PHP mysqli real_connect() Function
Example - Object Oriented style
Open a new connection to the MySQL server, with extra connect options:
<?php
$mysqli = mysqli_init();
if (!$mysqli) {
die("mysqli_init failed");
}
// Specify connection timeout
$con -> options(MYSQLI_OPT_CONNECT_TIMEOUT, 10);
// Specify read options from named file instead of my.cnf
$con ->
options(MYSQLI_READ_DEFAULT_FILE, "myfile.cnf");
$con -> real_connect("localhost","my_user","my_password","my_db");
?>
Look at example of procedural style at the bottom.
Definition and Usage
The real_connect() / mysqli_real_connect() function opens a new connection to the MySQL server.
This function differs from connect() in the following ways:
- real_connect() requires a valid object created by init()
- real_connect() can be used with options() to set different options for the connection
- real_connect() has a flag parameter
Syntax
Object oriented style:
$mysqli ->
real_connect(host, username, password, dbname, port, socket, flag)
Procedural style:
mysqli_real_connect(connection, host, username, password, dbname, port, socket, flag)
Parameter Values
Parameter | Description |
---|---|
connection | Required. Specifies the MySQL connection to use |
host | Optional. Specifies a host name or an IP address |
username | Optional. Specifies the MySQL username |
password | Optional. Specifies the MySQL password |
dbname | Optional. Specifies the default database to be used |
port | Optional. Specifies the port number to attempt to connect to the MySQL server |
socket | Optional. Specifies the socket or named pipe to be used |
flag | Optional. Specifies different connection options. Possible values:
|
Technical Details
Return Value: | TRUE on success. FALSE on failure |
---|---|
PHP Version: | 5+ |
PHP Changelog: | PHP 5.6: Added MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT flag |
Example - Procedural style
Open a new connection to the MySQL server, with extra connect options:
<?php
$con = mysqli_init();
if (!$con) {
die("mysqli_init failed");
}
// Specify connection timeout
mysqli_options($con,
MYSQLI_OPT_CONNECT_TIMEOUT, 10);
// Specify read options from named file instead of my.cnf
mysqli_options($con, MYSQLI_READ_DEFAULT_FILE, "myfile.cnf");
mysqli_real_connect($con,"localhost","my_user","my_password","my_db");
?>
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