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<?php |
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namespace DrMVC\Config; |
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/** |
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* Class Config |
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* @package DrMVC\Config |
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*/ |
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class Config implements ConfigInterface |
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{ |
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/** |
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* Array with all parameters |
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* @var array |
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*/ |
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private $_config = []; |
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/** |
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* Config constructor. |
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* @param null|string|array $data File with array or array for auto loading |
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*/ |
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public function __construct($data = null) |
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{ |
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switch (true) { |
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// If data is string, then need load file |
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case (\is_string($data)): |
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$this->load($data); |
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break; |
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// If data is array, the need to set |
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case (\is_array($data)): |
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$this->setter($data); |
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break; |
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} |
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} |
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/** |
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* Load parameters from filesystem |
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* |
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* @param string $path |
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* @return mixed |
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* @throws Exception |
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*/ |
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private function loadFile(string $path) |
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{ |
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if (!file_exists($path)) { |
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throw new Exception('Configuration file "' . $path . '" is not found'); |
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} |
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if (!is_readable($path)) { |
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throw new Exception('Configuration file "' . $path . '" is not readable'); |
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} |
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// Include file |
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$content = include $path; |
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if (!\is_array($content)) { |
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throw new Exception("Passed file \"$path\" is not array"); |
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} |
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return $content; |
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} |
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/** |
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* Load configuration file, show config path if needed |
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* |
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* @param string $path path to file with array |
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* @param string $key in which subkey this file must be saved |
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* @return ConfigInterface |
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*/ |
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public function load(string $path, string $key = null): ConfigInterface |
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{ |
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try { |
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// Read parameters from file |
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$parameters = $this->loadFile($path); |
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// If key is provided then need put parameters into subarray |
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if (null !== $key) { |
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$parameters = [$key => $parameters]; |
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} |
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// Keep configuration |
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$this->setter($parameters); |
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} catch (Exception $e) { |
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// Error message implemented in exception |
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} |
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return $this; |
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} |
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/** |
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* Put keys from array of parameters into internal array |
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* |
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* @param array $parameters |
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*/ |
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private function setter(array $parameters) |
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{ |
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// Parse array and set values |
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array_map( |
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function($key, $value) { |
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$this->set($key, $value); |
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}, |
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array_keys($parameters), |
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$parameters |
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); |
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} |
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/** |
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* Set some parameter of configuration |
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* |
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* @param string $key |
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* @param mixed $value |
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* @return ConfigInterface |
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*/ |
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public function set(string $key, $value): ConfigInterface |
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{ |
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$this->_config[$key] = \is_array($value) |
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? new Config($value) |
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: $value; |
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return $this; |
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} |
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/** |
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* Get single parameter by name or null, or all available parameters |
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* |
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* @param string|null $key |
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* @return mixed |
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*/ |
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public function get(string $key = null) |
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{ |
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$result = (null !== $key) |
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? $this->_config[$key] ?? null |
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: $this->_config; |
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return $result; |
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} |
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/** |
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* Remove single value or clean config |
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* |
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* @param string|null $key |
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* @return ConfigInterface |
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*/ |
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public function clean(string $key = null): ConfigInterface |
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{ |
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if (null !== $key) { |
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unset($this->_config[$key]); |
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} else { |
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$this->_config = []; |
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} |
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return $this; |
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} |
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} |
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drmvc /
config
