<?php

namespace Tpwd\KeSearch\ViewHelpers\Count;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithContentArgumentAndRenderStatic;

class WordsViewHelper extends AbstractViewHelper
{
    use CompileWithContentArgumentAndRenderStatic;

    public function initializeArguments(): void
    {
        parent::initializeArguments();
        $this->registerArgument('string', 'string', 'String to count, if not provided as tag content');
    }

    /**
     * @return int
     */
    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    ) {
        return str_word_count($renderChildrenClosure());
    }
}