- microtime: documentation ( source)
- range: documentation ( source)
- printf: documentation ( source)
<?php
$start = microtime(true);
foreach (range(0, 10000) as $i) {
}
printf ('%.2f'.PHP_EOL, microtime(true) - $start);
$start = microtime(true);
for ($i = 0; $i < 10000; $i++) {
}
printf ('%.2f'.PHP_EOL, microtime(true) - $start);