55 lines
1.7 KiB
PHP
55 lines
1.7 KiB
PHP
<?php
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namespace FluidTYPO3\Vhs\ViewHelpers;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
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/**
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* ### Call ViewHelper
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*
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* Calls a method on an existing object. Usable as inline or tag.
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*
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* ### Examples
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*
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* <!-- inline, useful as argument, for example in f:for -->
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* {object -> v:call(method: 'toArray')}
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* <!-- tag, useful to quickly output simple values -->
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* <v:call object="{object}" method="unconventionalGetter" />
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* <v:call method="unconventionalGetter">{object}</v:call>
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* <!-- arguments for the method -->
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* <v:call object="{object}" method="doSomethingWithArguments" arguments="{0: 'foo', 1: 'bar'}" />
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*
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* @author Claus Due <claus@namelesscoder.net>
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* @package Vhs
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* @subpackage ViewHelpers
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*/
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class CallViewHelper extends AbstractViewHelper {
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/**
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* @param string $method
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* @param object $object
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* @param array $arguments
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* @throws \RuntimeException
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* @return mixed
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*/
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public function render($method, $object = NULL, array $arguments = array()) {
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if (NULL === $object) {
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$object = $this->renderChildren();
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if (FALSE === is_object($object)) {
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throw new \RuntimeException('Using v:call requires an object either as "object" attribute, tag content or inline argument', 1356849652);
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}
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}
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if (FALSE === method_exists($object, $method)) {
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throw new \RuntimeException('Method "' . $method . '" does not exist on object of type ' . get_class($object), 1356834755);
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}
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return call_user_func_array(array($object, $method), $arguments);
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}
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}
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