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@ 2014-01-17T20:21:24Z

<?php
function getIndex($name)
    {
        $algorithm = null;
        if ($pos = stripos($name, '_USING_')) {
            $algorithm = substr($name, $pos + 7);
        }
        return $algorithm;
    }



echo getIndex('textsearch_index_USING_GIST');

Output
Performance
VLD
References
Branches

substr: documentation ( source)
stripos: documentation ( source)

preferences:dark modelive preview

36.1 ms | 402 KiB | 5 Q