cadmium-org /
cadmium-cms
| 1 | <?php |
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| 12 | abstract class Mime extends Range { |
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| 13 | |||
| 14 | protected static $range = []; |
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| 15 | |||
| 16 | /** |
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| 17 | * Check if an extension is of a given type |
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| 18 | */ |
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| 19 | |||
| 20 | private static function checkType(string $extension, string $type) : bool { |
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| 21 | |||
| 22 | if (false === ($mime = self::get($extension))) return false; |
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| 23 | |||
| 24 | return (preg_match(('/^' . $type . '\//'), $mime) ? true : false); |
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| 25 | } |
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| 26 | |||
| 27 | /** |
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| 28 | * Autoloader |
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| 29 | */ |
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| 30 | |||
| 31 | public static function __autoload() { |
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| 32 | |||
| 33 | self::init(DIR_DATA . 'Mime.php'); |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Check if a given extension is of an image type |
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| 38 | */ |
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| 39 | |||
| 40 | public static function isImage(string $extension) : bool { |
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| 41 | |||
| 42 | return self::checkType($extension, 'image'); |
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| 43 | } |
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| 44 | |||
| 45 | /** |
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| 46 | * Check if a given extension is of an audio type |
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| 47 | */ |
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| 48 | |||
| 49 | public static function isAudio(string $extension) : bool { |
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| 50 | |||
| 51 | return self::checkType($extension, 'audio'); |
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| 52 | } |
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| 53 | |||
| 54 | /** |
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| 55 | * Check if a given extension is of a video type |
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| 56 | */ |
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| 57 | |||
| 58 | public static function isVideo(string $extension) : bool { |
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| 59 | |||
| 60 | return self::checkType($extension, 'video'); |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 |
