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<?php $a = array( 'uid' => 2, 'firstname' => 'Test' ); $b = array( 'uid' => 2, 'firstname' => 'Test' ); var_dump(array_unique($a,$b));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: array_unique(): Argument #2 ($flags) must be of type int, array given in /in/XoOMc:11 Stack trace: #0 /in/XoOMc(11): array_unique(Array, Array) #1 {main} thrown in /in/XoOMc on line 11
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_unique() expects parameter 2 to be int, array given in /in/XoOMc on line 11 NULL
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
Warning: array_unique() expects parameter 2 to be integer, array given in /in/XoOMc on line 11 NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: array_unique() expects parameter 2 to be long, array given in /in/XoOMc on line 11 NULL

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