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<?php $arr = array( array( 'firstname' => 'Bob', 'lastname' => 'Tomato' ), array( 'firstname' => 'Larry', 'lastname' => 'Cucumber' ) ); $keys = array_keys($arr[0]); // get all keys; var_dump(array_merge(array($arr), $keys)); $var = call_user_func_array("array_column", array_merge($arr, $keys)); print_r($var); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(2) { [0]=> array(2) { ["firstname"]=> string(3) "Bob" ["lastname"]=> string(6) "Tomato" } [1]=> array(2) { ["firstname"]=> string(5) "Larry" ["lastname"]=> string(8) "Cucumber" } } [1]=> string(9) "firstname" [2]=> string(8) "lastname" } Fatal error: Uncaught ArgumentCountError: array_column() expects at most 3 arguments, 4 given in /in/lJS3S:16 Stack trace: #0 /in/lJS3S(16): array_column(Array, Array, 'firstname', 'lastname') #1 {main} thrown in /in/lJS3S on line 16
Process exited with code 255.

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