遇到PHP错误
严重性:通知
消息:未定义的索引:elements_id
文件名:views/showdetail.php
行号:17
请帮帮我!服务器openshift上出现错误,但在localhost上运行没有错误。如何修复?
对每个变量执行此操作
$elements_id=isset($row['elements_id'])?$row['elements_id']):'';
您正在尝试使用数组的索引值,而不首先检查是否设置了
<?php
print_r($dataelements);
foreach ($dataelements as $row) {
$elements_id =$row['elements_id'];
$elements_number = $row['elements_number'];
$elements_name = $row['elements_name'];
$elements_principle = $row['elements_principle'];
$elements_standard = $row['elements_standard'];
$elements_indicator = $row['elements_indicator'];
}
?>