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cms-fluid/Classes/ViewHelpers/DebugViewHelper.php
T

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3.6 KiB
PHP

<?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\Fluid\ViewHelpers;
use TYPO3\CMS\Extbase\Utility\DebuggerUtility;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
/**
* ViewHelper to generate an HTML readable dump of variables or objects.
* The output can be navigated like a nested tree. The output will be put
* at the beginning of the HTML response, unless the `inline` attribute is set,
* so that the output will be placed at the specific place where it is placed
* inside a Fluid template.
*
* ```
* <f:debug title="My Title"
* maxDepth="5"
* blacklistedClassNames="{0:'ACME\BlogExample\Domain\Model\Administrator'}"
* blacklistedPropertyNames="{0:'posts'}"
* plainText="true"
* ansiColors="false"
* inline="true">{blogs}
* </f:debug>
* ```
*
* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-debug
*/
final class DebugViewHelper extends AbstractViewHelper
{
/**
* This prevents double escaping as the output is encoded in DebuggerUtility::var_dump
*
* @var bool
*/
protected $escapeChildren = false;
/**
* Output of this viewhelper is already escaped
*
* @var bool
*/
protected $escapeOutput = false;
public function initializeArguments(): void
{
$this->registerArgument('title', 'string', 'optional custom title for the debug output');
$this->registerArgument('maxDepth', 'int', 'Sets the max recursion depth of the dump (defaults to 8). De- or increase the number according to your needs and memory limit.', false, 8);
$this->registerArgument('plainText', 'bool', 'If TRUE, the dump is in plain text, if FALSE the debug output is in HTML format.', false, false);
$this->registerArgument('ansiColors', 'bool', 'If TRUE, ANSI color codes is added to the plaintext output, if FALSE (default) the plaintext debug output not colored.', false, false);
$this->registerArgument('inline', 'bool', 'if TRUE, the dump is rendered at the position of the <f:debug> tag. If FALSE (default), the dump is displayed at the top of the page.', false, false);
$this->registerArgument('blacklistedClassNames', 'array', 'An array of class names (RegEx) to be filtered. Default is an array of some common class names.');
$this->registerArgument('blacklistedPropertyNames', 'array', 'An array of property names and/or array keys (RegEx) to be filtered. Default is an array of some common property names.');
}
/**
* A wrapper for \TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump().
*/
public function render(): string
{
return DebuggerUtility::var_dump(
$this->renderChildren(),
is_scalar($this->arguments['title']) ? (string)$this->arguments['title'] : null,
(int)$this->arguments['maxDepth'],
(bool)$this->arguments['plainText'],
(bool)$this->arguments['ansiColors'],
(bool)$this->arguments['inline'],
is_array($this->arguments['blacklistedClassNames']) ? $this->arguments['blacklistedClassNames'] : null,
is_array($this->arguments['blacklistedPropertyNames']) ? $this->arguments['blacklistedPropertyNames'] : null
);
}
}