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run code in 300+ PHP versions simultaneously
<?php class a { function __invoke() { echo("Invoked\n"); } } class b { private a $a; function doStuff() { $this->a = new a(); ($this->a)(); } } $b = new b(); $b->doStuff();
Output for 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
Invoked

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50.57 ms | 974 KiB | 4 Q