PHP/Development/max execution time

max_execution_time: Set execute time

<?php
   // Give the script enough time to complete the task
   ini_set("max_execution_time",120);
   $rangeStart = 0;
   $rangeStop = 1024;
   $target = "www.wbex.ru";
   $range =range($rangeStart, $rangeStop);
   echo "<p>Scan results for $target</p>";
   foreach ($range as $port) {
      $result = @fsockopen($target, $port,$errno,$errstr,1);
      if ($result) 
         echo "<p>Socket open at port $port</p>";
   }
?>