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1 <?php
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2 /*
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3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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14 *
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15 * This software consists of voluntary contributions made by many individuals
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16 * and is licensed under the MIT license. For more information, see
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17 * <http://www.doctrine-project.org>.
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18 */
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19
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20 namespace Doctrine\Common\Cache;
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21
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22 /**
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23 * APC cache provider.
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24 *
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25 * @link www.doctrine-project.org
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26 * @deprecated since version 1.6, use ApcuCache instead
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27 * @since 2.0
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28 * @author Benjamin Eberlei <kontakt@beberlei.de>
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29 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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30 * @author Jonathan Wage <jonwage@gmail.com>
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31 * @author Roman Borschel <roman@code-factory.org>
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32 * @author David Abdemoulaie <dave@hobodave.com>
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33 */
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34 class ApcCache extends CacheProvider
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35 {
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36 /**
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37 * {@inheritdoc}
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38 */
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39 protected function doFetch($id)
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40 {
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41 return apc_fetch($id);
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42 }
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43
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44 /**
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45 * {@inheritdoc}
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46 */
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47 protected function doContains($id)
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48 {
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49 return apc_exists($id);
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50 }
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51
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52 /**
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53 * {@inheritdoc}
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54 */
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55 protected function doSave($id, $data, $lifeTime = 0)
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56 {
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57 return apc_store($id, $data, $lifeTime);
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58 }
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59
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60 /**
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61 * {@inheritdoc}
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62 */
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63 protected function doDelete($id)
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64 {
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65 // apc_delete returns false if the id does not exist
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66 return apc_delete($id) || ! apc_exists($id);
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67 }
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68
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69 /**
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70 * {@inheritdoc}
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71 */
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72 protected function doFlush()
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73 {
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74 return apc_clear_cache() && apc_clear_cache('user');
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75 }
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76
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77 /**
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78 * {@inheritdoc}
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79 */
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80 protected function doFetchMultiple(array $keys)
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81 {
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82 return apc_fetch($keys) ?: [];
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83 }
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84
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85 /**
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86 * {@inheritdoc}
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87 */
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88 protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
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89 {
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90 $result = apc_store($keysAndValues, null, $lifetime);
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91
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92 return empty($result);
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93 }
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94
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95 /**
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96 * {@inheritdoc}
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97 */
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98 protected function doGetStats()
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99 {
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100 $info = apc_cache_info('', true);
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101 $sma = apc_sma_info();
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102
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103 // @TODO - Temporary fix @see https://github.com/krakjoe/apcu/pull/42
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104 if (PHP_VERSION_ID >= 50500) {
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105 $info['num_hits'] = isset($info['num_hits']) ? $info['num_hits'] : $info['nhits'];
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106 $info['num_misses'] = isset($info['num_misses']) ? $info['num_misses'] : $info['nmisses'];
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107 $info['start_time'] = isset($info['start_time']) ? $info['start_time'] : $info['stime'];
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108 }
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109
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110 return array(
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111 Cache::STATS_HITS => $info['num_hits'],
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112 Cache::STATS_MISSES => $info['num_misses'],
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113 Cache::STATS_UPTIME => $info['start_time'],
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114 Cache::STATS_MEMORY_USAGE => $info['mem_size'],
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115 Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],
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116 );
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117 }
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118 }
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