rkljw 6bd34d24aa 第一次提交 10 months ago
..
src 6bd34d24aa 第一次提交 10 months ago
ChangeLog.md 6bd34d24aa 第一次提交 10 months ago
LICENSE 6bd34d24aa 第一次提交 10 months ago
README.md 6bd34d24aa 第一次提交 10 months ago
SECURITY.md 6bd34d24aa 第一次提交 10 months ago
composer.json 6bd34d24aa 第一次提交 10 months ago

README.md

phpunit/php-timer

Latest Stable Version CI Status Type Coverage codecov

Utility class for timing things, factored out of PHPUnit into a stand-alone component.

Installation

You can add this library as a local, per-project dependency to your project using Composer:

composer require phpunit/php-timer

If you only need this library during development, for instance to run your project's test suite, then you should add it as a development-time dependency:

composer require --dev phpunit/php-timer

Usage

Basic Timing

require __DIR__ . '/vendor/autoload.php';

use SebastianBergmann\Timer\Timer;

$timer = new Timer;

$timer->start();

foreach (\range(0, 100000) as $i) {
    // ...
}

$duration = $timer->stop();

var_dump(get_class($duration));
var_dump($duration->asString());
var_dump($duration->asSeconds());
var_dump($duration->asMilliseconds());
var_dump($duration->asMicroseconds());
var_dump($duration->asNanoseconds());

The code above yields the output below:

string(32) "SebastianBergmann\Timer\Duration"
string(9) "00:00.002"
float(0.002851062)
float(2.851062)
float(2851.062)
int(2851062)

Resource Consumption

Explicit duration

require __DIR__ . '/vendor/autoload.php';

use SebastianBergmann\Timer\ResourceUsageFormatter;
use SebastianBergmann\Timer\Timer;

$timer = new Timer;
$timer->start();

foreach (\range(0, 100000) as $i) {
    // ...
}

print (new ResourceUsageFormatter)->resourceUsage($timer->stop());

The code above yields the output below:

Time: 00:00.002, Memory: 6.00 MB

Duration since PHP Startup (using unreliable $_SERVER['REQUEST_TIME_FLOAT'])

require __DIR__ . '/vendor/autoload.php';

use SebastianBergmann\Timer\ResourceUsageFormatter;

foreach (\range(0, 100000) as $i) {
    // ...
}

print (new ResourceUsageFormatter)->resourceUsageSinceStartOfRequest();

The code above yields the output below:

Time: 00:00.002, Memory: 6.00 MB