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<!DOCTYPE html><html><body>​<?phpfunction my_sort($a,$b){if ($a==$b) return 0;  return ($a<$b)?-1:1;}​$a=array(4,2,8,6);usort($a,"my_sort");​$arrlength=count($a);for($x=0;$x<$arrlength;$x++)  {  echo $a[$x];  echo "<br>";  }​?> ​</body>​<!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_usort by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:22:39 GMT --></html>​