JezK

Edit File: Mime.php

<?php /** * MIME detection code. * * @todo Maybe we could try to use fileinfo module if loaded */ declare(strict_types=1); namespace PhpMyAdmin; use function chr; use function mb_strlen; use function mb_substr; use function substr; /** * PhpMyAdmin\Mime class; */ class Mime { /** * Tries to detect MIME type of content. * * @param string $test First few bytes of content to use for detection * * @return string */ public static function detect(&$test) { $len = mb_strlen($test); if ($len >= 2 && $test[0] == chr(0xff) && $test[1] == chr(0xd8)) { return 'image/jpeg'; } if ($len >= 3 && substr($test, 0, 3) === 'GIF') { return 'image/gif'; } if ($len >= 4 && mb_substr($test, 0, 4, '8bit') === "\x89PNG") { return 'image/png'; } return 'application/octet-stream'; } }