- microtime: documentation ( source)
- number_format: documentation ( source)
<?php
function starttime() {
return microtime(true);
}
function duration($starttime) {
$endtime = microtime(true);
return number_format($endtime - $starttime, 10);
}
$starttime = starttime();
$arr = array();
echo duration($starttime) . PHP_EOL;
$starttime2 = starttime();
$arr2 = [];
echo duration($starttime2) . PHP_EOL;