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run code in 300+ PHP versions simultaneously
<?php class Something { public $nothing; public function hasThingie() { return $this->nothing === null; } public function setThingie() { $this->nothing = 'thingy'; } } $thing = new Something; var_dump($this->hasThingie()); $this->setThingie(); var_dump($this->hasThingie());

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43.38 ms | 402 KiB | 5 Q