3v4l.org

run code in 300+ PHP versions simultaneously
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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 ( 'a:ba' => 0, 'ba:a' => 1, 'a:a' => 0, 'ba:ba' => 0, ) --- array ( 'udiff' => array ( 'two' => 'ba', ), 'uintersect' => array ( 'one' => 'a', 'three' => 'a', 'four' => 'ba', ), )

preferences:
97.6 ms | 412 KiB | 5 Q