clockwerk-www – Blame information for rev 1
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Rev | Author | Line No. | Line |
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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 | ?> |