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<?php $person = ['a', 'b', 'c']; $names = array_map( function($person) { return $person[0]; }, $user_meta );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $user_meta in /in/QaNZR on line 5 Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given in /in/QaNZR:3 Stack trace: #0 /in/QaNZR(3): array_map(Object(Closure), NULL) #1 {main} thrown in /in/QaNZR on line 3
Process exited with code 255.

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