3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $test = 'foo'; public function __toString() { $this->test = 'bar'; return ''; } } $a = new A(); var_dump($a === ''); var_dump($a->test);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
bool(false) string(3) "foo"

preferences:
75.02 ms | 406 KiB | 5 Q