67 lines
1.4 KiB
PHP
67 lines
1.4 KiB
PHP
<?php
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namespace Kirby\Toolkit;
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use Closure;
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use Kirby\Filesystem\F;
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use ReflectionFunction;
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/**
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* A smart extension of Closures with
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* magic dependency injection based on the
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* defined variable names.
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*
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* @package Kirby Toolkit
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* @author Bastian Allgeier <bastian@getkirby.com>
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* @link https://getkirby.com
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* @copyright Bastian Allgeier
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* @license https://opensource.org/licenses/MIT
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*/
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class Controller
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{
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protected $function;
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public function __construct(Closure $function)
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{
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$this->function = $function;
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}
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public function arguments(array $data = []): array
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{
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$info = new ReflectionFunction($this->function);
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$args = [];
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foreach ($info->getParameters() as $parameter) {
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$name = $parameter->getName();
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$args[] = $data[$name] ?? null;
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}
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return $args;
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}
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public function call($bind = null, $data = [])
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{
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$args = $this->arguments($data);
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if ($bind === null) {
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return call_user_func($this->function, ...$args);
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}
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return $this->function->call($bind, ...$args);
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}
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public static function load(string $file)
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{
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if (is_file($file) === false) {
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return null;
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}
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$function = F::load($file);
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if (is_a($function, 'Closure') === false) {
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return null;
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}
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return new static($function);
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}
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}
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