- microtime: documentation ( source)
<?php
for ($i = 0, $t = -microtime(TRUE); $i < 10000; $i++) {
$foo = create_function('stdClass $a, $b = 1', '');
}
echo $t + microtime(TRUE), PHP_EOL;
for ($i = 0, $t = -microtime(TRUE); $i < 10000; $i++) {
$foo = NULL;
eval('$foo = function (stdClass $a, $b = 1) {};');
}
echo $t + microtime(TRUE);