GlobalDebugFunctions.php

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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!
 */
 
// Short-hand debug function
// If you wish to use the debug()-function, and it does not output something,
// please edit the IP mask in TYPO3_CONF_VARS
function ‪debug(mixed $variable = '', ?string $title = null): void
{
    if (!\‪TYPO3\CMS\Core\Utility\GeneralUtility::cmpIP(
        \‪TYPO3\CMS\Core\Utility\GeneralUtility::getIndpEnv('REMOTE_ADDR'),
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask']
    )
    ) {
        return;
    }
    ‪\TYPO3\CMS\Core\Utility\DebugUtility::debug($variable, $title ?? '');
}