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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 ApcProxy 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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'apc_add', |
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'apc_bin_dump', |
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'apc_bin_dumpfile', |
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'apc_bin_load', |
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'apc_bin_loadfile', |
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'apc_cas', |
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'apc_cache_info', |
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'apc_clear_cache', |
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'apc_compile_file', |
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'apc_dec', |
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'apc_define_constants', |
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'apc_delete_file', |
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'apc_delete', |
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'apc_exists', |
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'apc_fetch', |
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'apc_inc', |
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'apc_load_constants', |
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'apc_sma_info', |
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'apc_store', |
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'apc_version' |
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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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* Caches a variable in the data store, only if it's not already stored |
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* |
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* Note: Unlike many other mechanisms in PHP, variables stored using apc_add() will persist between requests |
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* (until the value is removed from the cache). |
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* |
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* @since 3.0.13 |
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* @param mixed $key Store the variable using this name. keys are cache-unique, so attempting to use apc_add() to |
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* store data with a key that already exists will not overwrite the existing data, and will |
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* instead return FALSE. (This is the only difference between apc_add() and apc_store().) |
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* If $key is an array set Names in key, variables in value |
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* @param mixed $var The variable to store |
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* If $key is an array, this parameter is unused and set to NULL |
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* @param int $ttl Time To Live; store var in the cache for ttl seconds. After the ttl has passed, the stored |
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* variable will be expunged from the cache (on the next request). If no ttl is supplied |
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* (or if the ttl is 0), the value will persist until it is removed from the cache manually, |
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* or otherwise fails to exist in the cache (clear, restart, etc.). |
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* @return mixed |
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*/ |
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public function apc_add($key, $var = null, $ttl = 0) |
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{ |
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if (is_string($key) && $var === null) { |
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throw new \InvalidArgumentException('When $key is set $var cannot be null'); |
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} |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_add(%s, %s, %s);', |
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var_export($key, true), |
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var_export($var, true), |
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var_export($ttl, 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 a binary dump of the given files and user variables |
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* |
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* Returns a binary dump of the given files and user variables from the APC cache. A NULL for files or user_vars |
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* signals a dump of every entry, whereas array() will dump nothing |
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* |
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* @since 3.1.4 |
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* @param mixed $files The files. Passing in NULL signals a dump of every entry, while passing in array() will |
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* dump nothing. |
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* @param mixed $user_vars The user vars. Passing in NULL signals a dump of every entry, while passing in array() |
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* will dump nothing. |
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* @return mixed Returns a binary dump of the given files and user variables from the APC cache, FALSE if |
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* APC is not enabled, or NULL if an unknown error is encountered. |
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*/ |
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public function apc_bin_dump(array $files = null, $user_vars = null) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_bin_dump(%s, %s);', |
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var_export($files, true), |
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var_export($user_vars, 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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* Outputs a binary dump of the given files and user variables from the APC cache to the named file. |
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* |
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* @since 3.1.4 |
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* @param array $files The file names being dumped |
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* @param array $user_vars The user variables being dumped |
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* @param string $filename The filename where the dump is being saved |
