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@ 2017-07-11T17:07:01Z

<?php

        
        $number = 4;
$hexString = dechex($number);
$result = str_pad($hexString,6,"0",STR_PAD_LEFT);
echo($result);

Output
Performance
VLD
References
Branches

dechex: documentation ( source)
str_pad: documentation ( source)

preferences:dark modelive preview

32.62 ms | 402 KiB | 5 Q