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run code in 300+ PHP versions simultaneously
<?php class Test { function sayHello() { return 'Hello, ' . $this->val . '!'; } } $c = new Test; $c->val = 'Mr. Duck'; var_dump($c->sayHello(), get_parent_class($c));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property Test::$val is deprecated in /in/It1oG on line 12 string(16) "Hello, Mr. Duck!" bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
string(16) "Hello, Mr. Duck!" bool(false)

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