159 lines
4.7 KiB
PHP
159 lines
4.7 KiB
PHP
<?php
|
|
/**
|
|
* PHP_Timer
|
|
*
|
|
* Copyright (c) 2010-2012, Sebastian Bergmann <sb@sebastian-bergmann.de>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* * Neither the name of Sebastian Bergmann nor the names of his
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @package PHP
|
|
* @subpackage Timer
|
|
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
|
|
* @copyright 2010-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
|
|
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
|
|
* @link http://github.com/sebastianbergmann/php-timer
|
|
* @since File available since Release 1.0.0
|
|
*/
|
|
|
|
/**
|
|
* Utility class for timing.
|
|
*
|
|
* @package PHP
|
|
* @subpackage Timer
|
|
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
|
|
* @copyright 2010-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
|
|
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
|
|
* @version Release: @package_version@
|
|
* @link http://github.com/sebastianbergmann/php-timer
|
|
* @since Class available since Release 1.0.0
|
|
*/
|
|
class PHP_Timer
|
|
{
|
|
/**
|
|
* @var array
|
|
*/
|
|
protected static $startTimes = array();
|
|
|
|
/**
|
|
* @var float
|
|
*/
|
|
public static $requestTime;
|
|
|
|
/**
|
|
* Starts the timer.
|
|
*/
|
|
public static function start()
|
|
{
|
|
array_push(self::$startTimes, microtime(TRUE));
|
|
}
|
|
|
|
/**
|
|
* Stops the timer and returns the elapsed time.
|
|
*
|
|
* @return float
|
|
*/
|
|
public static function stop()
|
|
{
|
|
return microtime(TRUE) - array_pop(self::$startTimes);
|
|
}
|
|
|
|
/**
|
|
* Formats the elapsed time as a string.
|
|
*
|
|
* @param float $time
|
|
* @return string
|
|
*/
|
|
public static function secondsToTimeString($time)
|
|
{
|
|
$buffer = '';
|
|
|
|
$hours = sprintf('%02d', ($time >= 3600) ? floor($time / 3600) : 0);
|
|
$minutes = sprintf(
|
|
'%02d',
|
|
($time >= 60) ? floor($time / 60) - 60 * $hours : 0
|
|
);
|
|
$seconds = sprintf('%02d', $time - 60 * 60 * $hours - 60 * $minutes);
|
|
|
|
if ($hours == 0 && $minutes == 0) {
|
|
$seconds = sprintf('%1d', $seconds);
|
|
|
|
$buffer .= $seconds . ' second';
|
|
|
|
if ($seconds != '1') {
|
|
$buffer .= 's';
|
|
}
|
|
} else {
|
|
if ($hours > 0) {
|
|
$buffer = $hours . ':';
|
|
}
|
|
|
|
$buffer .= $minutes . ':' . $seconds;
|
|
}
|
|
|
|
return $buffer;
|
|
}
|
|
|
|
/**
|
|
* Formats the elapsed time since the start of the request as a string.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function timeSinceStartOfRequest()
|
|
{
|
|
return self::secondsToTimeString(time() - self::$requestTime);
|
|
}
|
|
|
|
/**
|
|
* Returns the resources (time, memory) of the request as a string.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function resourceUsage()
|
|
{
|
|
return sprintf(
|
|
'Time: %s, Memory: %4.2fMb',
|
|
self::timeSinceStartOfRequest(),
|
|
memory_get_peak_usage(TRUE) / 1048576
|
|
);
|
|
}
|
|
}
|
|
|
|
if (isset($_SERVER['REQUEST_TIME_FLOAT'])) {
|
|
PHP_Timer::$requestTime = $_SERVER['REQUEST_TIME_FLOAT'];
|
|
}
|
|
|
|
else if (isset($_SERVER['REQUEST_TIME'])) {
|
|
PHP_Timer::$requestTime = $_SERVER['REQUEST_TIME'];
|
|
}
|
|
|
|
else {
|
|
PHP_Timer::$requestTime = time();
|
|
} |