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<?php
namespace SMW;
use InvalidArgumentException;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class Parameters {
/**
* @var array
*/
private $parameters = [];
/**
* @since 3.0
*/
public function __construct( array $parameters = [] ) {
$this->parameters = $parameters;
}
/**
* @since 3.0
*
* @param string $key
* @param mixed $value
*/
public function set( $key, $value ) {
$this->parameters[$key] = $value;
}
/**
* @since 3.0
*
* @param string $key
* @param array $value
*/
public function merge( $key, array $value ) {
if ( !isset( $this->parameters[$key] ) ) {
$this->parameters[$key] = [];
}
$this->parameters[$key] += $value;
}
/**
* @since 3.0
*
* @param string $key
*
* @return boolean
*/
public function has( $key ) {
return isset( $this->parameters[$key] ) || array_key_exists( $key, $this->parameters );
}
/**
* @since 3.0
*
* @param string $key
*
* @return string
* @throws InvalidArgumentException
*/
public function get( $key ) {
if ( $this->has( $key ) ) {
return $this->parameters[$key];
}
throw new InvalidArgumentException( "$key is an unregistered key." );
}
}
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