单击div时如何设置$ _SESSION变量

Question

In my portfolio I implemented a PHP script that generate some div that contain images of some works. When users click on a div, there is a redirect on a details.php page that contains work details. How can I set $_SESSION variable values, in order to use them on details.php?

PHP scipt:

$query2="SELECT * FROM Posts WHERE Category='".$record1['Category']."' ORDER BY data_pubb DESC";
            $esito2 = mysql_query($query2);
            while($record2 = mysql_fetch_array($esito2))
            {
                echo "
                    <div class='col-sm-4 job'>
                        <div class='container hover-image-container'>
                            <a href=''>
                                <img src='".$record2['static_img']."' data-src='".$record2['static_img']."' data-animated-src='".$record2['dinamic_img']."' width='100%' height='100%' />
                                <div class='overlay'>
                                    <div class='text'>".$record2['title']."</div>
                                </div>
                            </a>
                        </div>
                    </div>
                        ";
            }

Answer 1

You would need to use JavaScript to detect the onclick and use AJAX to start the session.

For starters, add session_start(); to the top of your page.

Then add an onclick event to your div:

<div class='col-sm-4 job' onclick='startsession()`>

Then define the startsession() function:

function startsession() {
   $.ajax({
      var name = ''; // the name of your session e.g $_SESSION['counters'];
      var value = ''; // the value of your session e.g 10
      url: "sessionstart.php",
      data: {session: name, value: value},
      success: function(data){
         // your success function
      }
   });
}

Then on sessionstart.php:

<?php 
session_start();
$_POST['name'] = $_POST['value'];
<?