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run code in 300+ PHP versions simultaneously
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Output for 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
array ( 0 => array ( 'REG1' => 94, ), 1 => array ( 'REG2' => '', ), 2 => array ( 'REG3' => 45, ), 3 => array ( 'REG4' => '', ), )

preferences:
55.3 ms | 411 KiB | 5 Q