Developer
<?php
namespace Illuminate\View;
use ArrayIterator;
use Closure;
use Illuminate\Contracts\Support\DeferringDisplayableValue;
use Illuminate\Support\Enumerable;
use IteratorAggregate;
use Traversable;
class InvokableComponentVariable implements DeferringDisplayableValue, IteratorAggregate
{
/**
* The callable instance to resolve the variable value.
*
* @var \Closure
*/
protected $callable;
/**
* Create a new variable instance.
*
* @param \Closure $callable
* @return void
*/
public function __construct(Closure $callable)
{
$this->callable = $callable;
}
/**
* Resolve the displayable value that the class is deferring.
*
* @return \Illuminate\Contracts\Support\Htmlable|string
*/
public function resolveDisplayableValue()
{
return $this->__invoke();
}
/**
* Get an interator instance for the variable.
*
* @return \ArrayIterator
*/
public function getIterator(): Traversable
{
$result = $this->__invoke();
return new ArrayIterator($result instanceof Enumerable ? $result->all() : $result);
}
/**
* Dynamically proxy attribute access to the variable.
*
* @param string $key
* @return mixed
*/
public function __get($key)
{
return $this->__invoke()->{$key};
}
/**
* Dynamically proxy method access to the variable.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->__invoke()->{$method}(...$parameters);
}
/**
* Resolve the variable.
*
* @return mixed
*/
public function __invoke()
{
return call_user_func($this->callable);
}
/**
* Resolve the variable as a string.
*
* @return mixed
*/
public function __toString()
{
return (string) $this->__invoke();
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: