First Local Commit - After Clean up.

Signed-off-by: Rick Hays <rhays@haysgang.com>
2019-12-02 14:54:38 -06:00
commit 10412ab7f6
486 changed files with 123242 additions and 0 deletions
--- a/system/Debug/Iterator.php
+++ b/system/Debug/Iterator.php
@@ -0,0 +1,179 @@
+<?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\Debug;
+
+/**
+ * Iterator for debugging.
+ */
+class Iterator
+{
+
+	/**
+	 * Stores the tests that we are to run.
+	 *
+	 * @var array
+	 */
+	protected $tests = [];
+
+	/**
+	 * Stores the results of each of the tests.
+	 *
+	 * @var array
+	 */
+	protected $results = [];
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Adds a test to run.
+	 *
+	 * Tests are simply closures that the user can define any sequence of
+	 * things to happen during the test.
+	 *
+	 * @param string   $name
+	 * @param \Closure $closure
+	 *
+	 * @return $this
+	 */
+	public function add(string $name, \Closure $closure)
+	{
+		$name = strtolower($name);
+
+		$this->tests[$name] = $closure;
+
+		return $this;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Runs through all of the tests that have been added, recording
+	 * time to execute the desired number of iterations, and the approximate
+	 * memory usage used during those iterations.
+	 *
+	 * @param integer $iterations
+	 * @param boolean $output
+	 *
+	 * @return string|null
+	 */
+	public function run(int $iterations = 1000, bool $output = true)
+	{
+		foreach ($this->tests as $name => $test)
+		{
+			// clear memory before start
+			gc_collect_cycles();
+
+			$start     = microtime(true);
+			$start_mem = $max_memory = memory_get_usage(true);
+
+			for ($i = 0; $i < $iterations; $i ++)
+			{
+				$result = $test();
+
+				$max_memory = max($max_memory, memory_get_usage(true));
+
+				unset($result);
+			}
+
+			$this->results[$name] = [
+				'time'   => microtime(true) - $start,
+				'memory' => $max_memory - $start_mem,
+				'n'      => $iterations,
+			];
+		}
+
+		if ($output)
+		{
+			return $this->getReport();
+		}
+
+		return null;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Get results.
+	 *
+	 * @return string
+	 */
+	public function getReport(): string
+	{
+		if (empty($this->results))
+		{
+			return 'No results to display.';
+		}
+
+		helper('number');
+
+		// Template
+		$tpl = '<table>
+			<thead>
+				<tr>
+					<td>Test</td>
+					<td>Time</td>
+					<td>Memory</td>
+				</tr>
+			</thead>
+			<tbody>
+				{rows}
+			</tbody>
+		</table>';
+
+		$rows = '';
+
+		foreach ($this->results as $name => $result)
+		{
+			$memory = number_to_size($result['memory'], 4);
+
+			$rows .= "<tr>
+				<td>{$name}</td>
+				<td>" . number_format($result['time'], 4) . "</td>
+				<td>{$memory}</td>
+			</tr>";
+		}
+
+		$tpl = str_replace('{rows}', $rows, $tpl);
+
+		return $tpl . '<br/>';
+	}
+
+	//--------------------------------------------------------------------
+
+}