<?php
$strings = array('SS2014', 'SU2014','FW2014','SS2013','SU2013','FW2013');
$results = array();
foreach($strings as $string){
$weight = 0;
$weight_string = preg_replace("/[^0-9a-zA-Z]/", "", $string);
var_dump($weight_string);
$weight += ord(substr(strtolower($weight_string), 0)) * 1000;
$weight += ord(substr(strtolower($weight_string), 1)) * 100;
$weight += ord(substr(strtolower($weight_string), 2)) * 10;
$weight += ord(substr(strtolower($weight_string), 3));
$results[] = $weight;
}
var_dump($results);
preferences:
44.93 ms | 402 KiB | 5 Q