What are some best practices for handling header-related problems in PHP development?

Issue: Handling header-related problems in PHP development involves ensuring that headers are set correctly and not sent before they should be. One common problem is the "headers already sent" error, which occurs when output is sent to the browser before headers are set. To solve this, make sure to set headers before any output is sent to the browser. PHP Code Snippet: 

<?php
// Set headers before any output
header("Content-Type: text/html");

// Output content
echo "Hello, world!";
?>

Keywords

HTTP headers PHP development header manipulation error handling security vulnerabilities

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