Question

我可能有一些愚蠢的问题。

这是我的代码：

            $customers = Mage::getModel('customer/customer')
                        ->getCollection()
                        ->addAttributeToSelect('*')
                        ->addFieldToFilter('group_id', $groupId);

            $LimitLoop = 50;            

            foreach($customers as $customer)
            {
                $email=$customer->getEmail();
                $CustomerPhone = $customer->getPrimaryBillingAddress()->getTelephone();
                $CustomerName = $customer->getName();
                $CustomerEmail = $customer->getEmail();

                if($EnableSMSNotification==1 && $smstext!="") {

                $api = new TextMagicAPI(array(
                        "username" => $TextMagicUsername, 
                        "password" => $TextMagicPassword
                    ));

                    // Use this number for testing purposes. This is absolutely free.

                $phones = array($CustomerPhone);

                    $results = $api->send($smstext, $phones, true);
                    $write = Mage::getSingleton('core/resource')->getConnection('core_write');
                    $sql_insert = "insert into VivasIndustries_SmsHistory values ('','$CustomerName','$CustomerPhone','$CustomerEmail','$smstext',NOW())";
                    $write->query($sql_insert);



                }   




            }

这是一个简单的foreach loop。如何将其限制为$LimitLoop中指出的值？

如何在此循环中仅获取有限数量的结果？

提前致谢！

Answer 1

如果使用$ awk -F'\t' '$3!="oil"{$0 = $1 FS $2 " " $3 FS $4} 1' file 12345 jones, michael madison 0101-10101-2 12345 water oil 0101-10101-2 12346 jones, mike mason 0101-10101-3 12347 jones, nick norris 0101-10101-4循环是不可能的，那么您需要手动添加递增计数器以执行相同的逻辑。像这样：

for

Answer 2

如果您使用类似

的内容，可以从其他示例中保存变量$ i

$LimitLoop = 50;

foreach ($customers as $customer) {
  /* your code to run */
  /* ..... */


  /* at the bottom */
  $LimitLoop--;
  if ($LimitLoop===0) {
    break;
  }

}

Answer 3

这很简单：

$customers = Mage::getModel('customer/customer')
            ->getCollection()
            ->addAttributeToSelect('*')
            ->addFieldToFilter('group_id', $groupId);

$LimitLoop = 50;  

$counter = 0; //Add a means of counting how many times it's been through the loop

foreach($customers as $customer)
{

    $email=$customer->getEmail();
    $CustomerPhone = $customer->getPrimaryBillingAddress()->getTelephone();
    $CustomerName = $customer->getName();
    $CustomerEmail = $customer->getEmail();

    if($EnableSMSNotification==1 && $smstext!="") {

    $api = new TextMagicAPI(array(
            "username" => $TextMagicUsername, 
            "password" => $TextMagicPassword
        ));

        // Use this number for testing purposes. This is absolutely free.

    $phones = array($CustomerPhone);

        $results = $api->send($smstext, $phones, true);
        $write = Mage::getSingleton('core/resource')->getConnection('core_write');
        $sql_insert = "insert into VivasIndustries_SmsHistory values ('','$CustomerName','$CustomerPhone','$CustomerEmail','$smstext',NOW())";
        $write->query($sql_insert);



    }   

    $counter++; //Increment the counter
    if($counter >= $LimitLoop) break; //Break the loop if we have enough results

}

Answer 4

您要么使用break语句，要么使用最多for的{{1}}循环。

for循环（我使用array_keys函数，$LimitLoop可能是一个关联数组或缺少数字键等。索引键数组（将有数字排序）然后保证我们总是得到下一个关键）：

$customers

注意：您还必须插入一些逻辑来检查您是否有50个客户使用上述循环，否则它将开始抛出有关访问阵列中无效偏移的警告。

符：

$keys = array_keys($customers);
for ($i = 0; $i < $LimitLoop; $i++) {
    $customer = $customers[$keys[$i]];
    // the rest of your code
}

PHP - 如何限制foreach循环？

4 个答案: