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<?php |
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/* |
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* This file is part of CacheTool. |
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* |
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* (c) Samuel Gordalina <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace CacheTool\Proxy; |
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use CacheTool\Adapter\AbstractAdapter; |
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use CacheTool\Code; |
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class PhpProxy implements ProxyInterface |
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{ |
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/** |
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* @var AbstractAdapter |
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*/ |
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protected $adapter; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFunctions() |
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{ |
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return array( |
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'extension_loaded', |
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'ini_get', |
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'ini_set', |
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'phpversion', |
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'stat_realpath_get', |
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'stat_realpath_size', |
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'stat_cache_clear', |
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'_eval', |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setAdapter(AbstractAdapter $adapter) |
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{ |
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$this->adapter = $adapter; |
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} |
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/** |
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* Find out whether an extension is loaded |
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* |
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* @param string $name The extension name. This parameter is case-insensitive |
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* @return boolean Returns TRUE if the extension identified by name is loaded, FALSE otherwise |
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*/ |
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public function extension_loaded($name) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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"return extension_loaded(%s);", |
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var_export($name, true) |
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)); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Gets the value of a configuration option |
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* |
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* @param string $varname The configuration option name |
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* @return string Returns the value of the configuration option as a string on success, or an empty string |
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* for null values. Returns FALSE if the configuration option doesn't exist. |
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*/ |
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public function ini_get($varname) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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"return ini_get(%s);", |
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var_export($varname, true) |
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)); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Gets the value of a configuration option |
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* |
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* @param string $varname Not all the available options can be changed using ini_set(). There is a list of all |
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* available options in the appendix. |
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* @param string $newvalue The new value for the option |
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* @return string Returns the old value on success, FALSE on failure |
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*/ |
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public function ini_set($varname, $newvalue) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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"return ini_set(%s, %s);", |
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var_export($varname, true), |
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var_export($newvalue, true) |
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)); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Returns a string containing the version of the currently running PHP parser or extension. |
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* |
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* @param string $extension An optional extension name |
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* @return string |
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*/ |
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public function phpversion($extension = null) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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"return phpversion(%s);", |
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var_export($extension, true) |
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)); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Get contents of the realpath cache |
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* |
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* @since 5.3.2 |
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* @return array Returns an array of realpath cache entries. The keys are original path entries, |
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* and the values are arrays of data items, containing the resolved path, expiration date, and |
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* other options kept in the cache. |
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*/ |
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public function stat_realpath_get() |
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{ |
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$code = new Code(); |
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$code->addStatement('return realpath_cache_get();'); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Returns how much memory realpath cache is using. |
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* |
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* @since 5.3.2 |
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* @return int Memory usage in bytes |
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*/ |
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public function stat_realpath_size() |
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{ |
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$code = new Code(); |
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$code->addStatement('return realpath_cache_size();'); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Resets the contents of the file status cache, including the realpath cache |
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* |
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* @return void |
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*/ |
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public function stat_cache_clear() |
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{ |
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$code = new Code(); |
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$code->addStatement('return clearstatcache(true);'); |
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return $this->adapter->run($code); |
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} |
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/** |
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* Evaluate a string as PHP code |
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* |
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* @param string $expression Evaluates the given code as PHP |
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* @return mixed |
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*/ |
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public function _eval($expression) |
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{ |
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$code = new Code(); |
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$code->addStatement($expression); |
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return $this->adapter->run($code); |
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} |
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} |
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gordalina /
cachetool
