How can one ensure that only True-Type Fonts are allowed in a file upload using PHP?

To ensure that only True-Type Fonts are allowed in a file upload using PHP, you can check the file type of the uploaded file and only allow files with the ".ttf" extension. This can be done by using the $_FILES superglobal array to access the file type and validate it before processing the file further. 

// Check if the uploaded file is a True-Type Font
$allowedFileType = ['ttf'];
$uploadedFileType = pathinfo($_FILES['file']['name'], PATHINFO_EXTENSION);

if (!in_array($uploadedFileType, $allowedFileType)) {
    echo "Only True-Type Fonts (.ttf) are allowed.";
    exit;
}

// Process the uploaded file further if it is a True-Type Font
// Your code to handle the file upload and processing goes here

Keywords

PHP file upload True-Type Fonts validation security

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