diff options
Diffstat (limited to 'system/core/Benchmark.php')
| -rw-r--r-- | system/core/Benchmark.php | 105 |
1 files changed, 60 insertions, 45 deletions
diff --git a/system/core/Benchmark.php b/system/core/Benchmark.php index a5c3e999b..b3ac79c62 100644 --- a/system/core/Benchmark.php +++ b/system/core/Benchmark.php @@ -1,61 +1,82 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP * - * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html - * @link http://codeigniter.com - * @since Version 1.0 + * This content is released under the MIT License (MIT) + * + * Copyright (c) 2014 - 2017, British Columbia Institute of Technology + * + * 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 EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) + * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) + * @license http://opensource.org/licenses/MIT MIT License + * @link https://codeigniter.com + * @since Version 1.0.0 * @filesource */ - -// ------------------------------------------------------------------------ +defined('BASEPATH') OR exit('No direct script access allowed'); /** - * CodeIgniter Benchmark Class + * Benchmark Class * * This class enables you to mark points and calculate the time difference - * between them. Memory consumption can also be displayed. + * between them. Memory consumption can also be displayed. * * @package CodeIgniter * @subpackage Libraries * @category Libraries - * @author ExpressionEngine Dev Team - * @link http://codeigniter.com/user_guide/libraries/benchmark.html + * @author EllisLab Dev Team + * @link https://codeigniter.com/user_guide/libraries/benchmark.html */ class CI_Benchmark { /** - * List of all benchmark markers and when they were added + * List of all benchmark markers * - * @var array + * @var array */ - var $marker = array(); - - // -------------------------------------------------------------------- + public $marker = array(); /** * Set a benchmark marker * * Multiple calls to this function can be made so that several - * execution points can be timed + * execution points can be timed. * - * @access public - * @param string $name name of the marker + * @param string $name Marker name * @return void */ - function mark($name) + public function mark($name) { - $this->marker[$name] = microtime(); + $this->marker[$name] = microtime(TRUE); } // -------------------------------------------------------------------- /** + * Elapsed time + * * Calculates the time difference between two marked points. * * If the first parameter is empty this function instead returns the @@ -63,15 +84,17 @@ class CI_Benchmark { * execution time to be shown in a template. The output class will * swap the real value for this variable. * - * @access public - * @param string a particular marked point - * @param string a particular marked point - * @param integer the number of decimal places - * @return mixed + * @param string $point1 A particular marked point + * @param string $point2 A particular marked point + * @param int $decimals Number of decimal places + * + * @return string Calculated elapsed time on success, + * an '{elapsed_string}' if $point1 is empty + * or an empty string if $point1 is not found. */ - function elapsed_time($point1 = '', $point2 = '', $decimals = 4) + public function elapsed_time($point1 = '', $point2 = '', $decimals = 4) { - if ($point1 == '') + if ($point1 === '') { return '{elapsed_time}'; } @@ -83,13 +106,10 @@ class CI_Benchmark { if ( ! isset($this->marker[$point2])) { - $this->marker[$point2] = microtime(); + $this->marker[$point2] = microtime(TRUE); } - list($sm, $ss) = explode(' ', $this->marker[$point1]); - list($em, $es) = explode(' ', $this->marker[$point2]); - - return number_format(($em + $es) - ($sm + $ss), $decimals); + return number_format($this->marker[$point2] - $this->marker[$point1], $decimals); } // -------------------------------------------------------------------- @@ -97,22 +117,17 @@ class CI_Benchmark { /** * Memory Usage * - * This function returns the {memory_usage} pseudo-variable. + * Simply returns the {memory_usage} marker. + * * This permits it to be put it anywhere in a template * without the memory being calculated until the end. * The output class will swap the real value for this variable. * - * @access public - * @return string + * @return string '{memory_usage}' */ - function memory_usage() + public function memory_usage() { return '{memory_usage}'; } } - -// END CI_Benchmark class - -/* End of file Benchmark.php */ -/* Location: ./system/core/Benchmark.php */
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