How can one troubleshoot and debug errors related to PHP functions like "filetype()" returning warnings like "Lstat failed"?

When the PHP function "filetype()" returns a warning like "Lstat failed", it usually indicates an issue with accessing the file system or file permissions. To troubleshoot this error, check the file path, ensure that the file exists, and verify that the PHP script has the necessary permissions to access the file. 

$file_path = 'path/to/file.txt';

if (file_exists($file_path)) {
    $file_type = filetype($file_path);
    echo "File type: " . $file_type;
} else {
    echo "File does not exist or cannot be accessed.";
}

Keywords

PHP filetype() Lstat failed troubleshooting debugging

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