foreach中的未定义变量[关闭]

Question

I can not figure out why this is happening the following is my code. I am suspecting it has something to do with scope however I can var_dump $items just fine.

<?php
/*
* Setup the API scripts.
*/
require (dirname(__FILE__).'/vesu/SDK/Gw2/Gw2SDK.php');
require (dirname(__FILE__) .'/vesu/SDK/Gw2/Gw2Exception.php');

use \vesu\SDK\Gw2\Gw2SDK;
use \vesu\SDK\Gw2\Gw2Exception;
// Request a new instance of the API
$gw2 = new Gw2SDK(dirname(__FILE__).'/cache/items/', 604800);

// End of code header
function refreshCache($gw2){
    $i=0;
    $items = $gw2->getItems();
    #var_dump($items);
    foreach($items as $itemId){
        var_dump($itemsId);
        $item = $gw2->queryItemDetails($itemId);
        var_dump($item);
        $itemName = $item->name;
        echo "writing " . $itemId . "," . $itemName . "to the cache";
        $i++;
    }
    echo "Added " . $i . " Items to the cache.";
}
refreshCache($gw2);
?>

Answer 1

You are calling var_dump($itemsId);.

Your foreach loop is $itemId (no s at the end!)

EDIT: sorry, didn't see it was answered!