First Local Commit - After Clean up.

Signed-off-by: Rick Hays <rhays@haysgang.com>

system/Test/Filters/CITestStreamFilter.php

@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 British Columbia Institute of Technology
+ * Copyright (c) 2019 CodeIgniter Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package    CodeIgniter
+ * @author     CodeIgniter Dev Team
+ * @copyright  2019 CodeIgniter Foundation
+ * @license    https://opensource.org/licenses/MIT	MIT License
+ * @link       https://codeigniter.com
+ * @since      Version 4.0.0
+ * @filesource
+ */
+
+namespace CodeIgniter\Test\Filters;
+
+/**
+ * Class to extract an output snapshot.
+ * Used to capture output during unit testing, so that it can
+ * be used in assertions.
+ */
+
+class CITestStreamFilter extends \php_user_filter
+{
+
+	/**
+	 * Buffer to capture stream content.
+	 *
+	 * @var type
+	 */
+	public static $buffer = '';
+
+	/**
+	 * Output filtering - catch it all.
+	 *
+	 * @param  type $in
+	 * @param  type $out
+	 * @param  type $consumed
+	 * @param  type $closing
+	 * @return type
+	 */
+	public function filter($in, $out, &$consumed, $closing)
+	{
+		while ($bucket = stream_bucket_make_writeable($in))
+		{
+			static::$buffer .= $bucket->data;
+			$consumed       += $bucket->datalen;
+		}
+		return PSFS_PASS_ON;
+	}
+
+}
+
+// @codeCoverageIgnoreStart
+stream_filter_register('CITestStreamFilter', 'CodeIgniter\Test\Filters\CITestStreamFilter');
+// @codeCoverageIgnoreEnd