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<?php
namespace Nubs\Sensible\Strategy;
/**
* Executes each strategy in turn until one of them returns a non-null result.
*/
class ListStrategy implements StrategyInterface
{
/** @type \Nubs\Sensible\StrategyInterface[] The strategies to use. */
private $_strategies;
* Initialize the strategy to wrap a list of alternate strategies.
*
* @param \Nubs\Sensible\StrategyInterface[] $strategies The strategies to
* use.
public function __construct(array $strategies)
$this->_strategies = $strategies;
}
* Returns the result of the first successful strategy.
* @return string|null The command as located by a strategy or null if no
* strategies found a command to use.
public function get()
foreach ($this->_strategies as $strategy) {
$result = $strategy->get();
if ($result !== null) {
return $result;
return null;
nubs /
sensible
