当前路径:vendor/phpunit/php-timer/src/Timer.php <?php declare(strict_types=1); /* * This file is part of phpunit/php-timer. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Timer; final class Timer { /** * @var int[] */ private static $sizes = [ 'GB' => 1073741824, 'MB' => 1048576, 'KB' => 1024, ]; /** * @var int[] */ private static $times = [ 'hour' => 3600000, 'minute' => 60000, 'second' => 1000, ]; /** * @var float[] */ private static $startTimes = []; public static function start(): void { self::$startTimes[] = \microtime(true); } public static function stop(): float { return \microtime(true) - \array_pop(self::$startTimes); } public static function bytesToString(float $bytes): string { foreach (self::$sizes as $unit => $value) { if ($bytes >= $value) { return \sprintf('%.2f %s', $bytes >= 1024 ? $bytes / $value : $bytes, $unit); } } return $bytes . ' byte' . ((int) $bytes !== 1 ? 's' : ''); } public static function secondsToTimeString(float $time): string { $ms = \round($time * 1000); foreach (self::$times as $unit => $value) { if ($ms >= $value) { $time = \floor($ms / $value * 100.0) / 100.0; return $time . ' ' . ($time == 1 ? $unit : $unit . 's'); } } return $ms . ' ms'; } /** * @throws RuntimeException */ public static function timeSinceStartOfRequest(): string { if (isset($_SERVER['REQUEST_TIME_FLOAT'])) { $startOfRequest = $_SERVER['REQUEST_TIME_FLOAT']; } elseif (isset($_SERVER['REQUEST_TIME'])) { $startOfRequest = $_SERVER['REQUEST_TIME']; } else { throw new RuntimeException('Cannot determine time at which the request started'); } return self::secondsToTimeString(\microtime(true) - $startOfRequest); } /** * @throws RuntimeException */ public static function resourceUsage(): string { return \sprintf( 'Time: %s, Memory: %s', self::timeSinceStartOfRequest(), self::bytesToString(\memory_get_peak_usage(true)) ); } }
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51Aspx.com 版权所有 CopyRight © 2006-2022. 京ICP备09089570号 | 京公网安备11010702000869号