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@ 2017-07-04T08:35:00Z

<?php

var_dump(strtolower("0") == strtolower(0));
var_dump(strtolower("0") == strtolower("0"));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
strtolower: documentation ( source)

preferences:dark modelive preview

38.78 ms | 402 KiB | 5 Q