<?php namespace Illuminate\Validation; use Illuminate\Contracts\Validation\CompilableRules; class NestedRules implements CompilableRules { /** * The callback to execute. * * @var callable */ protected $callback; /** * Create a new nested rule instance. * * @param callable $callback */ public function __construct(callable $callback) { $this->callback = $callback; } /** * Compile the callback into an array of rules. * * @param string $attribute * @param mixed $value * @param mixed $data * @param mixed $context * @return \stdClass */ public function compile($attribute, $value, $data = null, $context = null) { $rules = call_user_func($this->callback, $value, $attribute, $data, $context); return Rule::compile($attribute, $rules, $data); } }