- set_time_limit: documentation ( source)
- array_merge: documentation ( source)
- implode: documentation ( source)
- range: documentation ( source)
- sprintf: documentation ( source)
<?php
set_time_limit(0);
$length = 2;
$charset = sprintf('%s', implode('',array_merge(range('0', '9'),range('a', 'z'),range('A', 'Z'))));
for ($i = 0; $i < strlen($charset); $i++)
$a[] = $charset{$i};
for ($i = 0, $c = "", $d = "print("; $i < $length; $i++){
$c .= "foreach(\$a as \$b[$i])";
$d .= "\$b[$i].";
}
eval($c.$d."\"\n\");");