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@ 2013-11-28T16:17:05Z

<?php

$string = '00fff0';
$index = -1;

$string = substr($string, $index) ?: '';

var_dump($string);

Output
Performance
VLD
References
Branches

substr: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

36.89 ms | 402 KiB | 5 Q