What are the implications of not receiving headers in a PHP script, and how can this impact the functionality of the script?

If a PHP script does not receive headers, it may impact the functionality of the script as headers are essential for sending information such as cookies, content type, and caching directives to the browser. This can result in unexpected behavior or errors in the script. To ensure that headers are being received correctly, you can use the header() function in PHP to set headers before any output is sent to the browser. 

<?php
// Set headers before any output is sent
header("Content-Type: text/html");
// Rest of the PHP script
?>

Keywords

HTTP headers PHP script functionality impact error types

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