mysqli_real_connect (PHP 5) mysqli_real_connect (no version information, might be only in CVS) mysqli->real_connect -- Opens a connection to a mysql server DescriptionProcedural style bool mysqli_real_connect ( mysqli link [, string hostname [, string username [, string passwd [, string dbname [, int port [, string socket [, int flags]]]]]]] ) Object oriented style (method) class mysqli { bool real_connect ( [string hostname [, string username [, string passwd [, string dbname [, int port [, string socket [, int flags]]]]]]] ) }
mysqli_real_connect() attempts to establish a
connection to a MySQL database engine running on
hostname.
This function differs from mysqli_connect():
mysqli_real_connect() needs a valid object which has
to be created by function mysqli_init()
With function mysqli_options() you can set various options for connection.
With the parameter flags you can set different connection options:
Table 1. Supported flags | Name | Description |
|---|
| MYSQLI_CLIENT_COMPRESS | Use compression protocol | | MYSQLI_CLIENT_FOUND_ROWS | return number of matched rows, not the number of affected rows | | MYSQLI_CLIENT_IGNORE_SPACE | Allow spaces after function names. Makes all function names reserved words. | | MYSQLI_CLIENT_INTERACTIVE |
Allow interactive_timeout seconds (instead of
wait_timeout seconds) of inactivity before closing the connection
| | MYSQLI_CLIENT_SSL | Use SSL (encryption) |
Note:
For security reasons the MULTI_STATEMENT flag is not supported in
PHP. If you want to execute multiple queries use the
mysqli_multi_query() function.
Return ValuesReturns TRUE on success or FALSE on failure. ExamplesExample 1. Object oriented style |
<?php
$mysqli = mysqli_init();
$mysqli->options(MYSQLI_INIT_COMMAND, "SET AUTOCOMMIT=0");
$mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 5);
$mysqli->real_connect('localhost', 'my_user', 'my_password', 'world');
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
printf ("Connection: %s\n.", $mysqli->host_info);
$mysqli->close();
?>
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Example 2. Procedural style |
<?php
$link = mysqli_init();
mysqli_options($link, MYSQLI_INIT_COMMAND, "SET AUTOCOMMIT=0");
mysqli_options($link, MYSQLI_OPT_CONNECT_TIMEOUT, 5);
mysqli_real_connect($link, 'localhost', 'my_user', 'my_password', 'world');
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
printf ("Connection: %s\n.", mysqli_get_host_info($link));
mysqli_close($link);
?>
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The above example will output: Connection: Localhost via UNIX socket |
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mysqli_query