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* @param integer $flags Flags passed to the filename stream. See the file_put_contents() documentation for |
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* details. |
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* @param resource $context The context passed to the filename stream. See the file_put_contents() documentation |
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* for details. |
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* @return integer The number of bytes written to the file, otherwise FALSE if APC is not enabled, |
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* filename is an invalid file name, filename can't be opened, the file dump can't be |
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* completed (e.g., the hard drive is out of disk space), or an unknown error was |
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* encountered. |
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*/ |
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public function apc_bin_dumpfile(array $files, array $user_vars, $filename, $flags = 0, $context = null) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_bin_dumpfile(%s, %s, %s, %s, %s);', |
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var_export($files, true), |
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var_export($user_vars, true), |
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var_export($filename, true), |
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var_export($flags, true), |
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var_export($context, 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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* Loads the given binary dump into the APC file/user cache |
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* |
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* @since 3.1.4 |
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* @param string $data The binary dump being loaded, likely from apc_bin_dump(). |
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* @param integer $flags Either APC_BIN_VERIFY_CRC32, APC_BIN_VERIFY_MD5, or both. |
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* @return boolean Returns TRUE if the binary dump data was loaded with success, otherwise FALSE is returned. |
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* FALSE is returned if APC is not enabled, or if the data is not a valid APC binary dump (e.g., unexpected size) |
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*/ |
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public function apc_bin_load($data, $flags = 0) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_bin_load(%s, %s);', |
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var_export($data, true), |
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var_export($flags, 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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* Load a binary dump from a file into the APC file/user cache |
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* |
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* @since 3.1.4 |
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* @param string $filename The file name containing the dump, likely from apc_bin_dumpfile(). |
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* @param resource $context The files context. |
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* @param integer $flags Either APC_BIN_VERIFY_CRC32, APC_BIN_VERIFY_MD5, or both. |
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* @return boolean Returns TRUE on success, otherwise FALSE Reasons it may return FALSE include APC is not |
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* enabled, filename is an invalid file name or empty, filename can't be opened, the file |
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* dump can't be completed, or if the data is not a valid APC binary dump (e.g., |
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* unexpected size). |
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*/ |
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public function apc_bin_loadfile($filename, $context = null, $flags = 0) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_bin_loadfile(%s, %s, %s);', |
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var_export($filename, true), |
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var_export($context, true), |
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var_export($flags, 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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* Updates an old value with a new value |
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* apc_cas() updates an already existing integer value if the old parameter matches the currently stored value with the value of the new parameter. |
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* |
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* @since 3.1.1 |
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* @param string $key The key of the value being updated. |
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* @param int $old The old value (the value currently stored). |
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* @param int $new The new value to update to |
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* @return boolean Returns TRUE on success or FALSE on failure. |
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*/ |
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public function apc_cas($key, $old, $new) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_cas(%s, %s, %s);', |
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var_export($key, true), |
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var_export($old, true), |
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var_export($new, 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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* Retrieves cached information from APC's data store |
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* |
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* @since 2.0.0 |
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* @param string $cache_type If cache_type is "user", information about the user cache will be returned. |
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* If cache_type is "filehits", information about which files have been served from the |
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* bytecode cache for the current request will be returned. This feature must be enabled |
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* at compile time using --enable-filehits . |
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* If an invalid or no cache_type is specified, information about the system cache |
