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Bug #49146 strtr cuts char from the end
Submitted: 2009-08-04 01:36 UTC Modified: 2009-08-04 01:54 UTC
From: juho dot karvilainen at bmf dot wz dot cz Assigned:
Status: Not a bug Package: Output Control
PHP Version: 5.2.10 OS: Win XP
Private report: No CVE-ID: None
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From: juho dot karvilainen at bmf dot wz dot cz
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 [2009-08-04 01:36 UTC] juho dot karvilainen at bmf dot wz dot cz 
Description:
------------
looks like the strtr() function (when used with array as 2nd argument) nibbles a character from the end when it has nothing to replace. (on UTF-8 page)

Reproduce code:
---------------
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<?php
function safe_js($str){
  return strtr($str,array('"'=>'\"',"'">'\'','/'=>'\/'));
}
?>
line1...<?php echo safe_js(480)?>
line2...

Expected result:
----------------
line1...480
line2

Actual result:
--------------
line1...48line2

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 [2009-08-04 01:38 UTC] scottmac@php.net 
Closing PHP tags always eat the newline after it.
 [2009-08-04 01:54 UTC] scottmac@php.net 
Your array is also malformed.

array('"'=>'\"',"'">'\'','/'=>'\/')

array(3) {
  ["""]=>
  string(2) "\""
  [0]=>
  bool(false)
  ["/"]=>
  string(2) "\/"
}
 [2009-08-04 01:54 UTC] felipe@php.net 
Note this point: "'">'\''

You mistyped the =>, hence you got a 0-key.
 
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