3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = new stdClass(); $d->foo = 'bar'; $reference['something'] = array(array($d, 'blah')); $static['something'] = array(array(get_class($d), 'blah')); print serialize($reference); print "\n"; print serialize($static);
Output for 4.3.0 - 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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 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 - 8.3.6
a:1:{s:9:"something";a:1:{i:0;a:2:{i:0;O:8:"stdClass":1:{s:3:"foo";s:3:"bar";}i:1;s:4:"blah";}}} a:1:{s:9:"something";a:1:{i:0;a:2:{i:0;s:8:"stdClass";i:1;s:4:"blah";}}}
preferences:
281.85 ms | 406 KiB | 357 Q