What are some potential pitfalls when trying to save HTML output from PHP code into a file?

One potential pitfall when trying to save HTML output from PHP code into a file is not properly handling file permissions. Make sure the directory where you are trying to save the file has the correct write permissions for the PHP script to create a new file. Additionally, make sure to properly escape any special characters in the HTML output to avoid syntax errors or injection vulnerabilities. 

<?php
// Ensure the directory has the correct permissions
$directory = 'path/to/directory/';
if (!is_dir($directory)) {
    mkdir($directory, 0777, true);
}

// Generate HTML output
$htmlOutput = '<html><body><h1>Hello, World!</h1></body></html>';

// Save HTML output to a file
$filename = $directory . 'output.html';
file_put_contents($filename, $htmlOutput);
?>

Keywords

file_put_contents fopen fwrite file permissions encoding

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