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@ 2014-07-05T22:28:34Z

<?php 
$x=0;
if(!function_exists('pCount')){
        function pCount(){
            global $x;
            if($x>5){
                sleep(1);
                pCount();
            }else{
                $x++;
                return;
            }
        }
    }

echo $x."<br>";
    pCount();
echo $x."<br>";
$x--;
echo $x."<br>";
    pCount();
echo $x."<br>";

Output
Performance
VLD
References
Branches

function_exists: documentation ( source)
sleep: documentation ( source)

preferences:dark modelive preview

38.25 ms | 402 KiB | 5 Q