3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $prop; function __wakeup() { $this->prop = 'prop'; } } $x = 'a:4:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:4:"prop";R:2;}i:3;N;i:2;R:3;}'; $y = unserialize($x); for($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($y);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: Cannot assign array to property Exception::$string of type string in /in/QbVIq:11 Stack trace: #0 /in/QbVIq(11): unserialize('a:4:{i:0;O:9:"e...') #1 {main} thrown in /in/QbVIq on line 11
Process exited with code 255.
Output for 5.4.39 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.20, 7.1.5 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(4) { [0]=> &string(4) "prop" [1]=> object(obj)#2 (1) { ["prop"]=> &string(4) "prop" } [3]=> NULL [2]=> array(1) { [0]=> int(1) } }
Output for 7.0.0 - 7.0.6, 7.1.0
array(3) { [0]=> &string(4) "prop" [1]=> object(obj)#2 (1) { ["prop"]=> &string(4) "prop" } [3]=> NULL }
Output for 5.4.9 - 5.4.38
array(4) { [0]=> &string(4) "prop" [1]=> object(obj)#2 (1) { ["prop"]=> &string(4) "prop" } [3]=> NULL [2]=> &NULL }
Output for 5.4.2 - 5.4.8
array(4) { [0]=> &string(4) "prop" [1]=> object(obj)#2 (1) { ["prop"]=> &string(4) "prop" } [3]=> NULL [2]=> &array(49) {
Process exited with code 139.

preferences:
196.36 ms | 402 KiB | 244 Q