<?php
function toFloat($string = null) {
	if($string) {
		preg_match_all("/[\d]+/", $string, $values);
		if(count($values[0]) > 1) {
			$value = (float)((int)implode($values[0]) / 100);
		} else {
			$value = (float)$values[0][0];
		}
		return $value;
	} else {
		return 0;
	}
}