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run code in 300+ PHP versions simultaneously
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Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
array ( 0 => array ( 0 => 'a', 1 => 'b', ), 1 => array ( 0 => 'c', 1 => 'd', ), 2 => array ( 0 => 'e', 1 => 'f', ), 3 => array ( 0 => 'g', 1 => 'h', ), 4 => array ( 0 => 'i', 1 => 'j', ), 5 => array ( 0 => 'k', 1 => 'l', ), 6 => array ( 0 => 'm', ), 7 => array ( 0 => 'n', ), 8 => array ( 0 => 'o', ), 9 => array ( 0 => 'p', ), 10 => array ( 0 => 'q', ), 11 => array ( 0 => 'r', ), )

preferences:
170.68 ms | 416 KiB | 5 Q