3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public $myVar; public function myMethod() { } } $instance = new MyClass(); $instance->myVar = "Hello World"; // Assign "Hello World" to "myVar" $instance->myMethod(); // Run "myMethod()" echo $myVar; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $myVar in /in/KO9hL on line 15
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: myVar in /in/KO9hL on line 15
Output for 7.3.32 - 7.3.33

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203.33 ms | 401 KiB | 310 Q