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<?php |
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/** |
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* This file is part of the Stopwatch package. |
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* |
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* Copyright (c) Miloš Đurić <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace Laganica\Stopwatch; |
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/** |
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* Class Stopwatch |
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* |
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* @package Laganica\Stopwatch |
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*/ |
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final class Stopwatch |
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{ |
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/** |
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* @var float |
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*/ |
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private $time; |
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/** |
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* @var float |
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*/ |
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private $elapsed; |
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/** |
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* @var bool |
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*/ |
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private $isRunning; |
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private function __construct() |
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{ |
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$this->init(); |
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} |
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/** |
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* @return Stopwatch |
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*/ |
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public static function createNew(): self |
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{ |
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return new self(); |
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} |
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/** |
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* Starts or resumes measurement. |
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* |
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* @return void |
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*/ |
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public function start(): void |
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{ |
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$this->time = microtime(true) - $this->getElapsed(); |
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$this->isRunning = true; |
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} |
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/** |
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* Stops measurement. |
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* |
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* @return void |
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*/ |
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public function stop(): void |
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{ |
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$this->storeElapsed(); |
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$this->isRunning = false; |
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} |
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/** |
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* Stops measurement and starts from the beginning. |
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* |
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* @return void |
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*/ |
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public function restart(): void |
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{ |
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$this->init(); |
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$this->start(); |
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} |
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/** |
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* Stops measurement and resets elapsed time. |
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* |
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* @return void |
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*/ |
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public function reset(): void |
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{ |
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$this->init(); |
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} |
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/** |
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* @return float |
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*/ |
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public function getElapsed(): float |
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{ |
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$this->storeElapsed(); |
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return $this->elapsed - $this->time; |
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} |
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/** |
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* @return int |
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*/ |
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public function getElapsedSeconds(): int |
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{ |
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return (int) $this->getElapsed(); |
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} |
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/** |
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* @return int |
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*/ |
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public function getElapsedMilliseconds(): int |
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{ |
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return (int) ($this->getElapsed() * 1000); |
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} |
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/** |
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* @return int |
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*/ |
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public function getElapsedMicroseconds(): int |
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{ |
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return (int) ($this->getElapsed() * 1000000); |
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} |
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/** |
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* Returns true if stopwatch is running, otherwise false. |
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* |
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* @return bool |
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*/ |
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public function isRunning(): bool |
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{ |
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return $this->isRunning; |
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} |
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/** |
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* Initializes stopwatch internals. |
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* |
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* @return void |
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*/ |
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private function init(): void |
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{ |
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$this->time = 0.0; |
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$this->elapsed = 0.0; |
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$this->isRunning = false; |
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} |
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/** |
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* Stores elapsed time. |
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* |
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* @return void |
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*/ |
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10 |
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private function storeElapsed(): void |
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{ |
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if ($this->isRunning === false) { |
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return; |
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} |
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$this->elapsed = microtime(true); |
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} |
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} |
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djuricmilos /
stopwatch
