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run code in 300+ PHP versions simultaneously
<?php class A { public static function test(): string { return static::class; } } class B extends A { } var_dump(B::test());
Output for 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(1) "B"

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113.13 ms | 1343 KiB | 4 Q