PhpInfoViewHelper.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Install\ViewHelpers;
 
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
 
class ‪PhpInfoViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;
 
    protected ‪$escapeOutput = false;
 
    protected ‪$escapeChildren = false;
 
    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        return ‪self::removeAllHtmlOutsideBody(
            self::changeHtmlToHtml5(
                self::getPhpInfo()
            )
        );
    }
 
    protected static function ‪getPhpInfo()
    {
        ob_start();
        phpinfo();
 
        return ob_get_clean();
    }
 
    protected static function ‪removeAllHtmlOutsideBody($html)
    {
        // Delete anything outside of the body tag and the body tag itself
        $html = (string)preg_replace('/^.*?<body.*?>/is', '', $html);
        $html = (string)preg_replace('/<\/body>.*?$/is', '', $html);
 
        return $html;
    }
 
    protected static function ‪changeHtmlToHtml5($html)
    {
        // Delete obsolete attributes
        $html = (string)preg_replace('#\s(cellpadding|border|width)="[^"]+"#', '', $html);
 
        // Replace font tag with span
        return str_replace(['<font', '</font>'], ['<span', '</span>'], $html);
    }
}