camelize / decamelize function

gistfile1.aw

<?php
/**
 * via: http://d.hatena.ne.jp/fbis/20070713/1184309659
 */

function camelize ($str) {
    return str_replace(' ','',ucwords(str_replace('_',' ',$str)));
}

function decamelize ($str) {
    return ltrim(preg_replace('/([A-Z])/e',"'_'.strtolower('$1')",$str),'_');
}