How To install PHP?

                         How  To Install  PHP

To start using PHP, you can:

• Find a web host with PHP and MySQL support
• Install a web server on your own PC, and then install PHP and MySQL.

However, if your server does not support PHP, you must:

• install a web server
• install PHP
• install a database, such as MySQL.

                 How To create connection with database

Following code is used to create the connection with database:-

<? php
// Create connection
$con=mysqli_connect ("example.com","peter","abc123","my_db");

// Check connection
if (mysqli_connect_errno($con))
  {a
  echo "Failed to connect to MySQL: " . mysqli_connect_error ();
  }
?>

How to Close a connection

Following code is used to close a connection:-

<?php
$con=mysqli_connect("example.com","peter","abc123","my_db");

// Check connection
if (mysqli_connect_errno($con))
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }
mysql_close($con);
?>

How to create a Database

To create a Database following code is written:-

<?php
$con=mysqli_connect("example.com","peter","abc123");
// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }

// Create database
$sql="CREATE DATABASE my_db";
if (mysqli_query($con,$sql))
  {
  echo "Database my_db created successfully";
  }
else
  {
  echo "Error creating database: " . mysqli_error();
  }
?>