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이 문서에서는 PHP 중국어 웹사이트 매뉴얼 풀어 주다
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::connect — Open a new connection to the MySQL server
$connection
, string $host
, string $use"
, string $password
, string $database
, int $port
, string $socket
, int $mysql_flags
)Open a new connection to the MySQL server.
connection
Mysqlnd connection handle. Do not modify!
host
Can be either a host name or an IP address. Passing the NULL value or the string "localhost" to this parameter, the local host is assumed. When possible, pipes will be used instead of the TCP/IP protocol.
user
The MySQL user name.
password
If not provided or NULL
,
the MySQL server will attempt to authenticate
the user against those user records which have no password only.
This allows one username to be used with different permissions
(depending on if a password as provided or not).
database
If provided will specify the default database to be used when performing queries.
port
Specifies the port number to attempt to connect to the MySQL server.
socket
Specifies the socket or named pipe that should be used.
If NULL
, mysqlnd will default to
/tmp/mysql.sock.
mysql_flags
Connection options.
Returns TRUE
on success.
Otherwise, returns FALSE
Example #1 MysqlndUhConnection::connect() example
<?php
class proxy extends MysqlndUhConnection {
public function connect ( $res , $host , $user , $passwd , $db , $port , $socket , $mysql_flags ) {
printf ( "%s(%s)\n" , __METHOD__ , var_export ( func_get_args (), true ));
$ret = parent :: connect ( $res , $host , $user , $passwd , $db , $port , $socket , $mysql_flags );
printf ( "%s returns %s\n" , __METHOD__ , var_export ( $ret , true ));
return $ret ;
}
}
mysqlnd_uh_set_connection_proxy (new proxy ());
$mysqli = new mysqli ( "localhost" , "root" , "" , "test" );
?>
以上例程会输出:
proxy::connect(array ( 0 => NULL, 1 => 'localhost', 2 => 'root', 3 => '', 4 => 'test', 5 => 3306, 6 => NULL, 7 => 131072, )) proxy::connect returns true