自己写的库文件总出现Message: Undefined offset: 1

movados

<?php
  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class CI_addlib{

       
       
        function power_value($name,$power)
        {
                $power_chip = explode($name,$power);
                $power_chip = explode(';',$power_chip[1]);
                $power_chip = explode(':',$power_chip[0]);
                $power_chip = $power_chip[1];
                return $power_chip;
        }
       

       
       
}

?>

movados

调用后总出现这样的提示
A PHP Error was encountered
Severity: Notice

Message: Undefined offset: 1

Filename: libraries/Addlib.php

Line Number: 10

A PHP Error was encountered
Severity: Notice

Message: Undefined offset: 1

Filename: libraries/Addlib.php

Line Number: 12

jeongee

下表越界了啊

visvoy

power里面没有name，只拆出了1个数组单元