Online PHP editor | refs for Cb5jH

<?php declare(ticks=1); function tick() { global $ticks; if ($ticks) { if ($ticks[0][0] > 1) { $ticks[0][0]--; } else { $tick = array_shift($ticks); $tick[1](); } } } register_tick_function('tick'); class A { protected $b = ['d' => 321]; function & __get($name) { $current = $this->{$name}; echo "And now, __get is running...\n"; $GLOBALS['ticks'][] = [2, function () use ($current, $name) { if ($current !== $this->{$name}) { echo "Array WAS changed!!!\n"; } else { echo "Array not changed.\n"; } }]; return $this->{$name}; } } eval(' $a = new A(); $a->b["c"] = 123; var_dump($a->b); ');