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$db_server = 'locahost';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database';
$connect = mysqli_connect($db_server, $db_username, $db_password, $db_name);
if (!$connect) { die("Connection failed: " . mysqli_connect_error())}
...
...
mysqli_close($conn);
$db_server = 'server_ip';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database';
$db_port = 'port';
$connect = mysqli_connect("$db_server:$db_port", $db_username, $db_password, $db_name);
if (!$connect) {die("Connection failed: " . mysqli_connect_error())}
....
....
mysqli_close($connect);
$db_server = 'locahost';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database';
try {$connect= new PDO("mysql:host=$db_server;dbname=$db_name", $db_username, $db_password),
$connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); echo "Connected successfully";
} catch(PDOException $e) {
echo "Connection failed: " . $e->getMessage();
}
....
...
$connect = null;
$db_server = 'server_ip';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database';
$db_port = 'port';
try {
$connect = new PDO("mysql:host=$db_server:$db_port;dbname=$db_name", $db_username, $db_password);
$connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully";
} catch(PDOException $e) {
echo "Connection failed: " . $e->getMessage();
}
....
...
$connect = null;
$db_server = 'locahost';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database';
$connect = new mysqli($db_server, $db_username, $db_password, $db_name);
if ($connect->connect_error) {
die("Connection failed: " . $connect->connect_error);
}
....
....
$connect->close();
define('DB_HOST', 'locahost');
define('DB_USER', 'username');
define('DB_PASSWORD', password');
define('DB_NAME', 'database');
define('DB_HOST', 'server_ip:port');
define('DB_USER', 'username');
define('DB_PASSWORD', password');
define('DB_NAME', 'database');
'mysql' => array(
'read' => array(
'host' => 'locahost',
),
'write' => array(
'host' => 'locahost'
),
'driver' => 'mysql',
'database' => 'database',
'username' => 'username',
'password' => 'password',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
),
'mysql' => array(
'read' => array(
'host' => env('DB_HOST', 'server_ip'),
'port' => env('DB_PORT', '3306'),
),
'write' => array(
'host' => env('DB_HOST', 'server_ip'),
'port' => env('DB_PORT', '3306'),
),
'driver' => 'mysql',
'database' => env('DB_DATABASE', 'database'),
'username' => env('DB_USERNAME', 'username'),
'password' => env('DB_PASSWORD', 'password'),
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
),
<?php
$connection = mysql_connect('localhost', 'mysqluser', 'mysqlpassword');
if (!$connection )
die('Could not connect: ' . mysql_error());
}
echo 'Connected successfully';
mysql_close($connection );
?>
<?php
$connection = new mysqli("localhost", "mysqluser", "mysqlpassword", "mysqldatabase");
if ($connection->connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli->connect_error;
exit();
}
?>
<?php
$connection = mysqli_connect("localhost", "mysqluser", "mysqlpassword", "mysqldatabase");
// Check connection
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
?>
$servername = "localhost";
$username = "mysqluser";
$password = "mysqlpassword";
try {
$connection = new PDO("mysql:host=$servername;dbname=mysqldatabase", $username, $password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully";
} catch(PDOException $e) {
echo "Connection failed: " . $e->getMessage();
}
?>