Problem with HTML form submit

Question

Can anyone tell me why this form does not properly submit values to server?

 <form method="post" action="http://www.***.com/index.php/session/authenticate" class="form login" id="login_form"> <div class="group wat-cf"> <div class="left"> <label class="label right">Login</label> </div> <div class="right"> <input type="text" class="text_field" id="username"/> </div> </div> <div class="group wat-cf"> <div class="left"> <label class="label right">Password</label> </div> <div class="right"> <input type="password" class="text_field" id="password"/> </div> </div> <div class="group navform wat-cf"> <div class="right"> <button class="button" type="submit"> <img src="images/icons/key.png" alt="Save" /> Login </button> </div> </div> </form>

On the server side I echo out the $_POST superglobal which is empty, and I can see my request headers which are sent when the form is submitted:

Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3 Accept-Encoding:gzip,deflate,sdch Accept-Language:en-US,en;q=0.8 Cache-Control:max-age=0 Connection:keep-alive Content-Length:0 Content-Type:application/x-www-form-urlencoded Cookie:ci_session=***session_id=***user_agent%22%3Bs%3A50%3A%22Mozilla%2F5.0+%28Macintosh%3B+Intel+Mac+OS+X+10_6_7%29+App%22%3Bs%3A13%3A%22last_activity%22%3Bi%3A1307578661%3B%7D31ee24db2875550081268dc7df883f76; ci_csrf_token=*** Host:www.***.com Origin:http://**.com Referer:http://***.com/index.php/session/login User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/*** Safari/534.30

Do you var_dump $_POST or $_POST['']? Because that looks correct. Also, you should use var_dump or print_r as the $_POST is an array — Colum
– Colum, Commented Jun 9, 2011 at 0:31
I'm just commenting out the action url for security purposes, the actual form has the proper action url which is confirmed by the output from my php script on the server — Casey Flynn
– Casey Flynn, Commented Jun 9, 2011 at 0:31
insecure to give us the url of a site on the internet, there must be a lot of insure sits out there then :-) — user557846
– user557846, Commented Jun 9, 2011 at 0:33

royrui · Accepted Answer · 2011-06-09 00:30:39Z

11

You forgot to give the name for the input type, like this

<input type="text" class="text_field" name="username" id="username"/> <input type="password" class="text_field" name="password" id="password"/>

answered Jun 9, 2011 at 0:30

royrui

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4 Comments

Casey Flynn Over a year ago

I thought using 'name' was deprecated in favor of 'id'?

Colum Over a year ago

No, they are both used. Name is for the server (the actual name of the field), id is used for CSS. The ID is not sent to the server

Abel Mohler Over a year ago

name is not deprecated for form elements.

Kevin Ji Over a year ago

name is only deprecated for most elements outside of form elements, and on form itself. It is not deprecated for input elements and the like.

Nico Burns · Accepted Answer · 2011-06-09 00:33:30Z

You input tags have no name attribute. I think you are using id's instead of name's

For instance

<input type="text" class="text_field" id="username"/>

should be

<input type="text" class="text_field" id="username" name="username" />

or simply

<input type="text" class="text_field" name="username"/>

if you are not using the id's for anything else.

Kevin Nelson · Accepted Answer · 2011-06-09 00:36:00Z

It's the name attribute of input elements that's submitted on the form. Use name='username', etc.

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