3v4l.org

run code in 300+ PHP versions simultaneously
<?php // gc_disable(); // <-- if this comment is removed, everything works as expected $a = array(); $b = new SplObjectStorage(); for ($i = 10000; $i > 0; $i--) { $object = new StdClass(); $a[] = $object; $b->attach($object); } $c = serialize(array($a, $b)); $d = unserialize($c); echo "ok";
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.39 - 5.4.44, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
ok
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 ok
Output for 5.4.45
zend_mm_heap corrupted
Process exited with code 1.
Output for 5.4.0 - 5.4.38
ok
Process exited with code 139.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'SplObjectStorage' not found in /in/tUoUf on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/tUoUf on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/tUoUf on line 5

preferences:
257.85 ms | 401 KiB | 342 Q