| 1 | <?php |
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| 15 | class Version |
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| 16 | { |
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| 17 | /** |
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| 18 | * Tag version 2.2 |
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| 19 | */ |
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| 20 | const VERSION_22 = 2; |
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| 21 | |||
| 22 | /** |
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| 23 | * Tag version 2.3 |
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| 24 | */ |
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| 25 | const VERSION_23 = 3; |
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| 26 | |||
| 27 | /** |
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| 28 | * Tag version 2.4 |
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| 29 | */ |
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| 30 | const VERSION_24 = 4; |
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| 31 | |||
| 32 | /** |
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| 33 | * Valid versions |
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| 34 | * |
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| 35 | * @var int[] |
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| 36 | */ |
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| 37 | protected static $values = [ |
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| 38 | self::VERSION_22, |
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| 39 | self::VERSION_23, |
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| 40 | self::VERSION_24 |
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| 41 | ]; |
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| 42 | |||
| 43 | /** |
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| 44 | * Return valid versions |
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| 45 | * |
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| 46 | * @return int[] |
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| 47 | */ |
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| 48 | public static function values() |
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| 52 | } |
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| 53 |