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  1. <?php
  2.  
  3. $time = function($f, $m = 1000000)
  4.   {
  5.     $start = microtime(true);
  6.  
  7.     for($n = 0; $n < $m; ++$n)
  8.       $f();
  9.  
  10.     return (microtime(true) - $start);
  11.   };
  12.  
  13.  
  14. var_dump($time('rand'));
  15. var_dump($time('mt_rand'));
Success #stdin #stdout 0.6s 20568KB
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float(0.2973358631134)
float(0.2931489944458)
https://ideone.com/ryJbow
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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