Bug #67869 [Fbk->NoF]: FILTER_SANITIZE_FULL_SPECIAL_CHARS returns MB4-Chars incorrectly

Edit report at https://bugs.php.net/bug.php?id=67869&edit=1 ID: 67869 Updated by: php-bugs@lists.php.net Reported by: heurika at gmail dot com Summary: FILTER_SANITIZE_FULL_SPECIAL_CHARS returns MB4-Chars incorrectly -Status: Feedback +Status: No Feedback Type: Bug Package: Filter related Operating System: Debian 7 PHP Version: 5.5.15 Assigned To: cmb Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2020-06-04 12:38:23] cmb@php.net Can anybody else reproduce this with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> ------------------------------------------------------------------------ [2015-05-18 13:32:25] cmb@php.net I can't reproduce the issue, see <http://3v4l.org/uQ1C5>. ------------------------------------------------------------------------ [2014-08-20 08:00:28] 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: ? ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=67869&edit=1