PHP错误Notice: Undefined index解决方法
我把error_reporting设成 E_ALL了.
在读数据时 如$row['name']时
会出现很多Notice: Undefined index: 错误,
应该怎么办? error_reporting(E_ALL & ~ E_NOTICE ) 这样吗?
Undefined index:是指你代码里存在：“变量还未定义、赋值就使用”错误，这个不是致命错误，不会让你php代码运行强行中止，但是有潜在出问题危险，因此建议修改~~~~
notice内容都是这类不很影响使用非致命问题
用E_ALL & ~ E_NOTICE可以关闭notice显示，不过，建议还是改代码更好一点：)
代码总是写规范一点好，将来可以少出问题啊：)
开开这个notice显示，对于调错误也很有帮助~~~~
如果你$row是通过 $row = mysql_fetch_array($result)来的，
而echo $row['name']的时候又出现了Notice: Undefined index: 的问题，那么就有可能是：
1, SQL语句有错，没有读出name这个字段里的值，
2. SQL语句执行失败，什么值都没读出来
3. SQL即没错也没失败，但是没有查询到符合条件的纪录，自然也就没有$row['name']
4. 其他
notice一般提示关于与执行代码没有直接关系的错误，但不要忘记，notice有时会返回一些多余的错误信息
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