check_username
<?php include 'config.php'; if(isset($_POST['username'])){ $username = $_POST['username']; // Check username $sql = "select count(*) as allcount from users where username=$1"; $result = pg_query_params($con, $sql, array($username)); $row = pg_fetch_assoc($result); $count = $row['allcount']; $response = "<span style='color: green;'>Available</span>"; if($count > 0){ $response = "<span style='color: red;'>Not Available</span>"; } echo $response; exit; }
Source: makitweb.com
check_username
$(document).ready(function(){ $("#txt_username").keyup(function(){ var username = $(this).val().trim(); if(username != ''){ $.ajax({ url: 'ajaxfile.php', type: 'post', data: {username:username}, success: function(response){ // Show response $("#uname_response").html(response); } }); }else{ $("#uname_response").html(""); } }); });
Source: makitweb.com