PHP MySQL Connect

Since PHP 5.5, mysql_connect() extension is deprecated. Now it is recommended to use one of the 2 alternatives.

  • mysqli_connect()
  • PDO::__construct()

PHP mysqli_connect()

PHP mysqli_connect() function is used to connect with MySQL database. It returns resource if connection is established or null.Syntax

  1. resource mysqli_connect (server, username, password)  

PHP mysqli_close()

PHP mysqli_close() function is used to disconnect with MySQL database. It returns true if connection is closed or false.

Syntax

  1. bool mysqli_close(resource $resource_link)  

PHP MySQL Connect Example

Example

<?php  
$host = 'localhost:3306';  
$user = '';  
$pass = '';  
$conn = mysqli_connect($host, $user, $pass);  
if(! $conn )  
{  
  die('Could not connect: ' . mysqli_error());  
}  
echo 'Connected successfully';  
mysqli_close($conn);  
?>  

Output:

Connected successfully

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