Bug #74185 [Opn]: PHP periodically failing to populate superglobals

Edit report at https://bugs.php.net/bug.php?id=74185&edit=1 ID: 74185 User updated by: robin at willowsv dot com Reported by: robin at willowsv dot com Summary: PHP periodically failing to populate superglobals Status: Open Type: Bug Package: Variables related Operating System: Windows 7 PHP Version: 7.1.2 Block user comment: N Private report: N New Comment: Already tried playing with the JIT value. Don't seem to have an option for bytecode-caching. Previous Comments: ------------------------------------------------------------------------ [2017-02-28 18:21:22] spam2 at rhsoft dot net sounds like a bug in http://php.net/manual/en/ini.core.php#ini.auto-globals-jit on windows and maybe related to bytecode cache - dunno if windows these days also is using opcache, but you can try "auto_globals_jit = 0" and 0/1 in combination with and without bytecode-caching ------------------------------------------------------------------------ [2017-02-28 18:16:53] robin at willowsv dot com Not just $_COOKIE either Severity: Notice --> Undefined variable: _GET D:\www\httpdocs\cms\system\core\Input.php 609 ------------------------------------------------------------------------ [2017-02-28 18:09:00] robin at willowsv dot com Description: ------------ Periodically PHP will periodically fail to populate the $_COOKIE Super global. The logs will report that _COOKIE is undefined if you check it (depending on the reporting level) and if it's set first it will behave like a non superglobal with normal variable scope. A restart of the Apache/PHP server corrects the issue however it hits sporadically and refused to allow us to sign in. $_SERVER reports cookie data is available. Test script: --------------- <?php echo("Dumping Server!\n"); print_r($_SERVER); echo("\n\nDumping Cookie!\n"); print_r($_COOKIE); // Set Value echo("\n\nSetting Cookie!\n"); $_COOKIE['TEST'] = "TEST"; print_r($_COOKIE); // Echo echo("\n\nTest 1!\n"); test(); echo("\n\nTest 2!\n"); test2(); // Test Function 1 (No Global) function test() { if ( empty($_COOKIE) ) echo("Can't find cookie superglobal!\n"); } else { echo("Dumping Cookie!\n"); print_r($_COOKIE); } } // Test Function 2 (No Global) function test2() { global $_COOKIE; if ( empty($_COOKIE) ) { echo("Can't find cookie superglobal!"); } else { echo("Dumping Cookie!\n"); print_r($_COOKIE); } } ?> Expected result: ---------------- Dumping Server! Array ( [HTTPS] => on [SSL_SESSION_RESUMED] => Initial [HTTP_HOST] => 10.224.130.232 [HTTP_CONNECTION] => keep-alive [HTTP_CACHE_CONTROL] => max-age=0 [HTTP_UPGRADE_INSECURE_REQUESTS] => 1 [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36 [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 [HTTP_ACCEPT_ENCODING] => gzip, deflate, sdch, br [HTTP_ACCEPT_LANGUAGE] => en-US,en;q=0.8,en-GB;q=0.6 [HTTP_COOKIE] => CMS=18368a69a2b9b1d7a62918213adcf19d; SVMCMS=05bfdca9adaf72b52578668069db639f61652476; PHPSESSID=1b86072d4b839507ae6e7223f3645923 [SystemRoot] => C:\Windows [COMSPEC] => C:\Windows\system32\cmd.exe [WINDIR] => C:\Windows [SERVER_SIGNATURE] => [SERVER_SOFTWARE] => Apache/2.4.25 (Win32) OpenSSL/1.0.2k PHP/7.1.2 [SERVER_PORT] => 443 [DOCUMENT_ROOT] => D:/www/httpdocs [REQUEST_SCHEME] => https [CONTEXT_PREFIX] => [CONTEXT_DOCUMENT_ROOT] => D:/www/httpdocs [SERVER_ADMIN] => admin@example.com [SCRIPT_FILENAME] => D:/www/httpdocs/cms/bug.php [REMOTE_PORT] => 62749 [GATEWAY_INTERFACE] => CGI/1.1 [SERVER_PROTOCOL] => HTTP/1.1 [REQUEST_METHOD] => GET [QUERY_STRING] => [REQUEST_URI] => /cms/bug.php [SCRIPT_NAME] => /cms/bug.php [PHP_SELF] => /cms/bug.php [REQUEST_TIME_FLOAT] => 1488303793.707 [REQUEST_TIME] => 1488303793 [argv] => Array ( ) [argc] => 0 ) Dumping Cookie! Array ( [CMS] => 18368a69a2b9b1d7a62918213adcf19d [SVMCMS] => 05bfdca9adaf72b52578668069db639f61652476 [PHPSESSID] => 1b86072d4b839507ae6e7223f3645923 ) Setting Cookie! Array ( [CMS] => 18368a69a2b9b1d7a62918213adcf19d [SVMCMS] => 05bfdca9adaf72b52578668069db639f61652476 [PHPSESSID] => 1b86072d4b839507ae6e7223f3645923 [TEST] => TEST ) Test 1! Dumping Cookie! Array ( [CMS] => 18368a69a2b9b1d7a62918213adcf19d [SVMCMS] => 05bfdca9adaf72b52578668069db639f61652476 [PHPSESSID] => 1b86072d4b839507ae6e7223f3645923 [TEST] => TEST ) Test 2! Dumping Cookie! Array ( [CMS] => 18368a69a2b9b1d7a62918213adcf19d [SVMCMS] => 05bfdca9adaf72b52578668069db639f61652476 [PHPSESSID] => 1b86072d4b839507ae6e7223f3645923 [TEST] => TEST ) Actual result: -------------- Dumping Server! Array ( [HTTPS] => on [SSL_SESSION_RESUMED] => Resumed [HTTP_HOST] => 10.224.130.232 [HTTP_CONNECTION] => keep-alive [HTTP_CACHE_CONTROL] => max-age=0 [HTTP_UPGRADE_INSECURE_REQUESTS] => 1 [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36 [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 [HTTP_ACCEPT_ENCODING] => gzip, deflate, sdch, br [HTTP_ACCEPT_LANGUAGE] => en-US,en;q=0.8,en-GB;q=0.6 [HTTP_COOKIE] => CMS=18368a69a2b9b1d7a62918213adcf19d; SVMCMS=05bfdca9adaf72b52578668069db639f61652476; PHPSESSID=1b86072d4b839507ae6e7223f3645923 [SystemRoot] => C:\Windows [WINDIR] => C:\Windows [SERVER_SIGNATURE] => [SERVER_SOFTWARE] => Apache/2.4.25 (Win32) OpenSSL/1.0.2k PHP/7.1.2 [SERVER_PORT] => 443 [DOCUMENT_ROOT] => D:/www/httpdocs [REQUEST_SCHEME] => https [CONTEXT_PREFIX] => [CONTEXT_DOCUMENT_ROOT] => D:/www/httpdocs [SERVER_ADMIN] => admin@example.com [SCRIPT_FILENAME] => D:/www/httpdocs/cms/bug.php [REMOTE_PORT] => 62746 [GATEWAY_INTERFACE] => CGI/1.1 [SERVER_PROTOCOL] => HTTP/1.1 [REQUEST_METHOD] => GET [QUERY_STRING] => [REQUEST_URI] => /cms/bug.php [SCRIPT_NAME] => /cms/bug.php [PHP_SELF] => /cms/bug.php [REQUEST_TIME_FLOAT] => 1488303761.429 [REQUEST_TIME] => 1488303761 [argv] => Array ( ) [argc] => 0 ) Dumping Cookie! Setting Cookie! Array ( [TEST] => TEST ) Test 1! Can't find cookie superglobal! Test 2! Dumping Cookie! Array ( [TEST] => TEST ) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74185&edit=1