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@ 2013-08-19T12:28:11Z

<?php

function obfuscatePersonID($personID){
		$code = strtr( base_convert($personID, 10, 36), "abcdefghijklmnopqrstuvwxyz", "ghijklmnopqrstuvwxyzabcdef" );
		return $code ? $code : false;
	}
echo obfuscatePersonID(199105260617);

Output
Performance
VLD
References
Branches

base_convert: documentation ( source)
strtr: documentation ( source)

preferences:dark modelive preview

40.56 ms | 402 KiB | 5 Q