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msd2/phpBB3/phpbb/debug/debug.php

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+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\debug;
+
+use Symfony\Component\Debug\BufferingLogger;
+use Symfony\Component\Debug\DebugClassLoader;
+use Symfony\Component\Debug\ExceptionHandler;
+
+/**
+ * Registers all the debug tools.
+
+ * @see Symfony\Component\Debug\Debug
+ */
+class debug
+{
+	private static $enabled = false;
+
+	/**
+	 * Enables the debug tools.
+	 *
+	 * This method registers an error handler and an exception handler.
+	 *
+	 * If the Symfony ClassLoader component is available, a special
+	 * class loader is also registered.
+	 *
+	 * @param int  $errorReportingLevel The level of error reporting you want
+	 * @param bool $displayErrors       Whether to display errors (for development) or just log them (for production)
+	 */
+	public static function enable($errorReportingLevel = null, $displayErrors = true)
+	{
+		if (static::$enabled)
+		{
+			return;
+		}
+
+		static::$enabled = true;
+
+		if ($errorReportingLevel !== null)
+		{
+			error_reporting($errorReportingLevel);
+		}
+		else
+		{
+			error_reporting(-1);
+		}
+
+		if ('cli' !== php_sapi_name())
+		{
+			ini_set('display_errors', 0);
+			ExceptionHandler::register();
+		}
+		else if ($displayErrors && (!ini_get('log_errors') || ini_get('error_log')))
+		{
+			// CLI - display errors only if they're not already logged to STDERR
+			ini_set('display_errors', 1);
+		}
+
+		if ($displayErrors)
+		{
+			error_handler::register(new error_handler(new BufferingLogger()));
+		}
+		else
+		{
+			error_handler::register()->throwAt(0, true);
+		}
+
+		DebugClassLoader::enable();
+	}
+}