1 | <?php |
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2 | |||
3 | /** |
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4 | * Memcache CacheResource |
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5 | * CacheResource Implementation based on the KeyValueStore API to use |
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6 | * memcache as the storage resource for Smarty's output caching. |
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7 | * Note that memcache has a limitation of 256 characters per cache-key. |
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8 | * To avoid complications all cache-keys are translated to a sha1 hash. |
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9 | * |
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10 | * @package CacheResource-examples |
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11 | * @author Rodney Rehm |
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12 | */ |
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13 | class Smarty_CacheResource_Memcache extends Smarty_CacheResource_KeyValueStore |
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14 | { |
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15 | /** |
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16 | * memcache instance |
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17 | * |
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18 | * @var Memcache |
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19 | */ |
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20 | protected $memcache = null; |
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21 | |||
22 | /** |
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23 | * Smarty_CacheResource_Memcache constructor. |
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24 | */ |
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25 | public function __construct() |
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26 | { |
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27 | if (class_exists('Memcached')) { |
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28 | $this->memcache = new Memcached(); |
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29 | } else { |
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30 | $this->memcache = new Memcache(); |
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31 | } |
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32 | $this->memcache->addServer('127.0.0.1', 11211); |
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33 | } |
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34 | |||
35 | /** |
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36 | * Read values for a set of keys from cache |
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37 | * |
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38 | * @param array $keys list of keys to fetch |
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39 | * |
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40 | * @return array list of values with the given keys used as indexes |
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41 | * @return boolean true on success, false on failure |
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42 | */ |
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43 | protected function read(array $keys) |
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44 | { |
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45 | $res = array(); |
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46 | foreach ($keys as $key) { |
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47 | $k = sha1($key); |
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48 | $res[$key] = $this->memcache->get($k); |
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49 | } |
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50 | return $res; |
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51 | } |
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52 | |||
53 | /** |
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54 | * Save values for a set of keys to cache |
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55 | * |
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56 | * @param array $keys list of values to save |
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57 | * @param int $expire expiration time |
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58 | * |
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59 | * @return boolean true on success, false on failure |
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60 | */ |
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61 | protected function write(array $keys, $expire = null) |
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62 | { |
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63 | foreach ($keys as $k => $v) { |
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64 | $k = sha1($k); |
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65 | if (class_exists('Memcached')) { |
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66 | $this->memcache->set($k, $v, $expire); |
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67 | } else { |
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68 | $this->memcache->set($k, $v, 0, $expire); |
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69 | } |
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70 | } |
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71 | return true; |
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72 | } |
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73 | |||
74 | /** |
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75 | * Remove values from cache |
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76 | * |
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77 | * @param array $keys list of keys to delete |
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78 | * |
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79 | * @return boolean true on success, false on failure |
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80 | */ |
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81 | protected function delete(array $keys) |
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82 | { |
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83 | foreach ($keys as $k) { |
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84 | $k = sha1($k); |
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85 | $this->memcache->delete($k); |
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86 | } |
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87 | return true; |
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88 | } |
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89 | |||
90 | /** |
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91 | * Remove *all* values from cache |
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92 | * |
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93 | * @return boolean true on success, false on failure |
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94 | */ |
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95 | protected function purge() |
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96 | { |
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97 | return $this->memcache->flush(); |
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98 | } |
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99 | } |
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100 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..