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run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = new ArrayObject(); $test['test'] = 'test'; echo array_key_exists('test', $test);
Output for 5.0.0 - 7.1.0
1
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/eYanj on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/eYanj on line 3