Online PHP editor | output for DZI9h

<?php //include connect.php page for database connection Include('connect.php') //if submit is not blanked i.e. it is clicked. if(isset($_REQUEST['submit'])!='') { if($_REQUEST['name']=='' || $_REQUEST['email']=='' || $_REQUEST['password']==''|| $_REQUEST['repassword']=='') { Echo "please fill the empty field."; } if (preg_match('/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/', $email)) { if (preg_match('/^[a-z\d_]{2,20}$/i', $name)){ // Usename min 2 char max 20 char if (preg_match("/^[a-z0-9_-]{6,20}$/i", $password)){ if($_REQUEST['repassword']==$_REQUEST['password']){ // Password min 6 char max 20 char $sql="insert into users(name,email,password) values('".$_REQUEST['name']."', '".$_REQUEST['email']."', '".$_REQUEST['password']."')"; $res=mysql_query($sql); if($res) { Echo "Record successfully inserted"; } Else { Echo "There is some problem in inserting record"; } } } } }else{ Echo 'Please enter valid data.'; } ?>