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What potential issue could cause a PHP session to be terminated when a submit button is clicked?

When a submit button is clicked, it could potentially trigger a form submission that redirects the user to a different page or refreshes the current p...

What are the advantages and disadvantages of using absolute paths versus relative paths in PHP scripts, especially in the context of web development?

When working with file paths in PHP scripts, using absolute paths can provide a fixed reference to a specific file or directory on the server, ensurin...

Are there any best practices for handling line breaks and special characters when writing to text files in PHP?

When writing to text files in PHP, it is important to handle line breaks and special characters properly to ensure the integrity of the data. One comm...

What are the potential differences in behavior when running a PHP script from the command line versus user interaction?

When running a PHP script from the command line, there are potential differences in behavior compared to running it through user interaction. These di...

What are the differences between using an absolute URL and a relative URL in the header(location: $url) function?

When using the header(location: $url) function in PHP to redirect to a different page, you can specify the URL as an absolute URL or a relative URL. A...