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Answer 1

A:

Check for a space, newline, or any other characters before the <?php, Any output before session_start() will cause that error.

The error specifically states that the output is on line 1 of login.php, while session_start() is on line 2. Thus it's probably a space or some other character.

AlReece45 2010-05-05 00:09:03

i did. that php script is the only script in this html file. i even tried by getting rid of those extra spaces in front of "$_SESSION", "$host", "$path", $sid", "header", and "exit;"...and it still didn't work.

tooepic 2010-05-05 00:14:14

also, there's no space before or after <?php and no space before or after session_start();

tooepic 2010-05-05 00:16:23

And, if you still find no remedy, you can see if maybe it's a Unicode BOM issue. Check the encoding settings your text editor is using, and select an encoding without BOM, if possible. here's a short explanation of this and other issues:http://bytes.com/topic/php/insights/876324-php-common-newbie-pitfalls-1-headers-already-sent

grossvogel 2010-05-05 00:19:11

i'm using a simple text editor called notepad. how do i check this encoding settings...or is there such setting availability in notepad?

tooepic 2010-05-05 00:25:59

Answer 2

A:

NotePad is known to insert BOM in the beginning of the text file. When you save the file, please make sure you don't select Unicode or UTF-8 as encoding.

You can confirm if BOM is inserted by making a hex dump of the file. You can use this utility to do it,

http://www.richpasco.org/utilities/hexdump.html

If it doesn't start with 0x3C, you got BOM.

ZZ Coder 2010-05-05 00:33:57

For all these years, i have never noticed about this encoding choice. I just found out and saved it as ANSI and I don't get this warning anymore. Thanks for helping this newbie out.

tooepic 2010-05-05 00:52:32

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