5 * Copyright (c) 2002-2009, Sebastian Bergmann <sb@sebastian-bergmann.de>.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * * Neither the name of Sebastian Bergmann nor the names of his
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
34 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
39 * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
40 * @copyright 2002-2009 Sebastian Bergmann <sb@sebastian-bergmann.de>
41 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43 * @link http://www.phpunit.de/
44 * @since File available since Release 3.0.0
47 require_once 'PHPUnit/Util/Filter.php';
49 PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');
52 * Utility class for timing.
56 * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
57 * @copyright 2002-2009 Sebastian Bergmann <sb@sebastian-bergmann.de>
58 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
59 * @version Release: 3.3.17
60 * @link http://www.phpunit.de/
61 * @since Class available since Release 3.0.0
63 class PHPUnit_Util_Timer
65 protected static $startTimes = array();
71 public static function start()
73 array_push(self::$startTimes, microtime(TRUE));
77 * Returns the currently elapsed time.
81 public static function current()
83 return microtime(TRUE) - self::$startTimes[count(self::$startTimes)-1];
87 * Stops the timer and returns the elapsed time.
90 public static function stop()
92 return microtime(TRUE) - array_pop(self::$startTimes);
96 * Formats elapsed time (in seconds) to a string.
101 public static function secondsToTimeString($time)
105 $hours = sprintf('%02d', ($time >= 3600) ? floor($time / 3600) : 0);
106 $minutes = sprintf('%02d', ($time >= 60) ? floor($time / 60) - 60 * $hours : 0);
107 $seconds = sprintf('%02d', $time - 60 * 60 * $hours - 60 * $minutes);
109 if ($hours == 0 && $minutes == 0) {
110 $seconds = sprintf('%1d', $seconds);
112 $buffer .= $seconds . ' second';
114 if ($seconds != '1') {
119 $buffer = $hours . ':';
122 $buffer .= $minutes . ':' . $seconds;