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<?php $input = array("a" => "green", "red", "b" => "green", "blue", "red"); $result = asort($arr); print_r($result); $result = array_unique($input); print_r($result);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: asort(): Argument #1 ($array) must be of type array, null given in /in/MNHav:3 Stack trace: #0 /in/MNHav(3): asort(NULL) #1 {main} thrown in /in/MNHav on line 3
Process exited with code 255.
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 - 7.0.32, 7.1.0 - 7.1.24, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: asort() expects parameter 1 to be array, null given in /in/MNHav on line 3 Array ( [a] => green [0] => red [1] => blue )

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