3v4l.org

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Output for 7.4.0 - 7.4.33, 8.0.1 - 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 ( 'a' => 1, 'b' => 4, ), 1 => array ( 'a' => 2, 'b' => 5, ), 2 => array ( 'a' => 3, 'b' => 6, ), )

preferences:
130.21 ms | 411 KiB | 5 Q