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Let's make a webservice in php

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;                 $response['param'] = $param;                                //return output as json format                 echo json_encode($response);             }             catch(Exception $ex)             {                 $error = array(                     "status"=> 500,                     "message"=>".$ex->getMessage()."               
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PHP Syntax

 PHP Syntax Default file extension for php code is " .php ". .php file can have HTML tags, JavaScripts, PHP scripts.  A PHP script can be placed anywhere in the page. <?php code hear ?>  for print or display normaly userd "echo". Example <html>        <head>       </head>       <body>              <?php echo 'hello php!' ; ?>       </body>  </html>
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