3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Test\SuperTest{ class testA { private $b = 123; public function __construct() { $a = 5; } } } namespace{ $className = "Test\SuperTest\testA"; $object = unserialize( sprintf('O:%d:"%s":0:{}', strlen($className), $className) ); var_dump($object); }
Output for 8.3.0 - 8.3.6
Warning: unserialize(): Error at offset 0 of 31 bytes in /in/N6Ja5 on line 18 bool(false)
Output for 8.2.0 - 8.2.18
Notice: unserialize(): Error at offset 0 of 31 bytes in /in/N6Ja5 on line 18 bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Notice: unserialize(): Error at offset 0 of 31 bytes in /in/N6Ja5 on line 19 bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: unserialize(): Error at offset 20 of 31 bytes in /in/N6Ja5 on line 19 bool(false)
Output for 7.3.32 - 7.3.33
bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: unserialize(): Error at offset 20 of 31 bytes in /in/N6Ja5 on line 20 bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/N6Ja5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/N6Ja5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/N6Ja5 on line 3
Process exited with code 255.

preferences:
217.4 ms | 401 KiB | 343 Q