Question

我需要在生成的字符串中添加某种匹配计数，但我不知道如何。有没有办法为数组添加一些计数？

我有以下代码（数据库查询在while之前执行）：

while (!$products->EOF) {
      $purchasedArray[] = array('products_model'=>$products->fields['products_model'],
                                'products_name'=>$products->fields['products_name'],
                                'final_price'=>$products->fields['final_price'],
                                'products_quantity'=>$products->fields['products_quantity']);
      $products->MoveNext();
}
foreach ($purchasedArray as $purchased) {
    $formattedProductname[] = $purchased['products_name'];
    $formattedPrice[] = $purchased['final_price'];
    $formattedUnits[] = $purchased['products_quantity'];
}
$listFinal = implode('|', $formattedProductname);

现在，这一切都很棒并且工作正常，但我需要以下输出：

product1=cookie|10.00|2&product2=paper|5.00|17&product3=...

我正在搜索和搜索，但似乎无法找到有关如何添加该计数的任何信息（产品* 1 *，产品* 2 * ...）我可以（可能）看起来像这样：

foreach ($purchasedArray as $purchased) {
    $formattedProducts[] = 'product'.**$position** . '=' . $purchased['products_name'] . '|' . $purchased['final_price'] . '|' . $purchased['products_quantity'];
    $formattedProductname[] = $purchased['products_name'];
    $formattedPrice[] = $purchased['final_price'];
    $formattedUnits[] = $purchased['products_quantity'];
}

$listFinal = implode('&', $formattedProducts);
$listFinalProducts = implode('|', $formattedProductname);

但我完全不知道如何获得$position部分......我们非常感谢任何帮助。

Answer 1

你可以通过数组的键来实现：

foreach ($purchasedArray as $key=>$purchased) {
    $formattedProducts[] = 'product'. $key . '=' . $purchased['products_name'] . '|' .  $purchased['final_price'] . '|' . $purchased['products_quantity'];
    $formattedProductname[] = $purchased['products_name'];
    $formattedPrice[] = $purchased['final_price'];
    $formattedUnits[] = $purchased['products_quantity'];
}

或者您可以通过添加计数来实现：

    $count = 0;
    foreach ($purchasedArray as $purchased) {
        $count++;
        $formattedProducts[] = 'product'. $count . '=' . $purchased['products_name'] . '|' .  $purchased['final_price'] . '|' . $purchased['products_quantity'];
        $formattedProductname[] = $purchased['products_name'];
        $formattedPrice[] = $purchased['final_price'];
        $formattedUnits[] = $purchased['products_quantity'];
    }

Answer 2

$idx=1;
foreach ($purchasedArray as $purchased) {
    //$formattedProducts[] = 'product'.**$position** . '=' . $purchased['products_name'] . '|' . $purchased['final_price'] . '|' . $purchased['products_quantity'];
    $formattedProducts[] = 'product'.$idx. '=' . $purchased['products_name'] . '|' . $purchased['final_price'] . '|' . $purchased['products_quantity'];
    $idx++;
    $formattedProductname[] = $purchased['products_name'];
    $formattedPrice[] = $purchased['final_price'];
    $formattedUnits[] = $purchased['products_quantity'];
}

获取数组中值的数值

2 个答案: