如何使用php脚本导出和导入mysql数据库及其数据?
问题描述：
有人要求我使用php脚本而不是phpmyadmin创建一个具有结构和数据的mysql数据库，并将其结构和数据导入.sql文件中，以使用户能够备份其数据?
I was asked to create an export and import mysql database with it's structure and data into a .sql file using php scripting and not phpmyadmin to make the user be able to backup his data?
有人知道怎么做吗?
预先感谢
答
$tableName = 'mypet';
$backupFile = 'backup/mypet.sql';
$query = "SELECT * INTO OUTFILE '$backupFile' FROM $tableName";
$result = mysql_query($query);
或
$backupFile = $dbname . date("Y-m-d-H-i-s") . '.gz';
$command = "mysqldump --opt -h $dbhost -u $dbuser -p $dbpass $dbname | gzip > $backupFile";
system($command);