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POAjax: displaying notification on another page, after successfully saved data to database
 

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    <p>I have standed out for awhile now with a thing i want to do. Thing i want to do is to display a message(confirmation, "You have earned 2 points") at the top (message like stackoverflow). </p> <p>Ive did this storing a confirmation message using session variable, and then at index.php there is a ajax script that loads session.php each 1 second, for checking if there's some message to display.</p> <p>BUT i wonder, cant this be done in another way? I mean, does it need to check each 1 second all the time</p> <p>My site is a design on index.php, and then you are browsing the rest inside a frame.</p> <p>Anyway, i already got a solution for this as you see, i think it may request too much to the server.</p> <p>So i wonder, cant this be done in another way? I mean, does it need to check each 1 second all the time?</p> <p>Isnt it possible to, if you have inserted a comment correctly, and stored session variable called user_message, then tell index.php to show the #box.</p> <p>My comment "form" is on show.php, which just contains a normal text area and a submit button. Now it stores the message through a JS script that passes it all to a string, to insert.php which inserts with normal mysql query to the database, and stores a session variable. (source code below) </p> <p>Here's some coding: session.php:</p> <pre><code>&lt;?php session_start(); if(isset($_SESSION['user_message'])) { echo 1; } ?&gt; </code></pre> <p>div box in index.php:</p> <pre><code>&lt;div id='box' onclick="closeNotice()" style="display: none"&gt; Hey, &lt;b&gt;&lt;? echo $pusername; ?&gt;&lt;/b&gt; - &lt;? echo $_SESSION["user_message"]; ?&gt; &lt;a href="#" class="close-notify" onclick="closeNotice()"&gt;X&lt;/a&gt; &lt;/div&gt; &lt;?php $_SESSION["user_message"] = null; ?&gt; </code></pre> <p>ajax script that refresh each 1 second(that i am using now):</p> <pre><code>function checkSession(){ $.ajax({url: "session.php", success: function(data){ if( data == 1){ $('#box').show(); }else{ $('#box').hide(); } }}); } setInterval('checkSession()',1000); </code></pre> <p>Script that passes string to insert.php which inserts the comment to the database:</p> <pre><code>var nocache = 0; function insert() { document.getElementById('insert_response').innerHTML = "Please Wait .. " var fID= encodeURI(document.getElementById('fID').value); var kommentar= encodeURI(document.getElementById('kommentar').value); nocache = Math.random(); http.open('get', 'insert.php?fID='+fID+'&amp;kommentar=' +kommentar+'&amp;nocache = '+nocache); http.onreadystatechange = insertReply; http.send(null); } function insertReply() { if(http.readyState == 4){ var response = http.responseText; document.getElementById('insert_response').innerHTML = ''+response; } } </code></pre> <p>The form on show.php:</p> <pre><code>&lt;div id="insert_response"&gt; &lt;/div&gt; &lt;form action="javascript:insert()" method="post"&gt; &lt;textarea id="kommentar" name="kommentar"&gt;&lt;/textarea&gt;&lt;br /&gt; &lt;input type="hidden" name="fID" id="fID" value="&lt;? echo $_GET["id"]; ?&gt;" /&gt; &lt;input type="submit" name="Submit" value="Sæt ind!"/&gt; &lt;/form&gt; </code></pre>
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    1. COI edited your title, did I correctly interpret what your question? :D
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    2. COHello. No actually not, it should be something like "Displaying notification, if isset session variable".
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    3. COseems like its not possiblee :/? but ive seen sites doing this..stackoverflow too
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