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<?php $array = array(0 => 100, "color" => "red"); $keys = array_keys($array[0]); foreach($keys as $key => $value) { echo $value ; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, int given in /in/43Z9G:4 Stack trace: #0 /in/43Z9G(4): array_keys(100) #1 {main} thrown in /in/43Z9G on line 4
Process exited with code 255.

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