How can beginners avoid header modification errors in PHP scripts by following best practices for output handling and script structure?

Beginners can avoid header modification errors in PHP scripts by following best practices for output handling and script structure. One common mistake is attempting to modify headers after any content has been sent to the browser. To prevent this error, it's recommended to handle all header modifications at the beginning of the script before any output is generated. 

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

// Start session if needed
session_start();

// Other script logic goes here
?>

Keywords

header modification PHP scripts output handling script structure beginners

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