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  1. <?php
  2.  
  3. function test($x)
  4. {
  5.     $t1 = microtime(true);
  6.     $a = 0;
  7.     for($i = 0; $i < $x; $i++)
  8.     {
  9.         $a++;
  10.     }
  11.     $t2 = microtime(true);
  12.  
  13.     echo "Time for $x was " . ($t2 - $t1) . "\n";
  14.  
  15.     return $a;
  16. }
  17.  
  18.  
  19. echo test(100000000);
Success #stdin #stdout 2.73s 23792KB
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stdin
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Standard input is empty
stdout
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Time for 100000000 was 2.7089190483093
100000000
https://ideone.com/3ebkai
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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