Controleren of value voorkomt in multidimensionale array

array(0) {
  ["Album 1"]=>
  array(2) {
    [0]=>
    string(12) "DSC0001.JPG"
    [1]=>
    string(12) "DSC0002.JPG"
    [2]=>
    string(12) "DSC0003.JPG"
    }
}

array(0) {
  ["Album 1"]=>
  array(2) {
    [0]=>
    string(12) "DSC0001.JPG"
    [1]=>
    string(12) "DSC0002.JPG"
    [2]=>
    string(12) "DSC0003.JPG"
    }
}

foreach($array1 as $key=>$value){
  // $value is nu je 2e array, dus om daar in te komen:
  foreach($value as $key1 =>$value1){
    // value1 is nu bv "DSC0001.JPG"
    if($value1==$zoekwoord){
      return "gevonden";
      }
    }
  }

foreach($array1 as $key=>$value){
  // $value is nu je 2e array, dus om daar in te komen:
  foreach($value as $key1 =>$value1){
    // value1 is nu bv "DSC0001.JPG"
    if($value1==$zoekwoord){
      return "gevonden";
      }
    }
  }