<?php
$cases = array(false, 0, 1, 2, 3, 4, 5, true, null);
$ln = 100000;
$s = microtime(true);
for ($i = 0; $i < $ln; $i++) {
$result = array();
foreach ($cases as $c) {
$result[] = !!$c;
}
}
var_dump('time : ' . (microtime(true) - $s) . ' for ' . $ln . ' times !!$c on each case, result:', $result);
$s = microtime(true);
for ($i = 0; $i < $ln; $i++) {
$result = array();
foreach ($cases as $c) {
$result[] = (bool)$c;
}
}
var_dump('time : ' . (microtime(true) - $s) . ' for ' . $ln . ' times (bool)$c on each case, result:', $result);
preferences:
33.8 ms | 402 KiB | 5 Q