opensim-www – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | eva | 1 | <?php |
| 2 | class UUID { |
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| 3 | /** |
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| 4 | * Generates version 1: MAC address |
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| 5 | */ |
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| 6 | public static function v1() { |
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| 7 | if (!function_exists('uuid_create')) |
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| 8 | return false; |
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| 9 | |||
| 10 | uuid_create($context); |
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| 11 | uuid_make($context, UUID_MAKE_V1); |
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| 12 | uuid_export($context, UUID_FMT_STR, $uuid); |
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| 13 | return trim($uuid); |
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| 14 | } |
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| 15 | |||
| 16 | /** |
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| 17 | * Generates version 3 UUID: MD5 hash of URL |
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| 18 | */ |
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| 19 | public static function v3($i_url) { |
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| 20 | if (!function_exists('uuid_create')) |
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| 21 | return false; |
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| 22 | |||
| 23 | if (!strlen($i_url)) |
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| 24 | $i_url = self::v1(); |
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| 25 | |||
| 26 | uuid_create($context); |
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| 27 | uuid_create($namespace); |
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| 28 | |||
| 29 | uuid_make($context, UUID_MAKE_V3, $namespace, $i_url); |
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| 30 | uuid_export($context, UUID_FMT_STR, $uuid); |
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| 31 | return trim($uuid); |
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| 32 | } |
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| 33 | |||
| 34 | /** |
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| 35 | * Generates version 4 UUID: random |
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| 36 | */ |
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| 37 | public static function v4() { |
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| 38 | if (!function_exists('uuid_create')) |
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| 39 | return false; |
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| 40 | |||
| 41 | uuid_create($context); |
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| 42 | |||
| 43 | uuid_make($context, UUID_MAKE_V4); |
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| 44 | uuid_export($context, UUID_FMT_STR, $uuid); |
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| 45 | return trim($uuid); |
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| 46 | } |
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| 47 | |||
| 48 | /** |
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| 49 | * Generates version 5 UUID: SHA-1 hash of URL |
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| 50 | */ |
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| 51 | public static function v5($i_url) { |
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| 52 | if (!function_exists('uuid_create')) |
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| 53 | return false; |
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| 54 | |||
| 55 | if (!strlen($i_url)) |
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| 56 | $i_url = self::v1(); |
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| 57 | |||
| 58 | uuid_create($context); |
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| 59 | uuid_create($namespace); |
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| 60 | |||
| 61 | uuid_make($context, UUID_MAKE_V5, $namespace, $i_url); |
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| 62 | uuid_export($context, UUID_FMT_STR, $uuid); |
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| 63 | return trim($uuid); |
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| 64 | } |
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| 65 | } |
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| 66 | ?> |