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[2018-12-11 22:44 UTC] m49434s at gmail dot com
Description: ------------ With PHP 7.3.0 input validation using filter_input(INPUT_SERVER,'REQUEST_METHOD',...) is broken because the field 'REQUEST_METHOD' is not mapped. The code is working as expected in 7.2.x and previous releases. Test script: --------------- <?php if(filter_has_var(INPUT_SERVER,'REQUEST_METHOD')): echo 'filter_has_var: INPUT_SERVER field REQUEST_METHOD exists',PHP_EOL,PHP_EOL; else: echo 'filter_has_var: INPUT_SERVER field REQUEST_METHOD does not exist',PHP_EOL,PHP_EOL; echo '<pre>'; print_r($_SERVER); echo '</pre>'; endif; ?> <form action="test.php" method="post" id="iform" name="iform"> <input type="text" id="username" name="username" placeholder="Username" autofocus="autofocus"> <input type="password" id="password" name="password" placeholder="Password"> <input type="submit" value="Login"> </form> Expected result: ---------------- The script should display 'filter_has_var: INPUT_SERVER field REQUEST_METHOD exists' after pressing the login button. Actual result: -------------- Script displays 'filter_has_var: INPUT_SERVER field REQUEST_METHOD does not exist' followed by the content of $_SERVER after pressing the login button. PatchesPull RequestsHistoryAllCommentsChangesGit/SVN commits
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Last updated: Tue Oct 28 05:00:01 2025 UTC |
filter_has_var is still reporting false for INPUT_SERVER / REQUEST_METHOD in PHP 7.4.19, although $_SERVER has it: PHP version: 7.4.19 filter_has_var: INPUT_SERVER field REQUEST_METHOD does not exist Array ( [PATH] => /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin [PHP_FCGI_CHILDREN] => 2 [PHP_FCGI_MAX_REQUESTS] => 500 [PATH_TRANSLATED] => /usr/local/www [ORIG_SCRIPT_FILENAME] => /usr/local/www/test.php/ [SSL_CIPHER_ALGKEYSIZE] => 256 [SSL_CIPHER_USEKEYSIZE] => 256 [SSL_CIPHER] => TLS_AES_256_GCM_SHA384 [SSL_PROTOCOL] => TLSv1.3 [HTTP_COOKIE] => <removed> [HTTP_ACCEPT_LANGUAGE] => en-US,en;q=0.9,de-DE;q=0.8,de;q=0.7,fr;q=0.6 [HTTP_ACCEPT_ENCODING] => gzip, deflate, br [HTTP_REFERER] => https://192.168.0.44/test.php [HTTP_SEC_FETCH_DEST] => document [HTTP_SEC_FETCH_USER] => ?1 [HTTP_SEC_FETCH_MODE] => navigate [HTTP_SEC_FETCH_SITE] => same-origin [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 [HTTP_USER_AGENT] => Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36 [CONTENT_TYPE] => application/x-www-form-urlencoded [HTTP_DNT] => 1 [HTTP_UPGRADE_INSECURE_REQUESTS] => 1 [HTTP_ORIGIN] => https://192.168.0.44 [HTTP_SEC_CH_UA_PLATFORM] => "Linux" [HTTP_SEC_CH_UA_MOBILE] => ?0 [HTTP_SEC_CH_UA] => "Google Chrome";v="95", "Chromium";v="95", ";Not A Brand";v="99" [HTTP_CACHE_CONTROL] => max-age=0 [HTTP_CONTENT_LENGTH] => 19 [HTTP_HOST] => 192.168.0.44 [REMOTE_PORT] => 55474 [REMOTE_ADDR] => 192.168.0.65 [SERVER_NAME] => 192.168.0.44 [SERVER_ADDR] => 192.168.0.44 [SERVER_PORT] => 443 [HTTPS] => on [REQUEST_SCHEME] => https [GATEWAY_INTERFACE] => CGI/1.1 [SERVER_SOFTWARE] => WebGUI [SERVER_PROTOCOL] => HTTP/2.0 [REQUEST_METHOD] => POST [DOCUMENT_ROOT] => /usr/local/www [SCRIPT_FILENAME] => /usr/local/www/test.php [SCRIPT_NAME] => /test.php [REDIRECT_STATUS] => 200 [REQUEST_URI] => /test.php [QUERY_STRING] => [CONTENT_LENGTH] => 19 [FCGI_ROLE] => RESPONDER [PHP_SELF] => /test.php [REQUEST_TIME_FLOAT] => 1634740929.8279 [REQUEST_TIME] => 1634740929 )