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Server : LiteSpeed System : Linux srv104790275 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 User : dewac4139 ( 1077) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/local/CyberCP/public/phpmyadmin/libraries/classes/ |
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<?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';
}
}