mysqli connect code example

Example 1: mysqli connect

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

// Check connection
if ($mysqli -> connect_errno) {

  echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
  
  exit();

  }
?>

Example 2: mysqli connect

mysqli_connect(host, username, password, dbname, port, socket)

Example 3: mysqli connect

$mysqli = new mysqli(host, username, password, dbname, port, socket)