Handle HTML form with PHP
Hi I am a newbie with PHP, and I was trying to handle an HTML Login form, when I click submit, the POST request is sent (I check with Firebug, and also in Apache access.log file), but I can't retrieve the form variables (username and password, eg: $username = _POST['username']). After searching forums, I noticed that there is a variable in php.ini: track_vars that must be enabled in order to have variable stored in POST superglobal. By default, it was not present in php.ini file, I added it and then reload apache2, but in phpinfo() it does not appear, I also added it in /etc/apache2/mods-enabled/php.conf but I still have the same problem. Here is the output of phpinfo().
Any idea is welcomed. Thanks in advance. PHP logo PHP Version 5.5.3-1ubuntu2.1 System Linux ubuntu-server 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:12:00 UTC 2013 i686 Build Date Dec 12 2013 04:18:07 Server API Apache 2.0 Handler Virtual Directory Support disabled Configuration File (php.ini) Path /etc/php5/apache2 Loaded Configuration File /etc/php5/apache2/php.ini Scan this dir for additional .ini files /etc/php5/apache2/conf.d Additional .ini files parsed /etc/php5/apache2/conf.d/05-opcache.ini, /etc/php5/apache2/conf.d/10-pdo.ini, /etc/php5/apache2/conf.d/20-mysql.ini, /etc/php5/apache2/conf.d/20-mysqli.ini, /etc/php5/apache2/conf.d/20-pdo_mysql.ini, /etc/php5/apache2/conf.d/20-readline.ini PHP API 20121113 PHP Extension 20121212 Zend Extension 220121212 Zend Extension Build API220121212,NTS PHP Extension Build API20121212,NTS Debug Build no Thread Safety disabled Zend Signal Handling disabled Zend Memory Manager enabled Zend Multibyte Support provided by mbstring IPv6 Support enabled DTrace Support disabled Registered PHP Streams https, ftps, compress.zlib, compress.bzip2, php, file, glob, data, http, ftp, phar, zip Registered Stream Socket Transports tcp, udp, unix, udg, ssl, sslv3, tls Registered Stream Filters zlib.*, bzip2.*, convert.iconv.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk Zend logo This program makes use of the Zend Scripting Language Engine: Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies with Zend OPcache v7.0.3-dev, Copyright (c) 1999-2013, by Zend Technologies Configuration apache2handler Apache Version Apache/2.4.6 (Ubuntu) Apache API Version 20120211 Server Administrator webmaster@localhost Hostname:Port localhost:80 User/Group www-data(33)/33 Max Requests Per Child: 0 - Keep Alive: on - Max Per Connection: 100 Timeouts Connection: 30 - Keep-Alive: 5 Virtual Server Yes Server Root /etc/apache2 Loaded Modules core mod_so mod_watchdog http_core mod_log_config mod_logio mod_version mod_unixd mod_access_compat mod_alias mod_auth_basic mod_authn_core mod_authn_file mod_authz_core mod_authz_host mod_authz_user mod_autoindex mod_deflate mod_dir mod_env mod_filter mod_mime prefork mod_negotiation mod_php5 mod_setenvif mod_status Directive Local Value Master Value engine 1 1 last_modified 0 0 xbithack 0 0 Apache Environment Variable Value HTTP_HOST 192.168.0.101 HTTP_USER_AGENT Mozilla/5.0 (Windows NT 6.1; rv:26.0) Gecko/20100101 Firefox/26.0 HTTP_ACCEPT text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_ACCEPT_LANGUAGE en-US,en;q=0.5 HTTP_ACCEPT_ENCODING gzip, deflate HTTP_CONNECTION keep-alive PATH /usr/local/bin:/usr/bin:/bin SERVER_SIGNATURE <address>Apache/2.4.6 (Ubuntu) Server at 192.168.0.101 Port 80</address> SERVER_SOFTWARE Apache/2.4.6 (Ubuntu) SERVER_NAME 192.168.0.101 SERVER_ADDR 192.168.0.101 SERVER_PORT 80 REMOTE_ADDR 192.168.0.100 DOCUMENT_ROOT /var/www REQUEST_SCHEME http CONTEXT_PREFIX no value CONTEXT_DOCUMENT_ROOT /var/www SERVER_ADMIN webmaster@localhost SCRIPT_FILENAME /var/www/phpinfo.php REMOTE_PORT 50869 GATEWAY_INTERFACE CGI/1.1 SERVER_PROTOCOL HTTP/1.1 REQUEST_METHOD GET QUERY_STRING no value REQUEST_URI /phpinfo.php SCRIPT_NAME /phpinfo.php HTTP Headers Information HTTP Request Headers HTTP Request GET /phpinfo.php HTTP/1.1 Host 192.168.0.101 User-Agent Mozilla/5.0 (Windows NT 6.1; rv:26.0) Gecko/20100101 Firefox/26.0 Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-US,en;q=0.5 Accept-Encoding gzip, deflate