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<?php
declare(strict_types=1);
/*
* 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;
/**
* Utility ViewHelper for phpinfo()
*
* @internal
*/
final class PhpInfoViewHelper extends AbstractViewHelper
{
use CompileWithRenderStatic;
/**
* @var bool
*/
protected $escapeOutput = false;
/**
* @var bool
*/
protected $escapeChildren = false;
public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext): string
{
return self::removeAllHtmlOutsideBody(self::changeHtmlToHtml5(self::getPhpInfo()));
}
/**
* Get information about PHP's configuration as HTML string
*/
protected static function getPhpInfo(): string
{
ob_start();
phpinfo();
return (string)ob_get_clean();
}
/**
* Remove all HTML outside the body tag from HTML string.
*/
protected static function removeAllHtmlOutsideBody(string $html): string
{
// Delete anything outside the body tag and the body tag itself
$html = (string)preg_replace('/^.*?<body.*?>/is', '', $html);
return (string)preg_replace('/<\/body>.*?$/is', '', $html);
}
/**
* Change HTML markup to HTML5.
*
* @param string $html HTML markup to be cleaned
*/
protected static function changeHtmlToHtml5(string $html): string
{
// 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);
}
}