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* (cached files) will be returned. |
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* @param boolean $limited If limited is TRUE, the return value will exclude the individual list of cache |
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* entries. This is useful when trying to optimize calls for statistics gathering. |
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* @return boolean Array of cached data (and meta-data) or FALSE on failure |
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*/ |
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public function apc_cache_info($cache_type = "", $limited = false) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_cache_info(%s, %s);', |
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var_export($cache_type, true), |
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var_export($limited, 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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* Clears the user/system cache |
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* |
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* @since 2.0.0 |
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* @param string $cache_type If cache_type is "user", the user cache will be cleared; otherwise, the system cache |
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* (cached files) will be cleared. |
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* @return boolean Always returns true |
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*/ |
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public function apc_clear_cache($cache_type = "") |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_clear_cache(%s);', |
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var_export($cache_type, 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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* Stores a file in the bytecode cache, bypassing all filters. |
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* |
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* @since 3.0.13 |
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* @param string $filename Full or relative path to a PHP file that will be compiled and stored in the bytecode cache. |
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* @param boolean $atomic defaults to true |
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* @return boolean Returns TRUE on success or FALSE on failure |
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*/ |
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public function apc_compile_file($filename, $atomic = true) |
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{ |
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$code = new Code(); |
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$code->addStatement(sprintf( |
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'return apc_compile_file(%s, %s);', |
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var_export($filename, true), |
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var_export($atomic, 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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* Decrease a stored number |
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* |
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* @since 3.1.1 |
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* @param string $key The key of the value being decreased. |
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* @param int $step The step, or value to decrease. |
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* @param \stdClass $ref success is set to TRUE in success and FALSE in failure |
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* @return mixed Returns the current value of key's value on success, or FALSE on failure |
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*/ |
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public function apc_dec($key, $step = 1, $ref = false) |
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{ |
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$code = new Code(); |
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$code->addStatement('$success = false;'); |
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$code->addStatement(sprintf( |
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'$result = apc_dec(%s, %s, $success);', |
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var_export($key, true), |
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var_export($step, true) |
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)); |
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$code->addStatement('return array($result, $success);'); |
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list($result, $success) = $this->adapter->run($code); |
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311
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if (is_object($ref)) { |
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$ref->success = $success; |
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} |
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315
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return $result; |
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316
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} |
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317
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318
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/** |
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319
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* Defines a set of constants for retrieval and mass-definition |
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320
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* |
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321
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* define() is notoriously slow. Since the main benefit of APC is to increase the performance of |
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322
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* scripts/applications, this mechanism is provided to streamline the process of mass constant definition. However, |
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323
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* this function does not perform as well as anticipated. |
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324
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* |
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325
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* @since 3.0.0 |
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326
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* @param string $key The key serves as the name of the constant set being stored. This key is used to |
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327
