48 lines
1.3 KiB
PHP
48 lines
1.3 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Install\ViewHelpers\Format;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
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/**
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* Crop a string to a given length.
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*
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* @internal
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*/
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final class CropTextViewHelper extends AbstractViewHelper
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{
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public function initializeArguments(): void
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{
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$this->registerArgument('maxCharacters', 'int', 'Positive int. Place where to truncate the string', true);
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}
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public function render(): string
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{
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$maxCharacters = (int)$this->arguments['maxCharacters'];
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$stringToCrop = (string)$this->renderChildren();
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if ($maxCharacters <= 0) {
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return $stringToCrop;
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}
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$croppedString = mb_substr($stringToCrop, 0, $maxCharacters, 'utf-8');
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if ($croppedString !== $stringToCrop) {
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return $croppedString . '…';
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}
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return $stringToCrop;
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}
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}
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