native-function-benckmark-array-map.php

<?php

$numbers = range(0, 1_000_000);
$test_times = 1_000;

$without_results = [];
$with_results = [];

// Job
function cube($number) {
    return ($number * $number * $number);
}

// Without natives
for ($i = 0; $i < $test_times; $i++) {
    $start = microtime(true);

    $cubes = [];

    foreach($numbers as $number) {
        $cubes[] = cube($number);
    }
    
    $without_results[] = round((microtime(true) - $start) * 1000);

    unset($cubes);
}

// With natives
for ($i = 0; $i < $test_times; $i++) {
    $start = microtime(true);

    $cubes = array_map('cube', $numbers);
    
    $with_results[] = round((microtime(true) - $start) * 1000);

    unset($cubes);
}


echo '## Without natives' . PHP_EOL;
echo 'Max: ' . max($without_results) . 'ms' . PHP_EOL;
echo 'Min: ' . min($without_results) . 'ms' . PHP_EOL;
echo 'Avg: ' . (array_sum($without_results) / count($without_results)) . 'ms' . PHP_EOL . PHP_EOL;

echo '## With natives' . PHP_EOL;
echo 'Max: ' . max($with_results) . 'ms' . PHP_EOL;
echo 'Min: ' . min($with_results) . 'ms' . PHP_EOL;
echo 'Avg: ' . (array_sum($with_results) / count($with_results)) . 'ms' . PHP_EOL;