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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation\File\MimeType;
use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
use Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException;
/**
* Guesses the mime type using the PHP function mime_content_type().
*
* @author Bernhard Schussek <bernhard.schussek@symfony.com>
*/
class ContentTypeMimeTypeGuesser implements MimeTypeGuesserInterface
{
/**
* Returns whether this guesser is supported on the current OS/PHP setup
*
* @return Boolean
*/
static public function isSupported()
{
return function_exists('mime_content_type');
}
/**
* Guesses the mime type of the file with the given path
*
* @see MimeTypeGuesserInterface::guess()
*/
public function guess($path)
{
if (!is_file($path)) {
throw new FileNotFoundException($path);
}
if (!is_readable($path)) {
throw new AccessDeniedException($path);
}
if (!self::isSupported()) {
return null;
}
$type = mime_content_type($path);
// remove charset (added as of PHP 5.3)
if (false !== $pos = strpos($type, ';')) {
$type = substr($type, 0, $pos);
}
return $type;
}
}