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 ( '0:1' => '0', '1:0' => '', '0:0' => '', '1:1' => '1', ) --- array ( 'udiff' => array ( 'four' => 1, ), 'uintersect' => array ( 'one' => 0, 'two' => 1, 'three' => 0, ), )

preferences:
145.02 ms | 412 KiB | 5 Q