Learn PHP

In PHP some developer use same page for code and some use separate page for code of PHP script.so who use same page to script, they set page path in form tag as action.for that not set every time path of page use common code to put path of page. htmlspecialchars($_SERVER["PHP_SELF"]);  This code put in action attribute of form tag. this get current page path directly. For ex. <form name="test"  action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post" >                    //Your code </from>

It's easy to create web service in php. First create one php file in your website folder like " firstwebservice.php ". and open this file in any text editor. Now copy this code and past in file. <?php //add header for json header("Content-Type:application/json"); //if you send url paramers if(!empty($_REQUEST))     {         //url parameter "param"         if(isset($_REQUEST["param"]))         {             try             {                 $param=$_REQUEST['param'];                                  $response['status'] = 200;                 $...