└── manager


/manager:
--------------------------------------------------------------------------------
  1 | <?php
  2 | /**
  3 |  * CodeIgniter
  4 |  *
  5 |  * An open source application development framework for PHP
  6 |  *
  7 |  * This content is released under the MIT License (MIT)
  8 |  *
  9 |  * Copyright (c) 2019 - 2022, CodeIgniter Foundation
 10 |  *
 11 |  * Permission is hereby granted, free of charge, to any person obtaining a copy
 12 |  * of this software and associated documentation files (the "Software"), to deal
 13 |  * in the Software without restriction, including without limitation the rights
 14 |  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 15 |  * copies of the Software, and to permit persons to whom the Software is
 16 |  * furnished to do so, subject to the following conditions:
 17 |  *
 18 |  * The above copyright notice and this permission notice shall be included in
 19 |  * all copies or substantial portions of the Software.
 20 |  *
 21 |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 22 |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 23 |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 24 |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 25 |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 26 |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 27 |  * THE SOFTWARE.
 28 |  *
 29 |  * @package	CodeIgniter
 30 |  * @author	EllisLab Dev Team
 31 |  * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 32 |  * @copyright	Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
 33 |  * @copyright	Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
 34 |  * @license	https://opensource.org/licenses/MIT	MIT License
 35 |  * @link	https://codeigniter.com
 36 |  * @since	Version 1.0.0
 37 |  * @filesource
 38 |  */
 39 | defined('BASEPATH') OR exit('No direct script access allowed');
 40 | 
 41 | /**
 42 |  * Benchmark Class
 43 |  *
 44 |  * This class enables you to mark points and calculate the time difference
 45 |  * between them. Memory consumption can also be displayed.
 46 |  *
 47 |  * @package		CodeIgniter
 48 |  * @subpackage	Libraries
 49 |  * @category	Libraries
 50 |  * @author		EllisLab Dev Team
 51 |  * @link		https://codeigniter.com/userguide3/libraries/benchmark.html
 52 |  */
 53 | class CI_Benchmark {
 54 | 
 55 | 	/**
 56 | 	 * List of all benchmark markers
 57 | 	 *
 58 | 	 * @var	array
 59 | 	 */
 60 | 	public $marker = array();
 61 | 
 62 | 	/**
 63 | 	 * Set a benchmark marker
 64 | 	 *
 65 | 	 * Multiple calls to this function can be made so that several
 66 | 	 * execution points can be timed.
 67 | 	 *
 68 | 	 * @param	string	$name	Marker name
 69 | 	 * @return	void
 70 | 	 */
 71 | 	public function mark($name)
 72 | 	{
 73 | 		$this->marker[$name] = microtime(TRUE);
 74 | 	}
 75 | 
 76 | 	// --------------------------------------------------------------------
 77 | 
 78 | 	/**
 79 | 	 * Elapsed time
 80 | 	 *
 81 | 	 * Calculates the time difference between two marked points.
 82 | 	 *
 83 | 	 * If the first parameter is empty this function instead returns the
 84 | 	 * {elapsed_time} pseudo-variable. This permits the full system
 85 | 	 * execution time to be shown in a template. The output class will
 86 | 	 * swap the real value for this variable.
 87 | 	 *
 88 | 	 * @param	string	$point1		A particular marked point
 89 | 	 * @param	string	$point2		A particular marked point
 90 | 	 * @param	int	$decimals	Number of decimal places
 91 | 	 *
 92 | 	 * @return	string	Calculated elapsed time on success,
 93 | 	 *			an '{elapsed_string}' if $point1 is empty
 94 | 	 *			or an empty string if $point1 is not found.
 95 | 	 */
 96 | 	public function elapsed_time($point1 = '', $point2 = '', $decimals = 4)
 97 | 	{
 98 | 		if ($point1 === '')
 99 | 		{
100 | 			return '{elapsed_time}';
101 | 		}
102 | 
103 | 		if ( ! isset($this->marker[$point1]))
104 | 		{
105 | 			return '';
106 | 		}
107 | 
108 | 		if ( ! isset($this->marker[$point2]))
109 | 		{
110 | 			$this->marker[$point2] = microtime(TRUE);
111 | 		}
112 | 
113 | 		return number_format($this->marker[$point2] - $this->marker[$point1], $decimals);
114 | 	}
115 | 
116 | 	// --------------------------------------------------------------------
117 | 
118 | 	/**
119 | 	 * Memory Usage
120 | 	 *
121 | 	 * Simply returns the {memory_usage} marker.
122 | 	 *
123 | 	 * This permits it to be put it anywhere in a template
124 | 	 * without the memory being calculated until the end.
125 | 	 * The output class will swap the real value for this variable.
126 | 	 *
127 | 	 * @return	string	'{memory_usage}'
128 | 	 */
129 | 	public function memory_usage()
130 | 	{
131 | 		return '{memory_usage}';
132 | 	}
133 | 
134 | }
135 | 


--------------------------------------------------------------------------------