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@ 2013-06-12T11:33:05Z

<?php
$start = microtime();
  $i = 1000;
 
  while ($i--)
  {
    //do stuff
  }
 
  $end = microtime();

  echo 'Took ' . $end - $start . ' seconds';

Output
Performance
VLD
References
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microtime: documentation ( source)

preferences:dark modelive preview

35.31 ms | 402 KiB | 5 Q