scratch – Blame information for rev
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Rev | Author | Line No. | Line |
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115 | office | 1 | <?php |
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 | |||
20 | namespace Doctrine\Common\Cache; |
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21 | |||
22 | /** |
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23 | * Php file cache driver. |
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24 | * |
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25 | * @since 2.3 |
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26 | * @author Fabio B. Silva <fabio.bat.silva@gmail.com> |
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27 | */ |
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28 | class PhpFileCache extends FileCache |
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29 | { |
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30 | const EXTENSION = '.doctrinecache.php'; |
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31 | |||
32 | /** |
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33 | * {@inheritdoc} |
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34 | */ |
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35 | public function __construct($directory, $extension = self::EXTENSION, $umask = 0002) |
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36 | { |
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37 | parent::__construct($directory, $extension, $umask); |
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38 | } |
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39 | |||
40 | /** |
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41 | * {@inheritdoc} |
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42 | */ |
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43 | protected function doFetch($id) |
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44 | { |
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45 | $value = $this->includeFileForId($id); |
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46 | |||
47 | if (! $value) { |
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48 | return false; |
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49 | } |
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50 | |||
51 | if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) { |
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52 | return false; |
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53 | } |
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54 | |||
55 | return $value['data']; |
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56 | } |
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57 | |||
58 | /** |
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59 | * {@inheritdoc} |
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60 | */ |
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61 | protected function doContains($id) |
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62 | { |
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63 | $value = $this->includeFileForId($id); |
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64 | |||
65 | if (! $value) { |
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66 | return false; |
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67 | } |
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68 | |||
69 | return $value['lifetime'] === 0 || $value['lifetime'] > time(); |
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70 | } |
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71 | |||
72 | /** |
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73 | * {@inheritdoc} |
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74 | */ |
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75 | protected function doSave($id, $data, $lifeTime = 0) |
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76 | { |
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77 | if ($lifeTime > 0) { |
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78 | $lifeTime = time() + $lifeTime; |
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79 | } |
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80 | |||
81 | if (is_object($data) && ! method_exists($data, '__set_state')) { |
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82 | throw new \InvalidArgumentException( |
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83 | "Invalid argument given, PhpFileCache only allows objects that implement __set_state() " . |
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84 | "and fully support var_export(). You can use the FilesystemCache to save arbitrary object " . |
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85 | "graphs using serialize()/deserialize()." |
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86 | ); |
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87 | } |
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88 | |||
89 | $filename = $this->getFilename($id); |
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90 | |||
91 | $value = array( |
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92 | 'lifetime' => $lifeTime, |
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93 | 'data' => $data |
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94 | ); |
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95 | |||
96 | $value = var_export($value, true); |
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97 | $code = sprintf('<?php return %s;', $value); |
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98 | |||
99 | return $this->writeFile($filename, $code); |
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100 | } |
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101 | |||
102 | /** |
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103 | * @param string $id |
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104 | * |
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105 | * @return array|false |
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106 | */ |
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107 | private function includeFileForId($id) |
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108 | { |
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109 | $fileName = $this->getFilename($id); |
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110 | |||
111 | // note: error suppression is still faster than `file_exists`, `is_file` and `is_readable` |
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112 | $value = @include $fileName; |
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113 | |||
114 | if (! isset($value['lifetime'])) { |
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115 | return false; |
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116 | } |
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117 | |||
118 | return $value; |
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119 | } |
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120 | } |