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Bug #67869 FILTER_SANITIZE_FULL_SPECIAL_CHARS returns MB4-Chars incorrectly
Submitted: 2014-08-20 08:00 UTC Modified: 2015-05-18 13:32 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: heurika at gmail dot com Assigned:
Status: Open Package: Filter related
PHP Version: 5.5.15 OS: Debian 7
Private report: No CVE-ID: None
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 [2014-08-20 08:00 UTC] heurika at gmail dot com
Description:
------------
The function FILTER_SANITIZE_FULL_SPECIAL_CHARS doesn't returns the chars equivalent to calling htmlspecialchars() with ENT_QUOTES set. 

php.ini:
default_charset = "utf-8" 

Test script:
---------------
<?php
$string = '?';

echo 'filter_var: ' . filter_var($string, FILTER_SANITIZE_FULL_SPECIAL_CHARS) . PHP_EOL;
echo 'htmlspecialchars: ' . htmlspecialchars($string, ENT_QUOTES);

Expected result:
----------------
filter_var: ?
htmlspecialchars: ?

Actual result:
--------------
filter_var: �
htmlspecialchars: ?

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 [2015-05-18 13:32 UTC] cmb@php.net
I can't reproduce the issue, see <http://3v4l.org/uQ1C5>.
 
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