1 files changed, 55 insertions, 0 deletions
diff --git a/phpBB/phpbb/db/migrator_output_handler.php b/phpBB/phpbb/db/migrator_output_handler.php
new file mode 100644
index 0000000000..5e011bc45b
--- /dev/null
+++ b/phpBB/phpbb/db/migrator_output_handler.php
@@ -0,0 +1,55 @@
+<?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\db;
+
+class migrator_output_handler
+{
+	const VERBOSITY_QUIET        = 0;
+	const VERBOSITY_NORMAL       = 1;
+	const VERBOSITY_VERBOSE      = 2;
+	const VERBOSITY_VERY_VERBOSE = 3;
+	const VERBOSITY_DEBUG        = 4;
+
+	/**
+	 * A callable used to write the output.
+	 *
+	 * @var callable
+	 */
+	private $closure;
+
+	/**
+	 * Constructor
+	 *
+	 * @param callable $closure The closure used to write the output. (null by default)
+	 */
+	public function __construct(\Closure $closure = null)
+	{
+		if ($closure === null) {
+			$closure = function($message, $verbosity) {};
+		}
+		$this->closure = $closure;
+	}
+
+	/**
+	 * Write output using the configured closure.
+	 *
+	 * @param string|array $message The message to write or an array containing the language key and all of its parameters.
+	 * @param int $verbosity The verbosity of the message.
+	 */
+	public function write($message, $verbosity)
+	{
+		$closure = $this->closure;
+		$closure((array) $message, $verbosity);
+	}
+}