Merge pull request #1 from paulrobertlloyd/patch-1

Fix `Array to string conversion` error - thanks Paul

Author: shoesforindustry

alphabetise.php

@@ -19,7 +19,7 @@ function alphabetise($parent, $options=array()) {
 
   //Gets the input into a two dimensional array - uses '~' as separator;
   foreach ($parent as $item){
-    $temp = explode('~',$item->$options['key']() );
+    $temp = explode('~',$item->{$options['key']}() );
     $temp = $temp[0];
     $temp = strtolower($temp);
     $array[$temp][] = $item;