Connection keep-alive HTTP Response Headers X-Powered-By PHP/5.5.3-1ubuntu2.1 bcmath BCMath support enabled Directive Local Value Master Value bcmath.scale 0 0 bz2 BZip2 Support Enabled Stream Wrapper support compress.bzip2:// Stream Filter support bzip2.decompress, bzip2.compress BZip2 Version 1.0.6, 6-Sept-2010 calendar Calendar support enabled Core PHP Version 5.5.3-1ubuntu2.1 Directive Local Value Master Value allow_url_fopen On On allow_url_include Off Off always_populate_raw_post_data Off Off arg_separator.input & & arg_separator.output & & asp_tags Off Off auto_append_file no value no value auto_globals_jit On On auto_prepend_file no value no value browscap no value no value default_charset no value no value default_mimetype text/html text/html disable_classes no value no value disable_functions pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,p cntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_err or,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriorit y,pcntl_setpriority, pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,p cntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_err or,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriorit y,pcntl_setpriority, display_errors On On display_startup_errors On On doc_root no value no value docref_ext no value no value docref_root no value no value enable_dl Off Off enable_post_data_reading On On error_append_string no value no value error_log no value no value error_prepend_string no value no value error_reporting 32767 32767 exit_on_timeout Off Off expose_php On On extension_dir /usr/lib/php5/20121212 /usr/lib/php5/20121212 file_uploads On On highlight.comment #FF8000 #FF8000 highlight.default #0000BB #0000BB highlight.html #000000 #000000 highlight.keyword #007700 #007700 highlight.string #DD0000 #DD0000 html_errors On On ignore_repeated_errors Off Off ignore_repeated_source Off Off ignore_user_abort Off Off implicit_flush Off Off include_path .:/usr/share/php:/usr/share/pear .:/usr/share/php:/usr/share/pear log_errors On On log_errors_max_len 1024 1024 mail.add_x_header On On mail.force_extra_parameters no value no value mail.log no value no value max_execution_time 30 30 max_file_uploads 20 20 max_input_nesting_level 64 64 max_input_time 60 60 max_input_vars 1000 1000 memory_limit 128M 128M open_basedir no value no value output_buffering 4096 4096 output_handler no value no value post_max_size 8M 8M precision 14 14 realpath_cache_size 16K 16K realpath_cache_ttl 120 120 register_argc_argv Off Off report_memleaks On On report_zend_debug On On request_order GP GP sendmail_from no value no value sendmail_path /usr/sbin/sendmail -t -i /usr/sbin/sendmail -t -i serialize_precision 17 17 short_open_tag Off Off SMTP localhost localhost smtp_port 25 25 sql.safe_mode Off Off sys_temp_dir no value no value track_errors On On unserialize_callback_func no value no value upload_max_filesize 2M 2M upload_tmp_dir no value no value user_dir no value no value user_ini.cache_ttl 300 300 user_ini.filename .user.ini .user.ini variables_order GPCS GPCS xmlrpc_error_number 0 0 xmlrpc_errors Off Off zend.detect_unicode On On zend.enable_gc On On zend.multibyte Off Off zend.script_encoding no value no value ctype ctype functions enabled date Warning: phpinfo(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/phpinfo.php on line 2 date/time support enabled "Olson" Timezone Database Version 0.system Timezone Database internal Default timezone UTC Directive Local Value Master Value date.default_latitude 31.7667 31.7667 date.default_longitude 35.2333 35.2333 date.sunrise_zenith 90.583333 90.583333 date.sunset_zenith 90.583333 90.583333 date.timezone no value no value dba DBA support enabled Supported handlers cdb cdb_make db4 inifile flatfile Directive Local Value Master Value dba.default_handler flatfile flatfile dom DOM/XML enabled DOM/XML API Version 20031129 libxml Version 2.9.1 HTML Support enabled XPath Support enabled XPointer Support enabled Schema Support enabled RelaxNG Support enabled ereg Regex Library Bundled library enabled exif EXIF Support enabled EXIF Version 1.4 $Id$ Supported EXIF Version 0220 