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<?php |
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/** |
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* Deal with the cache directory and cached items. |
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* |
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*/ |
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class CCache |
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{ |
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/** |
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* Path to the cache directory. |
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*/ |
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private $path; |
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/** |
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* Set the path to the cache dir which must exist. |
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* |
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* @param string path to the cache dir. |
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* |
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* @throws Exception when $path is not a directory. |
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* |
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* @return $this |
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*/ |
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public function setDir($path) |
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{ |
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if (!is_dir($path)) { |
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throw new Exception("Cachedir is not a directory."); |
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} |
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$this->path = $path; |
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return $this; |
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} |
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/** |
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* Get the path to the cache subdir and try to create it if its not there. |
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* |
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* @param string $subdir name of subdir |
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* @param array $create default is to try to create the subdir |
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* |
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* @return string | boolean as real path to the subdir or |
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* false if it does not exists |
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*/ |
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public function getPathToSubdir($subdir, $create = true) |
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{ |
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$path = realpath($this->path . "/" . $subdir); |
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if (is_dir($path)) { |
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return $path; |
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} |
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if ($create && is_writable($this->path)) { |
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$path = $this->path . "/" . $subdir; |
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if (mkdir($path)) { |
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return realpath($path); |
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} |
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} |
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return false; |
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} |
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/** |
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* Get status of the cache subdir. |
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* |
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* @param string $subdir name of subdir |
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* |
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* @return string with status |
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*/ |
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public function getStatusOfSubdir($subdir) |
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{ |
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$path = realpath($this->path . "/" . $subdir); |
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$exists = is_dir($path); |
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$res = $exists ? "exists" : "does not exist"; |
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if ($exists) { |
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$res .= is_writable($path) ? ", writable" : ", not writable"; |
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} |
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return $res; |
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} |
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89
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90
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/** |
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* Remove the cache subdir. |
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* |
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* @param string $subdir name of subdir |
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* |
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* @return null | boolean true if success else false, null if no operation |
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*/ |
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public function removeSubdir($subdir) |
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{ |
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$path = realpath($this->path . "/" . $subdir); |
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if (is_dir($path)) { |
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return rmdir($path); |
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} |
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return null; |
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} |
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} |
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mosbth /
cimage