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* retrieve the stored constants in apc_load_constants(). |
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328
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* @param array $constants An associative array of constant_name => value pairs. The constant_name must |
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329
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* follow the normal constant naming rules. value must evaluate to a scalar value. |
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330
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* @param boolean $case_sensitive The default behaviour for constants is to be declared case-sensitive; i.e. |
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331
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* CONSTANT and Constant represent different values. If this parameter evaluates to |
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332
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* FALSE the constants will be declared as case-insensitive symbols. |
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333
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* @return boolean Returns TRUE on success or FALSE on failure. |
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*/ |
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335
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public function apc_define_constants($key, array $constants, $case_sensitive = true) |
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336
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{ |
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337
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$code = new Code(); |
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338
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$code->addStatement(sprintf( |
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339
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'return apc_define_constants(%s, %s, %s);', |
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340
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var_export($key, true), |
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341
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var_export($constants, true), |
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342
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var_export($case_sensitive, true) |
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)); |
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345
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return $this->adapter->run($code); |
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346
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} |
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347
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348
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/** |
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349
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* Deletes files from the opcode cache |
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350
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* |
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351
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* @since 3.1.1 |
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352
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* @param mixed $keys The files to be deleted. Accepts a string, array of strings, or an APCIterator object. |
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353
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* @return mixed Returns TRUE on success or FALSE on failure. Or if keys is an array, then an empty array is |
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354
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* returned on success, or an array of failed files is returned. |
|
355
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*/ |
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356
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public function apc_delete_file($keys) |
|
357
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{ |
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358
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$code = new Code(); |
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359
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$code->addStatement(sprintf( |
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360
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'return apc_delete_file(%s);', |
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361
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var_export($keys, true) |
|
362
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)); |
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363
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|
364
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return $this->adapter->run($code); |
|
365
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|
} |
|
366
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|
367
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/** |
|
368
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* Removes a stored variable from the cache |
|
369
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* |
|
370
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|
* @since 3.1.1 |
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371
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* @param mixed $key The key used to store the value (with apc_store()). |
|
372
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|
|
* @return mixed Returns TRUE on success or FALSE on failure. |
|
373
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|
|
*/ |
|
374
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|
|
public function apc_delete($key) |
|
375
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|
|
{ |
|
376
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|
|
$code = new Code(); |
|
377
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|
|
$code->addStatement(sprintf( |
|
378
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|
'return apc_delete(%s);', |
|
379
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|
|
var_export($key, true) |
|
380
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|
)); |
|
381
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|
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|
|
382
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|
|
return $this->adapter->run($code); |
|
383
|
|
|
} |
|
384
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|
|
385
|
|
|
/** |
|
386
|
|
|
* Checks if one or more APC keys exist. |
|
387
|
|
|
* |
|
388
|
|
|
* @since 3.1.4 |
|
389
|
|
|
