1--TEST-- 2Bug #20261 (str_rot13() changes too much) 3--FILE-- 4<?php 5 $first = "boo"; 6 $second = $first; 7 $rot = ""; 8 9 echo "1: ".$first."\n"; 10 echo "2: ".$second."\n"; 11 echo "3: ".$rot."\n"; 12 13 $rot = str_rot13($second); 14 15 echo "1: ".$first."\n"; 16 echo "2: ".$second."\n"; 17 echo "3: ".$rot."\n"; 18?> 19--EXPECT-- 201: boo 212: boo 223: 231: boo 242: boo 253: obb 26 27