maxdb_real_connect

maxdb::real_connect

(PECL maxdb >= 1.0)

maxdb_real_connect -- maxdb::real_connect — Opens a connection to a MaxDB server

说明

过程化风格

bool maxdb_real_connect ( resource $link [, string $hostname [, string $username [, string $passwd [, string $dbname [, int $port = 0 [, string $socket ]]]]]] )

面向对象风格

bool maxdb::real_connect ([ string $hostname [, string $username [, string $passwd [, string $dbname [, int $port = 0 [, string $socket ]]]]]] )

maxdb_real_connect() attempts to establish a connection to a MaxDB database engine running on hostname.

This function differs from maxdb_connect() :

maxdb_real_connect() needs a valid resource which has to be created by function maxdb_init()
With function maxdb_options() you can set various options for connection.

返回值

成功时返回 TRUE ，或者在失败时返回 FALSE 。

范例

Example #1 面向对象风格

  <?php

 
 $maxdb  =  maxdb_init ();

 
 $maxdb -> options ( MAXDB_UNICODE ,  "FALSE" );
 $maxdb -> options ( MAXDB_TIMEOUT ,  5 );

 
 $maxdb -> real_connect ( 'localhost' ,  'MONA' ,  'RED' ,  'DEMODB' );

 
 if ( maxdb_connect_errno ()) {
    printf ( "Connect failed: %s\n" ,  maxdb_connect_error ());
   exit();
}

 printf  ( "Connection: %s\n." ,  $maxdb -> host_info );

 $maxdb -> close ();
 ?>

Example #2 过程化风格

  <?php

 
 $link  =  maxdb_init ();

 
 maxdb_options ( $link ,  MAXDB_UNICODE ,  "FALSE" );
 maxdb_options ( $link ,  MAXDB_TIMEOUT ,  5 );

 
 maxdb_real_connect ( $link ,  'localhost' ,  'MONA' ,  'RED' ,  'DEMODB' );

 
 if ( maxdb_connect_errno ()) {
    printf ( "Connect failed: %s\n" ,  maxdb_connect_error ());
   exit();
}

 printf  ( "Connection: %s\n." ,  maxdb_get_host_info ( $link ));

 maxdb_close ( $link );
 ?>

以上例程的输出类似于：

Connection: localhost <...>

参见

maxdb_connect() - Open a new connection to the MaxDB server
maxdb_init() - Initializes MaxDB and returns an resource for use with maxdb_real_connect
maxdb_options() - Set options
maxdb_ssl_set() - Used for establishing secure connections using SSL
maxdb_close() - Closes a previously opened database connection