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run code in 200+ php & hhvm versions
Bugs & Features
<?php printf("%05d", zipCode);
Output for 7.2.0
Warning: Use of undefined constant zipCode - assumed 'zipCode' (this will throw an Error in a future version of PHP) in /in/82YeF on line 2 00000
Output for 5.3.19 - 7.1.10
Notice: Use of undefined constant zipCode - assumed 'zipCode' in /in/82YeF on line 2 00000