How can PHP beginners handle fatal errors when iterating through a directory tree?

When iterating through a directory tree in PHP, beginners may encounter fatal errors if the script tries to access directories that the user does not have permission to read. To handle these errors, beginners can use try-catch blocks to catch exceptions when attempting to access directories that may cause fatal errors. 

try {
    $iterator = new RecursiveDirectoryIterator('/path/to/directory');
    $iterator = new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::SELF_FIRST);
    
    foreach ($iterator as $file) {
        // Process files or directories here
    }
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
}

Keywords

PHP fatal errors directory tree iteration error handling

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