ContextualBindingBuilder.php
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<?php
namespace Illuminate\Container;
use Illuminate\Support\Arr;
use Illuminate\Contracts\Container\Container;
use Illuminate\Contracts\Container\ContextualBindingBuilder as ContextualBindingBuilderContract;
class ContextualBindingBuilder implements ContextualBindingBuilderContract
{
/**
* The underlying container instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $container;
/**
* The concrete instance.
*
* @var string|array
*/
protected $concrete;
/**
* The abstract target.
*
* @var string
*/
protected $needs;
/**
* Create a new contextual binding builder.
*
* @param \Illuminate\Contracts\Container\Container $container
* @param string|array $concrete
* @return void
*/
public function __construct(Container $container, $concrete)
{
$this->concrete = $concrete;
$this->container = $container;
}
/**
* Define the abstract target that depends on the context.
*
* @param string $abstract
* @return $this
*/
public function needs($abstract)
{
$this->needs = $abstract;
return $this;
}
/**
* Define the implementation for the contextual binding.
*
* @param \Closure|string $implementation
* @return void
*/
public function give($implementation)
{
foreach (Arr::wrap($this->concrete) as $concrete) {
$this->container->addContextualBinding($concrete, $this->needs, $implementation);
}
}
}