, 100, [__FILE__]);
 
+// [Alternative] method stand-alone
+$file = __FILE__;
+var_dump(
+    'filemtime average time: '.
+    Timer::loopFunction(function() use ($file): void { filemtime($file); } )
+);
+
+
 // Define a location in the code to get the current time spent
 $time->step('After testLoop');
 sleep(1);

src/Timer.php

@@ -2,8 +2,8 @@
 /*******************************************************************************
  * @name: Timer
  * @note: Stopwatch in milliseconds script time+ the various steps in the code
- * @author: Jgauthi <github.com/jgauthi>, created at [2mars2007]
- * @version: 2.0
+ * @author: Jgauthi, created at [28mars2007], url: <https://github.com/jgauthi/component_debug>
+ * @version: 2.0.2
 
  *******************************************************************************/
 
@@ -176,6 +176,22 @@ public function testLoop(callable $function, int $nb_loop = 10, int $nb = 100, a
         return $this;
     }
 
+    /**
+     * Method stand-alone
+     * Usage: \Jgauthi\Component\Timer::loopFunction(function() use ($var): void { somecode($var); } );
+     */
+    public static function loopFunction(callable $closure, int $nbLoop = 100): float
+    {
+        $data = [];
+        for($i = 0; $i < $nbLoop; $i++) {
+            $time = microtime(true);
+            $closure();
+            $data[] = microtime(true) - $time;
+        }
+
+        return array_sum($data) / $nbLoop;
+    }
+
     /**
      * Exporte un chapitre au format CSV.
      */