Debug.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\ErrorHandler;


/**
 * Registers all the debug tools.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Debug {
    public static function enable() : ErrorHandler {
        error_reporting(-1);
        if (!\in_array(\PHP_SAPI, [
            'cli',
            'phpdbg',
            'embed',
        ], true)) {
            ini_set('display_errors', 0);
        }
        elseif (!filter_var(\ini_get('log_errors'), \FILTER_VALIDATE_BOOL) || \ini_get('error_log')) {
            // CLI - display errors only if they're not already logged to STDERR
            ini_set('display_errors', 1);
        }
        @ini_set('zend.assertions', 1);
        ini_set('assert.active', 1);
        ini_set('assert.exception', 1);
        DebugClassLoader::enable();
        return ErrorHandler::register(new ErrorHandler(new BufferingLogger(), true));
    }

}