php - Show record from db only one time to user -


i want show new record user 1 time. know can achieved using cookies, how use in situation? have record in $row .

$con = mysqli_connect("localhost", "root", "", "dentistf_new_df");  if(mysqli_connect_errno()) {     echo "failed connect mysql: ".mysqli_connect_error(); }  $query = mysqli_query($con, "select * wp_blog_posts order id desc ");    while($row = $query->fetch_assoc()) {       if(in_array($row['id'], $_cookie['blog_id _status'])) {         nothing...     } else {         echo $row['id'];         setcookie('blog_id _status', $row['id']);     } }

when set data cookie setcookie() on 1 page, can 1 second page:

if(isset($_cookie['mydata'])) {     echo $_cookie['mydata'];     setcookie("mydata", "", time()-(60*60*24), "/"); // unsets cookie }

dont use $_cookie['blog_id _status'] = ''; set value cookies.


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