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run code in 200+ php & hhvm versions
Bugs & Features
<?php count($mko);
Output for 7.2.0
Notice: Undefined variable: mko in /in/FlsR8 on line 3 Warning: count(): Parameter must be an array or an object that implements Countable in /in/FlsR8 on line 3
Output for 5.3.19 - 7.1.10
Notice: Undefined variable: mko in /in/FlsR8 on line 3