Bug #78153 [NEW]: $_SERVER['REQUEST_METHOD'] become redirect when form field contains ($_GET)

From: salamj at gmail dot com Operating system: linux PHP version: 7.3.6 Package: *Web Server problem Bug Type: Bug Bug description:$_SERVER['REQUEST_METHOD'] become redirect when form field contains ($_GET) Description: ------------ When form with POST method contains text field and fill it with $_GET or $_SESSION , $_POST, ... the page in action redirect to 403 page error: Test script: --------------- <form method="post" action="<?php $_SERVER['PHP_SELF'] ?>"> <input type="text" name="something"> <input type="submit" name="send" value="send"> </form> <?php $method = $_SERVER['REQUEST_METHOD']; echo $method; Expected result: ---------------- POST Actual result: -------------- Forbidden You don't have permission to access /req.php on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request. -- Edit bug report at https://bugs.php.net/bug.php?id=78153&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78153&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78153&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78153&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78153&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78153&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78153&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78153&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78153&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78153&r=support Expected behavior: https://bugs.php.net/fix.php?id=78153&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78153&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78153&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78153&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78153&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78153&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78153&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78153&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78153&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78153&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78153&r=mysqlcfg