What are some best practices for saving browser output to a server file in PHP?

When saving browser output to a server file in PHP, it is important to ensure that the file is writable by the server and that the correct permissions are set. It is also recommended to sanitize the input data to prevent any potential security vulnerabilities. Using file_put_contents() function is a simple and effective way to save browser output to a server file. 

<?php
// Sanitize the input data
$output = filter_var($_POST['output'], FILTER_SANITIZE_STRING);

// Specify the file path
$file = 'output.txt';

// Save the output to the file
file_put_contents($file, $output);
?>

Keywords

file_put_contents fopen fwrite file_get_contents error handling

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