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<?php |
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declare(strict_types=1); |
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namespace Buzz\Configuration; |
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/** |
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* A ParameterBag is a container for key/value pairs. This implementation is immutable. |
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* |
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* @author Fabien Potencier <[email protected]> |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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final class ParameterBag implements \IteratorAggregate, \Countable |
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{ |
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/** |
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* Parameter storage. |
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*/ |
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private $parameters; |
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/** |
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* @param array $parameters An array of parameters |
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*/ |
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public function __construct(array $parameters = []) |
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{ |
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$this->parameters = $parameters; |
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} |
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/** |
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* Returns the parameters. |
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* |
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* @return array An array of parameters |
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*/ |
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public function all(): array |
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{ |
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return $this->parameters; |
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} |
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/** |
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* Returns the parameter keys. |
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* |
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* @return array An array of parameter keys |
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*/ |
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public function keys(): array |
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{ |
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return array_keys($this->parameters); |
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} |
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/** |
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* Adds parameters to the existing ones. |
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* |
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* @param array $parameters An array of parameters |
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*/ |
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public function add(array $parameters = []): self |
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{ |
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// Make sure to merge Curl parameters |
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if (isset($this->parameters['curl']) |
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&& isset($parameters['curl']) |
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&& \is_array($this->parameters['curl']) |
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&& \is_array($parameters['curl'])) { |
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$parameters['curl'] = array_replace($this->parameters['curl'], $parameters['curl']); |
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} |
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/** @var array $newParameters */ |
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$newParameters = array_replace($this->parameters, $parameters); |
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return new self($newParameters); |
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} |
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/** |
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* Returns a parameter by name. |
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* |
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* @param string|int $key The key |
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* @param mixed $default The default value if the parameter key does not exist |
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*/ |
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public function get($key, $default = null) |
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{ |
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return \array_key_exists($key, $this->parameters) ? $this->parameters[$key] : $default; |
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} |
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/** |
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* Returns true if the parameter is defined. |
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* |
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* @param string|int $key The key |
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* |
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* @return bool true if the parameter exists, false otherwise |
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*/ |
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public function has($key): bool |
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{ |
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return \array_key_exists($key, $this->parameters); |
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} |
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/** |
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* Returns an iterator for parameters. |
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* |
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* @return \ArrayIterator An \ArrayIterator instance |
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*/ |
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public function getIterator(): \ArrayIterator |
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{ |
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return new \ArrayIterator($this->parameters); |
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} |
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/** |
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* Returns the number of parameters. |
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* |
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* @return int The number of parameters |
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*/ |
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public function count(): int |
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{ |
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return \count($this->parameters); |
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} |
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} |
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kriswallsmith /
Buzz
