Untitled

Function to merge 'infinite' number of arrays
function mergeAllArrays() {
    $numargs = func_num_args();
    $arg_list = func_get_args();
    $a = array();
    for ($i = 0; $i < $numargs; $i++) {
        array_merge($a, $arg_list[$i]);
    }
    print_r($a);

mergeAllArrays($array1,$array2,$array3)

// mergeAllArrays takes an open number of arrays and merges them into one large array.
function mergeAllArrays() {
  $numargs = func_num_args();
  $arg_list = func_get_args();
  $a = array();
  for ($i = 0; $i < $numargs; $i++) {
    $a = array_merge($a, $arg_list[$i]);
  }
  print_r($a);
}

mergeAllArrays($array1,$array2,$array3);

function mergeAllArrays() {
    $numargs = func_num_args();
    $arg_list = func_get_args();

    $a = array();
    for ($i = 0; $i < $numargs; $i++) {
        $a = array_merge($a, $arg_list[$i]);
    }
    var_dump($a);
}

mergeAllArrays($array1,$array2,$array3);