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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; $var = call_user_func_array("array_column", array_merge($arr, $keys)); print_r($var); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: array_column() expects at most 3 arguments, 4 given in /in/vHDRO:14 Stack trace: #0 /in/vHDRO(14): array_column(Array, Array, 'firstname', 'lastname') #1 {main} thrown in /in/vHDRO on line 14
Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_column() expects at most 3 parameters, 4 given in /in/vHDRO on line 14
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'array_column' not found or invalid function name in /in/vHDRO on line 14
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'array_column' was given in /in/vHDRO on line 14
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: call_user_func_array(): First argumented is expected to be a valid callback, 'array_column' was given in /in/vHDRO on line 14
Output for 4.3.0 - 4.3.1
Warning: call_user_func_array() [http://www.php.net/function.call-user-func-array]: First argumented is expected to be a valid callback, 'array_column' was given in /in/vHDRO on line 14
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