3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Base { protected static $var = 1; public function foo() { echo static::$var; } } class Extended extends Base { protected static $var = 2; } $a = new Base(); $b = new Extended(); $a->foo(); echo "\n"; $b->foo();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 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
1 2

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24.92 ms | 1137 KiB | 7 Q