Supported filetypes JPEG,TIFF Directive Local Value Master Value exif.decode_jis_intel JIS JIS exif.decode_jis_motorola JIS JIS exif.decode_unicode_intel UCS-2LE UCS-2LE exif.decode_unicode_motorola UCS-2BE UCS-2BE exif.encode_jis no value no value exif.encode_unicode ISO-8859-15 ISO-8859-15 fileinfo fileinfo support enabled version 1.0.5-dev filter Input Validation and Filtering enabled Revision $Id: 12aebcf366f801ceeae618aefd4383fef24e701b $ Directive Local Value Master Value filter.default unsafe_raw unsafe_raw filter.default_flags no value no value ftp FTP support enabled gettext GetText Support enabled hash hash support enabled Hashing Engines md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 tiger160,4 tiger192,4 snefru snefru256 gost adler32 crc32 crc32b fnv132 fnv164 joaat haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 haval192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 haval256,5 iconv iconv support enabled iconv implementation glibc iconv library version 2.17 Directive Local Value Master Value iconv.input_encoding ISO-8859-1 ISO-8859-1 iconv.internal_encoding ISO-8859-1 ISO-8859-1 iconv.output_encoding ISO-8859-1 ISO-8859-1 libxml libXML support active libXML Compiled Version 2.9.1 libXML Loaded Version 20901 libXML streams enabled mbstring Multibyte Support enabled Multibyte string engine libmbfl HTTP input encoding translation disabled libmbfl version 1.3.2 mbstring extension makes use of "streamable kanji code filter and converter", which is distributed under the GNU Lesser General Public License version 2.1. Multibyte (japanese) regex support enabled Multibyte regex (oniguruma) backtrack check On Multibyte regex (oniguruma) version 5.9.2 Directive Local Value Master Value mbstring.detect_order no value no value mbstring.encoding_translation Off Off mbstring.func_overload 0 0 mbstring.http_input pass pass mbstring.http_output pass pass mbstring.http_output_conv_mimetypes ^(text/|application/xhtml\+xml) ^(text/|application/xhtml\+xml) mbstring.internal_encoding no value no value mbstring.language neutral neutral mbstring.strict_detection Off Off mbstring.substitute_character no value no value mhash MHASH support Enabled MHASH API Version Emulated Support mysql MySQL Support enabled Active Persistent Links 0 Active Links 0 Client API version 5.5.34 MYSQL_MODULE_TYPE external MYSQL_SOCKET /var/run/mysqld/mysqld.sock MYSQL_INCLUDE -I/usr/include/mysql MYSQL_LIBS -L/usr/lib/i386-linux-gnu -lmysqlclient_r Directive Local Value Master Value mysql.allow_local_infile On On mysql.allow_persistent On On mysql.connect_timeout 60 60 mysql.default_host no value no value mysql.default_password no value no value mysql.default_port no value no value mysql.default_socket /var/run/mysqld/mysqld.sock /var/run/mysqld/mysqld.sock mysql.default_user no value no value mysql.max_links Unlimited Unlimited mysql.max_persistent Unlimited Unlimited mysql.trace_mode Off Off mysqli MysqlI Support enabled Client API library version 5.5.34 Active Persistent Links 0 Inactive Persistent Links 0 Active Links 0 Client API header version 5.5.34 MYSQLI_SOCKET /var/run/mysqld/mysqld.sock Directive Local Value Master Value mysqli.allow_local_infile On On mysqli.allow_persistent On On mysqli.default_host no value no value mysqli.default_port 3306 3306 mysqli.default_pw no value no value mysqli.default_socket /var/run/mysqld/mysqld.sock /var/run/mysqld/mysqld.sock mysqli.default_user no value no value mysqli.max_links Unlimited Unlimited mysqli.max_persistent Unlimited Unlimited mysqli.reconnect Off Off openssl OpenSSL support enabled OpenSSL Library Version OpenSSL 1.0.1e 11 Feb 2013 OpenSSL Header Version OpenSSL 1.0.1e 11 Feb 2013 pcre PCRE (Perl Compatible Regular Expressions) Support enabled PCRE Library Version 8.31 2012-07-06 Directive Local Value Master Value pcre.backtrack_limit 1000000 1000000 pcre.recursion_limit 100000 100000 PDO PDO support enabled PDO drivers mysql pdo_mysql PDO Driver for MySQL enabled Client API version 5.5.34 Directive Local Value Master Value pdo_mysql.default_socket /var/run/mysqld/mysqld.sock /var/run/mysqld/mysqld.sock Phar Phar: PHP Archive support enabled Phar EXT version 2.0.1 Phar API version 1.1.1 SVN revision $Id: ec8e5fbde7521bb0b03975e5c086f4e10830b36f $ Phar-based phar archives enabled Tar-based phar archives enabled ZIP-based phar archives enabled gzip compression enabled bzip2 compression enabled OpenSSL support enabled Phar based on pear/PHP_Archive, original concept by Davey Shafik. Phar fully realized by Gregory Beaver and Marcus Boerger. Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle. Directive Local Value Master Value phar.cache_list no value no value phar.readonly On On phar.require_hash On On posix Revision $Id: 32db6705f5b617967a546be3114e178a4138c1ca $ readline Readline Support enabled Readline library EditLine wrapper Directive Local Value Master Value cli.pager no value no value cli.prompt \b \> \b \> Reflection Reflection enabled Version $Id: b1f7484f243ca1baeb64560b43b1927e7279dc80 $ session Session Support enabled Registered save handlers files user Registered serializer handlers php php_binary wddx Directive Local Value Master Value session.auto_start Off Off session.cache_expire 180 180 session.cache_limiter nocache nocache session.cookie_domain no value no value session.cookie_httponly Off Off session.cookie_lifetime 0 0 session.cookie_path / / session.cookie_secure Off Off session.entropy_file /dev/urandom /dev/urandom session.entropy_length 32 32 session.gc_divisor 1000 1000 session.gc_maxlifetime 1440 1440 session.gc_probability 0 0 session.hash_bits_per_character 5 5 session.hash_function 0 0 session.name PHPSESSID PHPSESSID session.referer_check no value no value session.save_handler files files session.save_path /var/lib/php5 /var/lib/php5 session.serialize_handler php php session.upload_progress.cleanup On On session.upload_progress.enabled On On session.upload_progress.freq 1% 1% session.upload_progress.min_freq 1 1 session.upload_progress.name PHP_SESSION_UPLOAD_PROGRESS PHP_SESSION_UPLOAD_PROGRESS session.upload_progress.prefix upload_progress_ upload_progress_ session.use_cookies On On session.use_only_cookies On On session.use_strict_mode Off Off session.use_trans_sid 0 0 shmop shmop support enabled SimpleXML Simplexml support enabled Revision $Id: eba46b909103648e33046d39de5d9de73bc28162 $ Schema support enabled soap Soap Client enabled Soap Server enabled Directive Local Value Master Value soap.wsdl_cache 1 1 soap.wsdl_cache_dir /tmp /tmp soap.wsdl_cache_enabled 1 1 soap.wsdl_cache_limit 5 5 soap.wsdl_cache_ttl 86400 86400 sockets Sockets Support enabled SPL SPL support enabled Interfaces Countable, OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject Classes AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException standard Dynamic Library Support enabled Path to sendmail /usr/sbin/sendmail -t -i Directive Local Value Master Value assert.active 1 1 assert.bail 0 0 assert.callback no value no value assert.quiet_eval 0 0 assert.warning 1 1 auto_detect_line_endings 0 0 default_socket_timeout 60 60 from no value no value url_rewriter.tags a=href,area=href,frame=src,input=src,form=fakeentry a=href,area=href,frame=src,input=src,form=fakeentry user_agent no value no value sysvmsg sysvmsg support enabled Revision $Id: a57e25e6c32775fb53ad02fa294f63e934911815 $ tokenizer Tokenizer Support enabled wddx WDDX Support enabled WDDX Session Serializer enabled xml XML Support active XML Namespace Support active libxml2 Version 2.9.1 xmlreader XMLReader enabled xmlwriter XMLWriter enabled Zend OPcache Opcode Caching Up and Running Optimization Enabled Startup OK Shared memory model mmap Cache hits 0 Cache misses 2 Used memory 5355140 Free memory 61753724 Wasted memory 0 Cached scripts 2 Cached keys 2 Max keys 3907 OOM restarts 0 Hash keys restarts 0 Manual restarts 0 Directive Local Value Master Value opcache.blacklist_filename no value no value opcache.consistency_checks 0 0 opcache.dups_fix Off Off opcache.enable On On opcache.enable_cli Off Off opcache.enable_file_override Off Off opcache.error_log no value no value opcache.fast_shutdown 0 0 opcache.force_restart_timeout 180 180 opcache.inherited_hack On On opcache.interned_strings_buffer 4 4 opcache.load_comments 1 1 