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如何将来自MySQL查询的最大ID存储到php变量中?

[英]How to store max id from mysql query into a php variable?

This isn't working for me: 这对我不起作用:

$query = mysql_query(" SELECT max(id) FROM chat_records ");
while ($row = mysql_fetch_assoc($query)) {
    echo $row['id'];
}

How can I get it to work? 我如何使它工作?

将查询更改为此:

SELECT max(id) AS id FROM chat_records

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