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@ 2014-07-09T08:57:02Z

<?php
function get_file_extension($file_name) {
	return substr(strrchr($file_name,'.'),1);
}
get_file_extension('1992bee8-8fd3-11e3-8787-b32da4f9060f.xml');

Output
Performance
VLD
References
Branches

substr: documentation ( source)
strrchr: documentation ( source)

preferences:dark modelive preview

47.3 ms | 402 KiB | 5 Q