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<?php $gender = ''; $array = array(); array_filter($array[$gender] = ucwords($gender)); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/ArJgb:6 Stack trace: #0 /in/ArJgb(6): array_filter('') #1 {main} thrown in /in/ArJgb on line 6
Process exited with code 255.

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