什么是最有效的方式来合并几个php数组？

Question

我从表单字段提交多个阵列看起来像这样

[budget_type_id] => Array 
    (
     [0] => 1 
     [1] => 2 
     [2] => 2 
     [3] => 5 
    ) 

[budget_f1] => Array 
    (
     [0] => 100 
     [1] => 200 
     [2] => 300 
     [3] => 400 
    ) 

[budget_f2] => Array 
    (
     [0] => 100 
     [1] => 200 
     [2] => 300 
     [3] => 400 
    ) 

我需要合并这些数据看起来像这样

[arr1] => Array 
    (
     [budget_type_id] => 1 
     [budget_f1] => 100 
     [budget_f2] => 100 
    ) 
[arr2] => Array 
    (
     [budget_type_id] => 2 
     [budget_f1] => 200 
     [budget_f2] => 200 
    ) 

[arr3] => Array 
    (
     [budget_type_id] => 2 
     [budget_f1] => 300 
     [budget_f2] => 300 
    ) 
[arr4] => Array 
    (
     [budget_type_id] => 5 
     [budget_f1] => 400 
     [budget_f2] => 400 
    ) 

什么是合并这些数据最快/最有效的方法？

UPDATE 我需要略作修改：

$contractBudgets = array(); 

for($i = 0 ; $i < count($formfields['budget_type_id']) ; $i++){ 

    $newBudget = $this->modx->newObject('ContractBudget'); 

    $newBudget->set('budget_type_id',$formfields['budget_type_id'][$i]);  
    $newBudget->set('budget_f1',$formfields['budget_f1'][$i]); 
    $newBudget->set('budget_f2',$formfields['budget_f2'][$i]); 

    $contractBudgets[] = $newBudget; 
} 

$newContract->addMany($contractBudgets); 

Answer 1

$merged = array(); 
for($i = 0 ; $i < count($budget_type_id) ; $i++){ 
    $merged[] = array(
     'budget_type_id'=>$budget_type_id[$i], 
     'budget_f1' => $budget_f1[$i], 
     'budget_f2' => $budget_f2[$i] 
    ); 
} 

Answer 2

也许使用声压级MultipleIterator

$budget_type_id = array(1, 2, 2, 5,); 
$budget_f1 = array(100, 200, 300, 400,); 
$budget_f2 = array(100, 200, 300, 400,); 

$mi = new MultipleIterator(multipleIterator::MIT_KEYS_ASSOC); 
$mi->attachIterator(new ArrayIterator($budget_type_id), 'budget_type_id'); 
$mi->attachIterator(new ArrayIterator($budget_f1), 'budget_f1'); 
$mi->attachIterator(new ArrayIterator($budget_f2), 'budget_f2'); 

$newArray = array(); 
foreach($mi as $details) { 
    $newArray[] = $details; 
} 

var_dump($newArray);