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In what situations should the $_SERVER['PHP_SELF'] variable be used in PHP forms, and are there any security concerns associated with its usage?

When using PHP forms, the $_SERVER['PHP_SELF'] variable should be used in the action attribute of the form tag to ensure that the form data is submitt...

What are the differences between using a <Meta>-Refresh and header("Location: ...") to redirect URLs in PHP?

Using a <Meta>-Refresh tag in HTML is a client-side redirect that instructs the browser to automatically navigate to a new URL after a specified time....

What are some common pitfalls when dealing with UTF-8 encoding and special characters in PHP applications?

Common pitfalls when dealing with UTF-8 encoding and special characters in PHP applications include not setting the correct encoding for input/output,...

What is the best way to include navigation from a CSV file in a PHP webpage and link each item to a separate content file?

To include navigation from a CSV file in a PHP webpage and link each item to a separate content file, you can read the CSV file, loop through its rows...

What are the different ways to embed PHP code in HTML?

To embed PHP code in HTML, there are several ways to do so. One common method is to use the `<?php ?>` tags to enclose the PHP code within the HTML fi...