3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public function test() { static $v = []; $v[] = 'x'; } } $r = new \ReflectionMethod(A::class, 'test'); print_r($r->getStaticVariables()); $a = new A(); $a->test(); print_r($r->getStaticVariables()); $a->test(); print_r($r->getStaticVariables()); $r->getStaticVariables()['v'][0] = ['replace_first_x']; print_r($r->getStaticVariables()); $a->test(); print_r($r->getStaticVariables());
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Array ( [v] => Array ( ) ) Array ( [v] => Array ( [0] => x ) ) Array ( [v] => Array ( [0] => x [1] => x ) ) Array ( [v] => Array ( [0] => x [1] => x ) ) Array ( [v] => Array ( [0] => x [1] => x [2] => x ) )
preferences:
28.65 ms | 1138 KiB | 7 Q