<?php
$a = 10;
$b = 20;
$c = 30;
function tick_handler(){
global $a, $b, $c;
printf("%d, %d, %d\n", $a, $b, $c); }
//registrei a função no tick
declare(ticks=1){
$a++;
$b++;
$c++;
}
PD9waHAKCiRhID0gMTA7CiRiID0gMjA7CiRjID0gMzA7CgpmdW5jdGlvbiB0aWNrX2hhbmRsZXIoKXsKCWdsb2JhbCAkYSwgJGIsICRjOwogICAgcHJpbnRmKCIlZCwgJWQsICVkXG4iLCAkYSwgJGIsICRjKTsKfQpyZWdpc3Rlcl90aWNrX2Z1bmN0aW9uKCd0aWNrX2hhbmRsZXInKTsKLy9yZWdpc3RyZWkgYSBmdW7Dp8OjbyBubyB0aWNrCgpkZWNsYXJlKHRpY2tzPTEpewogICAkYSsrOwogICAkYisrOwogICAkYysrOwp9
11, 20, 30
11, 21, 30
11, 21, 31
11, 21, 31