<?php
require __DIR__ . '/vendor/autoload.php';
use Nice\Benchmark\Benchmark;
$benchmark = new Benchmark(100000, 'String matching');
$benchmark->register('preg_match', function() {
        assert(preg_match('/^test/', 'testing'));
    });
$benchmark->register('strpos', function() {
        assert(strpos('testing', 'test') === 0);
    });
$benchmark->execute();

<?php
require __DIR__ . '/vendor/autoload.php';
use Nice\Benchmark\Benchmark;
$arr = range(1, 10000);
$benchmark = new Benchmark(10000, 'foreach');
$benchmark->register('foreach with value', function() use ($arr) {
        foreach ($arr as $value) {
        
        }
    });
$benchmark->register('foreach with key, value', function() use ($arr) {
        foreach ($arr as $key => $value) {
            
        }
    });
$benchmark->execute();