foreach php邏輯問題

Question

我在購物車db中有4條記錄。我得到了結果：4444.我如何將結果改爲1234？

查看：

$i = 0; 
foreach($carts AS $cart) { 
    $x = $i+1; 
    echo $x; 
} 

控制器：

function confirm() { 
    $orders = $this->data; 
    $sessionId = $this->passedArgs['ct_session_id']; 
    $this->set('data', $sessionId); 
    $carts = $this->Cart->find(
     'all', 
     array('conditions' => array('Cart.ct_session_id' => $sessionId), 'recursive' => 1) 
    ); 
    $this->set(compact('carts', 'orders'));   
} 

Answer 1

我想你想在每次執行該指令時$遞增我，所以你必須寫： $x = ++$i;

Answer 2

<?php 
$i = 0; 
foreach($carts as $cart) { 
    $i++; 
    echo $i; 
} 
?> 

Answer 3

<?php 
$count = count($carts); 
for($i=0; $i<$count; $i++) 
{ 
    echo $i."</br>"; 
} 

?>