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40 lines
924 B
40 lines
924 B
<?php declare(strict_types=1); |
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/* |
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* This file is part of phpunit/php-timer. |
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* |
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* (c) Sebastian Bergmann <sebastian@phpunit.de> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace SebastianBergmann\Timer; |
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use function array_pop; |
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use function hrtime; |
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final class Timer |
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{ |
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/** |
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* @psalm-var list<float> |
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*/ |
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private $startTimes = []; |
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public function start(): void |
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{ |
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$this->startTimes[] = (float) hrtime(true); |
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} |
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/** |
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* @throws NoActiveTimerException |
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*/ |
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public function stop(): Duration |
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{ |
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if (empty($this->startTimes)) { |
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throw new NoActiveTimerException( |
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'Timer::start() has to be called before Timer::stop()' |
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); |
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} |
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return Duration::fromNanoseconds((float) hrtime(true) - array_pop($this->startTimes)); |
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} |
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}
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