在php中组合数组[关闭]

I have array

array
  0 => 
    array
      2 => int 50000
  1 => 
    array
      2 => int 30000
  2 => 
    array
      1 => int 25000
  3 => 
    array
      1 => int 20000
  4 => 
    array
      1 => int 10000

I need to create array the result is:

array
  2 => int 50000
  2 => int 30000
  1 => int 25000
  1 => int 20000
  1 => int 10000

Thank for all. sorry, my english very bad :(

This does what you want (without preserving children keys, since you cannot have multiple elements with the same key):

$flat_array = array_map('current', $array);

Try here: http://codepad.org/1h7mKbqe

PHP doesn't allow arrays to have the same keys. This will show how php will handle a foreach loop wich is rewriting the array into a new one with desired key and value

$array = array(
  0 => 
    array(
      2 => 50000),
  1 => 
    array(
      2 => 30000),
  2 => 
    array(
      1 => 25000),
  3 => 
    array(
      1 => 20000),
  4 => 
    array(
      1 => 10000)
);

$new_array = array();
foreach($array as $data)
{
    foreach($data as $key => $val)
    {
        $new_array[$key] = $val;
    }
}
var_dump($new_array);

This will output

array(2) {
  [2]=>
  int(30000)
  [1]=>
  int(10000)
}

Live Sample

As you can see keys are overwritten on each loop becuase they are identical and so are values, i think you can use the above function to have a one level array removing keys from $new_array

foreach($data as $key => $val)
{
    $new_array[] = $val;
}

Live Sample