74 lines
2.1 KiB
PHP
74 lines
2.1 KiB
PHP
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<?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 is_float;
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use function memory_get_peak_usage;
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use function microtime;
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use function sprintf;
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final class ResourceUsageFormatter
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{
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/**
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* @psalm-var array<string,int>
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*/
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private const SIZES = [
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'GB' => 1073741824,
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'MB' => 1048576,
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'KB' => 1024,
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];
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public function resourceUsage(Duration $duration): string
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{
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return sprintf(
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'Time: %s, Memory: %s',
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$duration->asString(),
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$this->bytesToString(memory_get_peak_usage(true))
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);
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}
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/**
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* @throws TimeSinceStartOfRequestNotAvailableException
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*/
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public function resourceUsageSinceStartOfRequest(): string
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{
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if (!isset($_SERVER['REQUEST_TIME_FLOAT'])) {
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throw new TimeSinceStartOfRequestNotAvailableException(
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'Cannot determine time at which the request started because $_SERVER[\'REQUEST_TIME_FLOAT\'] is not available'
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);
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}
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if (!is_float($_SERVER['REQUEST_TIME_FLOAT'])) {
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throw new TimeSinceStartOfRequestNotAvailableException(
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'Cannot determine time at which the request started because $_SERVER[\'REQUEST_TIME_FLOAT\'] is not of type float'
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);
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}
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return $this->resourceUsage(
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Duration::fromMicroseconds(
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(1000000 * (microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']))
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)
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);
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}
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private function bytesToString(int $bytes): string
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{
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foreach (self::SIZES as $unit => $value) {
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if ($bytes >= $value) {
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return sprintf('%.2f %s', $bytes >= 1024 ? $bytes / $value : $bytes, $unit);
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}
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}
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// @codeCoverageIgnoreStart
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return $bytes . ' byte' . ($bytes !== 1 ? 's' : '');
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// @codeCoverageIgnoreEnd
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}
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}
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