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run code in 300+ PHP versions simultaneously
<?php function ptr2str($ptr) { $out = ""; for ($i = 0; $i < 8; $i++) { $out .= chr($ptr & 0xff); $ptr >>= 8; } return $out; } class obj { function __tostring() { global $arr; $arr = 1; for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } return 'hi'; } } $arr = array('string' => new obj); array_walk_recursive($arr, 'settype');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: Iterated value is no longer an array or object in /in/WY0pB:27 Stack trace: #0 /in/WY0pB(27): array_walk_recursive(1, 'settype') #1 {main} thrown in /in/WY0pB on line 27
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: Iterated value is no longer an array or object in /in/WY0pB:27 Stack trace: #0 /in/WY0pB(27): array_walk_recursive(1, 'settype') #1 {main} thrown in /in/WY0pB on line 27
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_walk_recursive(): Iterated value is no longer an array or object in /in/WY0pB on line 27
Output for 7.0.0 - 7.0.20

Process exited with code 139.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: settype(): Invalid type in /in/WY0pB on line 27 Warning: settype(): Invalid type in /in/WY0pB on line 27 Warning: settype(): Invalid type in /in/WY0pB on line 27 Warning: settype(): Invalid type in /in/WY0pB on line 27
Process exited with code 255.
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130.8 ms | 402 KiB | 183 Q