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https://github.com/e107inc/e107.git
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116 lines
2.4 KiB
PHP
116 lines
2.4 KiB
PHP
<?php
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/*
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* e107 website system
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*
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* Copyright (C) 2008-2010 e107 Inc (e107.org)
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* Released under the terms and conditions of the
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
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*
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* Benchmark handler
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*
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* $URL$
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* $Id$
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*/
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/**
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* @package e107
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* @subpackage e107_handlers
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* @version $Id$
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* @author secretr
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*
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* Simple, quick and efective way of testing performance of parts of your code
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* Example:
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* <code> <?php
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* require_once e_HANDLER.'benchmark.php';
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*
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* $bench = new e_benchmark();
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* $bench->start();
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*
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* // Do something, e.g. loop 1000000 times
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*
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* // stop timer and check your e_LOG folder
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* $bench->end()->logResult('myevent');
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* //OR print out the result (don't forget to stop the timer if used without the above line!
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* $bench->printResult();
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* </code>
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*/
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class e_benchmark
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{
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protected $time_start;
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protected $time_end;
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/**
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* Constructor
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*/
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function __construct()
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{
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$this->time_end = $this->time_start = 0;
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}
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/**
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* Start timer
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* @return e_benchmark
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*/
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public function start()
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{
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$this->time_start = microtime(true);
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return $this;
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}
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/**
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* Stop timer
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* @return e_benchmark
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*/
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public function end()
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{
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$this->time_end = microtime(true);
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return $this;
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}
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/**
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* Calculate result
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* @return integer
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*/
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public function result()
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{
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return ($this->time_end - $this->time_start);
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}
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/**
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* Write result to a file in system log
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* @param string $id identifier of the current benchmark event e.g. 'thumbnail.create'
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* @param string $heading additional data to be shown in the log (header) e.g. '[Some Event]'
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* @param boolean $append overwrite or append to the log file
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* @return e_benchmark
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*/
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public function logResult($id, $heading = '', $append = true)
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{
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file_put_contents(e_LOG.'Benchmark_'.$id.'.log', $this->formatData($heading), ($append ? FILE_APPEND : 0));
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return $this;
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}
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/**
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* Send result to the stdout
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*
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* @param string $heading
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* @return e_benchmark
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*/
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public function printResult($heading = '')
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{
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print('<pre>'.$this->formatData($heading).'</pre>');
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return $this;
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}
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/**
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* Format data for loging/printing
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*
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* @param string $heading
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* @return string
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*/
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function formatData($heading)
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{
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$data = "------------- Log Start -------------\n".date('r')." ".$heading."\n";
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$data .= "Result: ".$this->result()." sec\n------------- Log End -------------\n\n";
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return $data;
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}
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} |