PHP finfo_set_flags() Function

<?php

// Create a new Fileinfo resource
$fileInfo = finfo_open(FILEINFO_MIME_TYPE);

// Set the flags to include MIME encoding
// information
finfo_set_flags($fileInfo, 
    FILEINFO_MIME_TYPE | FILEINFO_MIME_ENCODING);

// Get the file type of a specific file
$filename = "./output.txt";
$fileType = finfo_file($fileInfo, $filename);
echo "File type of $filename is: $fileType\n";

// Close the Fileinfo resource
finfo_close($fileInfo);
?>

<?php

// Create a new Fileinfo resource to get MIME type
$fileInfo = finfo_open(FILEINFO_MIME_TYPE);

// Check if the Fileinfo resource was
// created successfully
if (!$fileInfo) {
    die("Failed to create Fileinfo resource.");
}

// List of filenames to check
$filenames = ["example.php", "output.jpg"];

foreach ($filenames as $filename) {
    
    // Get the file type (MIME) of the current file
    $fileType = finfo_file($fileInfo, $filename);
    echo "File type of $filename is: $fileType\n";
}

// Close the Fileinfo resource
finfo_close($fileInfo);

?>