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<?php $names = array( 'device' => 'Phones', 'tablet' => 'Tablets', 'smartwatch' => 'Smartwatch', 'speaker' => 'Speaker', 'headphones' => 'Headphones', 'wearable' => 'Wearable', ); var_dump(array_map(strtoupper, array_values($names)));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "strtoupper" in /in/EutMi:12 Stack trace: #0 {main} thrown in /in/EutMi on line 12
Process exited with code 255.

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