관리-도구
편집 파일: HigherOrderWhenProxy.php
<?php namespace Illuminate\Support; /** * @mixin \Illuminate\Support\Enumerable */ class HigherOrderWhenProxy { /** * The collection being operated on. * * @var \Illuminate\Support\Enumerable */ protected $collection; /** * The condition for proxying. * * @var bool */ protected $condition; /** * Create a new proxy instance. * * @param \Illuminate\Support\Enumerable $collection * @param bool $condition * @return void */ public function __construct(Enumerable $collection, $condition) { $this->condition = $condition; $this->collection = $collection; } /** * Proxy accessing an attribute onto the collection. * * @param string $key * @return mixed */ public function __get($key) { return $this->condition ? $this->collection->{$key} : $this->collection; } /** * Proxy a method call onto the collection. * * @param string $method * @param array $parameters * @return mixed */ public function __call($method, $parameters) { return $this->condition ? $this->collection->{$method}(...$parameters) : $this->collection; } }