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run code in 300+ PHP versions simultaneously
<?php class x { public $i; public $d = []; public function __set($k,$v) { echo 'SET'; $this->d[$k] = $v; } public function __get($k) { echo 'GET'; return $this->d[$k]; } } $x = new x; $x->test++; $x->i++; var_dump($x);

preferences:
38.53 ms | 402 KiB | 5 Q