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[PHP] Challenge foarte interesant

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Posted

Uitati un chalenge foarte interesant:


<?php
$challenge = function()
{
$t = (string)$_GET['eval'];
$t = str_replace(array('`', '$', '*', '#', ':', '\\', '"', "'", '(', '.'), '', $t);

if((strlen($t) > 13) || (false !== strpos($t, 'return')))
{
die('Nu e permis!'); }

try
{
eval("\$rst= $t"); }
catch (Exception $e)
{
return false;
}
return ($rst=== '1337');
};
?>

Have fun!

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