- microtime: documentation ( source)
- mt_rand: documentation ( source)
- rand: documentation ( source)
- printf: documentation ( source)
<?php
$start = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
rand();
}
$end = microtime(true) - $start;
printf("%0.6F\n", $end);
$start = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
mt_rand();
}
$end = microtime(true) - $start;
printf("%0.6F\n", $end);