function report($name, $time)
{
static $last = null;
printf("%-12s: %.8fms", $name, $time);
if (null !== $last) {
printf(", %.1f%%", ($time - $last) / $last * 100);
}
echo PHP_EOL;
$last = $time;
}
// fixtures
$a = str_repeat('a', 2 << 8);
class O
{
public function strcmp($a)
{
strcmp($a, $a);
}
}
// do it
report('direct call', clock(function () use($a) {
strcmp($a, $a);
}));
report('object call', clock(function () use($a) {
$o = new O();
$o->strcmp($a);
}));
report('voodoo call', clock(function () use($a) {
$o = unserialize('O:1:"O":0:{}');
$o->strcmp($a);
}));