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In high school grammar: I am having an issue with the header() function in PHP.


I don't understand how to use the header() function correctly in PHP. Can you explain it to me better so I can fix my code?

Three large files are included on every page of my website that the user can view: upper portion of page_header.php Page Footer.php is at the bottom. The page content is in the middle.

I've posted reset_request.inc.php in case you'd like to view it. (2.6 KB)

Do I correctly use headers? I looked up solutions to the problem online, but when I came across one, such ob_start(), I also read that it was only masking the issue rather than fixing it. How can I locate the issue's origin?

This error indicates that the session_start() call was made before any output was sent to the browser. Most likely, your header() calls have nothing to do with it. It's difficult to diagnose from here because you didn't display the code of the user-visible page that contained page_header.php. Display the code (the part that comes before the inclusion) or begin examining it to see if there is anything that may be sent to the browser. For instance!DOCTYPE can be an indication of what you're sending out.

You're included this file in another file, as indicated by the file name. The browser has already received some form of output from the other file. Put this file on line 1, character 1, in the other file.

You're included this file in another file, as indicated by the file name. The browser has already received some form of output from the other file. Put this file on line 1, character 1, in the other file.

The file page_header.php is as follows: Page header (5.0 KB): PHP

Additionally, the header.php file that was a part of the earlier one: header.php (3.7 KB)

This is index.inc.php and its contents: index.inc.php (3.6 KB)

Is page_header.php the primary page that is retrieved next? Header.php is needed, but neither index.ini.php nor page_footer.php are needed for anything. In what way or where are these two files needed?

The most likely reason for the aforementioned is that the primary file or page that is accessed is producing content prior to the start of the session. The issue most likely stems from the fact that page_header.php, the main page, was saved using UTF-8 encoding and contains Byte Order Mark (BOM) characters. If so, saving the file without the BOM characters is the solution.

Regarding the second issue, the mail() call is located on line 76 of the attached code, which is part of the reset_request.inc.php code (which is the subject of a post method form submission). The header() call is on line 78, and line 77 is blank. The most likely reason for this issue is that the page is displaying a PHP error that is being caused by the mail() call. What is displayed in the page's view source, and is there a notice about mail in the error log?

What specific URL does the reset_request_inc.php code redirect to, and why may it work when you reload the page? It's not reset_notice.php, I think, or maybe there's some code on reset_notice.php that's rerouting the browser to a different website. One of the issues with all of these redirection is this.

It's page_header.php. Page header (5.0 KB): PHP This is header.php, a file that is part of page+header.php. header.php (3.6 KB) And this is fetch.php with the pertinent information. fetch.php (4.6 KB)

It looks that the downloaded page_header.php file lacks the BOM characters now that you have finally demonstrated how to generate the main page (however publishing the file to a site can remove them.) Reset_password.php is left. Is the file saved with the BOM characters encoded in UTF-8? Does reset_password.php contain any content prior to the

Regarding the function of reset_request.inc.php. You have a logical error hidden in that needless wall of code, to which I suspect you will adopt the ideas to make it simpler. It seems like you are testing this without actually changing the password every time, right? As a result, the value of $rowcount > 0. The code inserts the tokens, builds the email, and sends the email, but never runs the if($rowcount > 0){ logic to remove any existing tokens because $rowcount is not equal to 0 at that point. The reasoning functions as expected when you reload the page because the $rowcount is now 0.

No, it doesn't. I'm not sure I know what BOM characters are. This is the first time I've seen it. I was instructed to add this row of code in the database connect file. "SET NAMES 'utf8'"); $db->exec("); I made modifications and deleted it as I couldn't find it in any online database connection code when I uploaded my website to the hosting server and nothing worked. Are these the characters from BOM? Is it sufficient? In page_header.php, how and where can I define BOM characters? Is this why there is a PHP warning all the time?

Sometimes, the editor you use to create and edit text files will append BOM (Byte Order Mark) characters to the beginning of such files (the ones that include your HTML code, PHP scripts, etc.). They are used to indicate the order in which the multiple bytes for each character are placed and in scenarios where the file may be stored such that more than one byte represents a character.

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