test.php

<?php

function testEndpoint($url, $iterations = 100)
{
    $times = [];

    for ($i = 0; $i < $iterations; $i++) {
        $start = microtime(true);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        $end = microtime(true);
        $executionTime = ($end - $start) * 1000; // Convert to milliseconds

        if ($httpCode == 200) {
            $times[] = $executionTime;
        } else {
            echo "Request failed for $url with HTTP code: $httpCode\n";
        }

        // Add a small delay between requests
        usleep(100000); // 100ms delay
    }

    return [
        'min' => min($times),
        'max' => max($times),
        'avg' => array_sum($times) / count($times),
        'samples' => count($times)
    ];
}

$apps = [
    'app1' => [
        'url' => 'https://www.kautionskasse.de/form-api/healthcheck',
        'description' => 'production PHP 7.4 [opcache.enabled=1]'
    ],
    'app2' => [
        'url' => 'https://staging4.kautionskasse.de/form-api/healthcheck',
        'description' => 'staging PHP 8.2 [opcache.enabled=0]'
    ]
];

foreach ($apps as $key => $app) {
    echo "Testing {$app['description']}...\n";
    $results = testEndpoint($app['url']);
    $apps[$key]['results'] = $results;
}

// Print results
echo "\nResults:\n";
echo str_repeat("-", 50) . "\n";
echo sprintf("%-40s %-10s %-10s %-10s %-10s\n", "App", "Min (ms)", "Max (ms)", "Avg (ms)", "Samples");
echo str_repeat("-", 50) . "\n";

foreach ($apps as $key => $app) {
    echo sprintf("%-40s %-10.2f %-10.2f %-10.2f %-10d\n",
        $app['description'],
        $app['results']['min'],
        $app['results']['max'],
        $app['results']['avg'],
        $app['results']['samples']
    );
}