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<?php |
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declare(strict_types=1); |
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namespace MySQLReplication\Cache; |
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use Composer\InstalledVersions; |
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use Psr\SimpleCache\CacheInterface; |
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// phpcs:ignoreFile |
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if (class_exists(InstalledVersions::class) && version_compare(InstalledVersions::getVersion("psr/simple-cache"), '3.0.0', ">=")) { |
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class ArrayCache implements CacheInterface |
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{ |
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use ArrayCacheTrait; |
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/** |
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* @inheritDoc |
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*/ |
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public function get(string $key, $default = null): mixed |
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{ |
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return $this->has($key) ? $this->tableMapCache[$key] : $default; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getMultiple(iterable $keys, $default = null): iterable |
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{ |
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$data = []; |
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foreach ($keys as $key) { |
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if ($this->has($key)) { |
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$data[$key] = $this->tableMapCache[$key]; |
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} |
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} |
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return [] !== $data ? $data : $default; |
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} |
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} |
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} else { |
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class ArrayCache implements CacheInterface |
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{ |
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use ArrayCacheTrait; |
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/** |
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* @inheritDoc |
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*/ |
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public function get($key, $default = null) |
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{ |
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return $this->has($key) ? $this->tableMapCache[$key] : $default; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getMultiple($keys, $default = null) |
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{ |
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$data = []; |
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foreach ($keys as $key) { |
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if ($this->has($key)) { |
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$data[$key] = $this->tableMapCache[$key]; |
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} |
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} |
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return [] !== $data ? $data : $default; |
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} |
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} |
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} |
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trait ArrayCacheTrait |
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{ |
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private $tableMapCache = []; |
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/** |
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* @var int |
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*/ |
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private $tableCacheSize; |
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public function __construct(int $tableCacheSize = 128) |
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{ |
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$this->tableCacheSize = $tableCacheSize; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function has($key): bool |
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{ |
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return isset($this->tableMapCache[$key]); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clear(): bool |
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{ |
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$this->tableMapCache = []; |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function setMultiple($values, $ttl = null): bool |
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{ |
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foreach ($values as $key => $value) { |
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$this->set($key, $value); |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function set($key, $value, $ttl = null): bool |
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{ |
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// automatically clear table cache to save memory |
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if (count($this->tableMapCache) > $this->tableCacheSize) { |
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$this->tableMapCache = array_slice( |
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$this->tableMapCache, |
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(int)($this->tableCacheSize / 2), |
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null, |
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true |
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); |
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} |
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$this->tableMapCache[$key] = $value; |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function deleteMultiple($keys): bool |
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{ |
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foreach ($keys as $key) { |
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$this->delete($key); |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function delete($key): bool |
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{ |
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unset($this->tableMapCache[$key]); |
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return true; |
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} |
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} |
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.