<input>, $_POST, and header()

[watagal]

Greetings--PHP Code:

15:		$postRememberUserName = $_POST['chkRememberUserName'];16:		$postRememberPassword = $_POST['chkRememberPassword'];

Output:

Notice: Undefined index: chkRememberPassword in D:\xampp\htdocs\_mysites\clark-kleinheinz.com\Html_php_code\processSignIn.php on line 16Warning: Cannot modify header information - headers already sent by (output started at D:\xampp\htdocs\_mysites\clark-kleinheinz.com\Html_php_code\processSignIn.php:16) in D:\xampp\htdocs\_mysites\clark-kleinheinz.com\Html_php_code\processSignIn.php on line 61

Both #15 & #16 are from <input type="checkbox"> elements in my Sign In form. The "'chkRememberUserName'" was checked and "'chkRememberPassword'" was unchecked. If Icheck both, I don't get these notices and warnings. Am I ok on this, no need to worry? Is a $_POST[] considered HTML code output, therefore the header() warning?TiA, Gal

[Wander]

no, the warning is the html output, not the $_POST datau can better use isset($_POST['something']) to see if something is checked, to prevent warnings being givenexample:$postRememberUserName = isset($_POST['chkRememberUserName'])?true:false;$postRememberPassword = isset($_POST['chkRememberPassword'])?true:false;after this, both variables will be true if checked and false if not checked

[watagal]

Thanks, I'll do as you suggest.So a checkbox, if unchecked will not return any POST data? not false, not "off", etc.Thanks again.

[justsomeguy]

So a checkbox, if unchecked will not return any POST data? not false, not "off", etc.

Correct