opcache.log_verbosity_level 1 1 opcache.max_accelerated_files 2000 2000 opcache.max_file_size 0 0 opcache.max_wasted_percentage 5 5 opcache.memory_consumption 64 64 opcache.optimization_level 0xFFFFFFFF 0xFFFFFFFF opcache.preferred_memory_model no value no value opcache.protect_memory 0 0 opcache.restrict_api no value no value opcache.revalidate_freq 2 2 opcache.revalidate_path Off Off opcache.save_comments 1 1 opcache.use_cwd On On opcache.validate_timestamps On On zip Zip enabled Extension Version $Id: 7297523aaab210cb891a4b7673bbc301cd087033 $ Zip version 1.11.0 Libzip version 0.10.1 zlib ZLib Support enabled Stream Wrapper compress.zlib:// Stream Filter zlib.inflate, zlib.deflate Compiled Version 1.2.8 Linked Version 1.2.8 Directive Local Value Master Value zlib.output_compression Off Off zlib.output_compression_level -1 -1 zlib.output_handler no value no value Additional Modules Module Name sysvsem sysvshm Environment Variable Value APACHE_RUN_DIR /var/run/apache2 APACHE_PID_FILE /var/run/apache2/apache2.pid PATH /usr/local/bin:/usr/bin:/bin APACHE_LOCK_DIR /var/lock/apache2 LANG C APACHE_RUN_USER www-data APACHE_RUN_GROUP www-data APACHE_LOG_DIR /var/log/apache2 PWD / PHP Variables Variable Value _SERVER["HTTP_HOST"] 192.168.0.101 _SERVER["HTTP_USER_AGENT"] Mozilla/5.0 (Windows NT 6.1; rv:26.0) Gecko/20100101 Firefox/26.0 _SERVER["HTTP_ACCEPT"] text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 _SERVER["HTTP_ACCEPT_LANGUAGE"] en-US,en;q=0.5 _SERVER["HTTP_ACCEPT_ENCODING"] gzip, deflate _SERVER["HTTP_CONNECTION"] keep-alive _SERVER["PATH"] /usr/local/bin:/usr/bin:/bin _SERVER["SERVER_SIGNATURE"] <address>Apache/2.4.6 (Ubuntu) Server at 192.168.0.101 Port 80</address> _SERVER["SERVER_SOFTWARE"] Apache/2.4.6 (Ubuntu) _SERVER["SERVER_NAME"] 192.168.0.101 _SERVER["SERVER_ADDR"] 192.168.0.101 _SERVER["SERVER_PORT"] 80 _SERVER["REMOTE_ADDR"] 192.168.0.100 _SERVER["DOCUMENT_ROOT"] /var/www _SERVER["REQUEST_SCHEME"] http _SERVER["CONTEXT_PREFIX"] no value _SERVER["CONTEXT_DOCUMENT_ROOT"] /var/www _SERVER["SERVER_ADMIN"] webmaster@localhost _SERVER["SCRIPT_FILENAME"] /var/www/phpinfo.php _SERVER["REMOTE_PORT"] 50869 _SERVER["GATEWAY_INTERFACE"] CGI/1.1 _SERVER["SERVER_PROTOCOL"] HTTP/1.1 _SERVER["REQUEST_METHOD"] GET _SERVER["QUERY_STRING"] no value _SERVER["REQUEST_URI"] /phpinfo.php _SERVER["SCRIPT_NAME"] /phpinfo.php _SERVER["PHP_SELF"] /phpinfo.php _SERVER["REQUEST_TIME_FLOAT"] 1388408150.042 _SERVER["REQUEST_TIME"] 1388408150 |
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Without seeing your code it is difficult to say if your problem is a programming error or a php configuration error. What distribution / version of linux are you running? As far a I know track_vars is always enabled. |
I am sorry ! Here is the HTML form:
<form id="loginform" method="post" action="request.php"> <fieldset> <legend class="textcenter">Login informations</legend> <table border="0" cellpadding="30" cellspacing="30"> <tr> <td>User name:</td> <td><input type="text" size="20" class="login" id="username"></td> </tr> <tr> <td>Password:</td> <td><input type="password" size="20" class="login" id="password"></td> </tr> <tr> <td class="textcenter" colspan="2"><input type="submit" id="loginButton" disabled value="login"></td> </tr> <tr> <td class="textcenter" colspan="2"><a href="signup.html">Forgot password: click here</a></td> </tr> <tr> <td class="textcenter" colspan="2"><a href="signup.html">New user: click here</a></td> </tr> </table> </fieldset> </form> And Here is my PHP code: <?php echo "Welcome " .$_POST['username']; ?> I received a notice as the index 'username' is undefined. I also tried: $rawdata = file_get_contents('php://input'); var_dump($rawdata); and with: var_dump($_POST); they give both empty array; By the way, I am using Ubuntu Server 13.10 with the LAMP package. Thanks again. |
The reason you are getting the error is because id and class are not valid text box attributes. try:
<input type="text" size="20" name="username"> Same goes for the button. disabled will disable the button. Try: <input type="submit" value="login"> |
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