3v4l.org

run code in 300+ PHP versions simultaneously
<?php $res = "a:1:{s:7:'allow';s:1:\"1\";}"; $res = unserialize($res); var_dump($res);
Output for 8.3.0 - 8.3.6
Warning: unserialize(): Error at offset 5 of 26 bytes in /in/Ln4u3 on line 4 bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Notice: unserialize(): Error at offset 5 of 26 bytes in /in/Ln4u3 on line 4 bool(false)
Output for 7.3.32 - 7.3.33
bool(false)
Output for 4.3.0 - 4.3.1
Notice: unserialize() [http://www.php.net/function.unserialize]: Error at offset 5 of 26 bytes in /in/Ln4u3 on line 4 bool(false)

preferences:
215.97 ms | 402 KiB | 311 Q