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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
// change the amount of iterations
function benchmark($callback, $iterations = 100000) {
$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
$callback();
}
return microtime(true) - $start;
}
$array1 = range(1, 50);
$array2 = range(51, 100);
// Spread operator
$spreadTime = benchmark(function () use ($array1, $array2) {
$result = [...$array1, ...$array2];
});
// array_merge
$mergeTime = benchmark(function () use ($array1, $array2) {
$result = array_merge($array1, $array2);
});
echo "Spread operator: {$spreadTime} seconds\n";
echo "array_merge: {$mergeTime} seconds\n";
$diff = abs($spreadTime - $mergeTime);
$percentage = ($diff / min($spreadTime, $mergeTime)) * 100;
if ($spreadTime > $mergeTime) {
echo "array_merge was faster by {$percentage}%\n";
} else {
echo "Spread operator was faster by {$percentage}%\n";
}