* @param mixed $keys A string, or an array of strings, that contain keys. |
|
390
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|
|
* @return mixed Returns TRUE if the key exists, otherwise FALSE Or if an array was passed to keys, then an |
|
391
|
|
|
* array is returned that contains all existing keys, or an empty array if none exist. |
|
392
|
|
|
*/ |
|
393
|
|
|
public function apc_exists($keys) |
|
394
|
|
|
{ |
|
395
|
|
|
$code = new Code(); |
|
396
|
|
|
$code->addStatement(sprintf( |
|
397
|
|
|
'return apc_exists(%s);', |
|
398
|
|
|
var_export($keys, true) |
|
399
|
|
|
)); |
|
400
|
|
|
|
|
401
|
|
|
return $this->adapter->run($code); |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
/** |
|
405
|
|
|
* Fetch a stored variable from the cache |
|
406
|
|
|
* |
|
407
|
|
|
* @since 3.0.0 |
|
408
|
|
|
* @param mixed $key The key used to store the value (with apc_store()). If an array is passed then each element is fetched and returned. |
|
409
|
|
|
* @param \stdClass $ref success is set to TRUE in success and FALSE in failure |
|
410
|
|
|
* @return mixed The stored variable or array of variables on success; FALSE on failure |
|
411
|
|
|
*/ |
|
412
|
|
|
public function apc_fetch($key, $ref = false) |
|
413
|
|
|
{ |
|
414
|
|
|
$code = new Code(); |
|
415
|
|
|
$code->addStatement('$success = false;'); |
|
416
|
|
|
$code->addStatement(sprintf('$result = apc_fetch(%s, $success);', var_export($key, true))); |
|
417
|
|
|
$code->addStatement('return array($result, $success);'); |
|
418
|
|
|
|
|
419
|
|
|
list($var, $success) = $this->adapter->run($code); |
|
420
|
|
|
|
|
421
|
|
|
if (is_object($ref)) { |
|
422
|
|
|
$ref->success = $success; |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
return $var; |
|
426
|
|
|
} |
|
427
|
|
|
|
|
428
|
|
|
/** |
|
429
|
|
|
* Increase a stored number |
|
430
|
|
|
* |
|
431
|
|
|
* @since 3.1.1 |
|
432
|
|
|
* @param string $key The key of the value being increased. |
|
433
|
|
|
* @param int $step The step, or value to increased. |
|
434
|
|
|
* @param \stdClass $ref success is set to TRUE in success and FALSE in failure |
|
435
|
|
|
* @return mixed Returns the current value of key's value on success, or FALSE on failure |
|
436
|
|
|
*/ |
|
437
|
|
|
public function apc_inc($key, $step = 1, $ref = false) |
|
438
|
|
|
{ |
|
439
|
|
|
$code = new Code(); |
|
440
|
|
|
$code->addStatement('$success = false;'); |
|
441
|
|
|
$code->addStatement(sprintf( |
|
442
|
|
|
'$result = apc_inc(%s, %s, $success);', |
|
443
|
|
|
var_export($key, true), |
|
444
|
|
|
var_export($step, true) |
|
445
|
|
|
)); |
|
446
|
|
|
$code->addStatement('return array($result, $success);'); |
|
447
|
|
|
|
|
448
|
|
|
list($result, $success) = $this->adapter->run($code); |
|
449
|
|
|
|
|
450
|
|
|
if (is_object($ref)) { |
|
451
|
|
|
$ref->success = $success; |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
return $result; |
|
455
|
|
|
} |
|
456
|
|
|
|
|
457
|
|
|
/** |
|
458
|
|
|
* Loads a set of constants from the cache |
|
459
|
|
|
* |
|
460
|
|
|
* @since 3.0.0 |
|
461
|
|
|
* @param mixed $key The name of the constant set (that was stored with apc_define_constants()) to be |
|
462
|
|
|
* retrieved. |
|
463
|
|
|
* @param boolean $case_sensitive The default behaviour for constants is to be declared case-sensitive; i.e. |
|
464
|
|
|
* CONSTANT and Constant represent different values. If this parameter evaluates to |
|
465
|
|
|
* FALSE the constants will be declared as case-insensitive symbols. |
|
466
|
|
|
* @return boolean Returns TRUE on success or FALSE on failure |
|
467
|
|
|
*/ |
|
468
|
|
|
public function apc_load_constants($key, $case_sensitive = true) |
|
469
|
|
|
{ |
|
470
|
|
|
$code = new Code(); |
|
471
|
|
|
$code->addStatement(sprintf( |
|
472
|
|
|
'return apc_load_constants(%s, %s);', |
|
473
|
|
|
var_export($key, true), |
|
474
|
|
|
var_export($case_sensitive, true) |
|
475
|
|
|
)); |
|
476
|
|
|
|
|
477
|
|
|
return $this->adapter->run($code); |
|
478
|
|
|
} |
|
479
|
|
|
|
|
480
|
|
|
/** |
|
481
|
|
|
* Retrieves APC's Shared Memory Allocation information |
|
482
|
|
|
* |
|
483
|
|
|
* @since 2.0.0 |
|
484
|
|
|
* @param boolean $limited When set to FALSE (default) apc_sma_info() will return a detailed information about |
|
485
|
|
|
* each segment. |
|
486
|
|
|
* @return boolean Array of Shared Memory Allocation data; FALSE on failure |
|
487
|
|
|
*/ |
|
488
|
|
|
public function apc_sma_info($limited = false) |
|
489
|
|
|
{ |
|
490
|
|
|
$code = new Code(); |
|
491
|
|
|
$code->addStatement(sprintf( |
|
492
|
|
|
'return apc_sma_info(%s);', |
|
493
|
|
|
var_export($limited, true) |
|
494
|
|
|
)); |
|
495
|
|
|
|
|
496
|
|
|
return $this->adapter->run($code); |
|
497
|
|
|
} |
|
498
|
|
|
|
|
499
|
|
|
/** |
|
500
|
|
|
* Cache a variable in the data store |
|
501
|
|
|
* |
|
502
|
|
|
* Note: Unlike many other mechanisms in PHP, variables stored using apc_store() will persist between requests |
|
503
|
|
|
* (until the value is removed from the cache). |
|
504
|
|
|
* |
|
505
|
|
|
* @since 3.0.0 |
|
506
|
|
|
* @param mixed $key Store the variable using this name. keys are cache-unique, so storing a second value with the |
|
507
|
|
|
* same key will overwrite the original value. |
|
508
|
|
|
* If $key is an array set Names in key, variables in value |
|
509
|
|
|
* @param mixed $var The variable to store |
|
510
|
|
|
* If $key is an array, this parameter is unused and set to NULL |
|
511
|
|
|
* @param int $ttl Time To Live; store var in the cache for ttl seconds. After the ttl has passed, the stored |
|
512
|
|
|
* variable will be expunged from the cache (on the next request). If no ttl is supplied (or if |
|
513
|
|
|
* the ttl is 0), the value will persist until it is removed from the cache manually, or |
|
514
|
|
|
* otherwise fails to exist in the cache (clear, restart, etc.). |
|
515
|
|
|
* @return boolean Returns TRUE on success or FALSE on failure. Second syntax returns array with error keys. |
|
516
|
|
|
*/ |
|
517
|
|
|
public function apc_store($key, $var = null, $ttl = 0) |
|
518
|
|
|
{ |
|
519
|
|
|
if (is_string($key) && $var === null) { |
|
520
|
|
|
throw new \InvalidArgumentException('When $key is set $var cannot be null'); |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
$code = new Code(); |
|
524
|
|
|
$code->addStatement(sprintf( |
|
525
|
|
|
'return apc_store(%s, %s, %s);', |
|
526
|
|
|
var_export($key, true), |
|
527
|
|
|
var_export($var, true), |
|
528
|
|
|
var_export($ttl, true) |
|
529
|
|
|
)); |
|
530
|
|
|
|
|
531
|
|
|
return $this->adapter->run($code); |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
|
|
/** |
|
535
|
|
|
* @return string |
|
536
|
|
|
*/ |
|
537
|
|
|
public function apc_version() |
|
538
|
|
|
{ |
|
539
|
|
|
$code = new Code(); |
|
540
|
|
|
$code->addStatement('return phpversion("apc");'); |
|
541
|
|
|
|
|
542
|
|
|
return $this->adapter->run($code); |
|
543
|
|
|
} |
|
544
|
|
|
} |
|
545
|
|
|
|
gordalina /
cachetool
