80 lines
1.6 KiB
PHP
80 lines
1.6 KiB
PHP
<?php
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namespace Kirby\Cms;
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use Kirby\Exception\BadMethodCallException;
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/**
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* HasMethods
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*
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* @package Kirby Cms
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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://getkirby.com/license
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*/
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trait HasMethods
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{
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/**
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* All registered methods
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*
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* @var array
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*/
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public static $methods = [];
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/**
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* Calls a registered method class with the
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* passed arguments
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*
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* @internal
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* @param string $method
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* @param array $args
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* @return mixed
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* @throws \Kirby\Exception\BadMethodCallException
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*/
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public function callMethod(string $method, array $args = [])
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{
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$closure = $this->getMethod($method);
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if ($closure === null) {
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throw new BadMethodCallException('The method ' . $method . ' does not exist');
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}
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return $closure->call($this, ...$args);
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}
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/**
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* Checks if the object has a registered method
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*
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* @internal
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* @param string $method
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* @return bool
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*/
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public function hasMethod(string $method): bool
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{
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return $this->getMethod($method) !== null;
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}
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/**
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* Returns a registered method by name, either from
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* the current class or from a parent class ordered by
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* inheritance order (top to bottom)
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*
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* @param string $method
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* @return \Closure|null
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*/
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protected function getMethod(string $method)
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{
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if (isset(static::$methods[$method]) === true) {
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return static::$methods[$method];
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}
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foreach (class_parents($this) as $parent) {
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if (isset($parent::$methods[$method]) === true) {
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return $parent::$methods[$method];
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}
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}
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return null;
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}
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}
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