php mysql operation mysql_connect connects to the database

PHP must first connect to the specified database to operate the database. You can use the PHP mysql_connect function to connect to the database. This article introduces how to use the mysql_connect function and examples. Friends who need it can refer to it

Introduction to mysql_connect

php mysql_connect is used to connect to the mysql server. This function has multiple parameters, but we generally only need to understand the following three parameters:

mysql_connect(server,user,pwd)

Parameter introduction:

• server -- mysql server address

• user -- server user name

• pwd -- Server login password
  

If the connection is successful, a MySQL connection ID will be returned. If the connection fails, FALSE will be returned.

mysql_connect instance

 <?php
 $host="mysql153.secureserver.net";
 $uname="root";
 $pass="password";
 
 $connection= mysql_connect ($host, $uname, $pass);
 if (! $connection) {
  die ("mysql服务器连接失败");
 } else {
  echo "恭喜你！mysql服务器连接成功";
 }
 ?>

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