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    <p>Assign a random classname to the <code>&lt;input&gt;</code>s for example:</p> <pre><code>&lt;form action="" method="post" enctype="multipart/form-data"&gt; &lt;input type="file" name="file[]" class="fileuploadCounter"&gt; &lt;input type="file" name="file[]" class="fileuploadCounter"&gt; &lt;input type="file" name="file[]" class="fileuploadCounter"&gt; &lt;input type="file" name="file[]" class="fileuploadCounter"&gt; &lt;/form&gt; </code></pre> <p>After init, <code>$('.fileuploadCounter').length()</code> will return the amount of elements with that class, in this example, four. See the <a href="http://api.jquery.com/length/" rel="nofollow">jQuery documentation</a>.</p> <p><hr> <strong>Old answer underneath</strong></p> <p>Change the name on the <code>&lt;input&gt;</code> tags to <code>images[]</code>, and count <code>$_POST['images']</code> server side.</p> <p>Eg:</p> <pre><code>&lt;form action="" method="post" enctype="multipart/form-data"&gt; &lt;input type="file" name="file[]"&gt; &lt;input type="file" name="file[]"&gt; &lt;input type="file" name="file[]"&gt; &lt;input type="file" name="file[]"&gt; &lt;/form&gt; &lt;?php if($_SERVER['REQUEST_METHOD'] == "POST"){ if(isset($_FILES['file'])){ // Because we added [] in the name tag and they match names, $_FILES['file'] is now an array containing the images. if(count($_FILES['file']) &gt; 4){ // More than 4 files } else { // Less then four! foreach($_FILES['file'] as $file){ move_uploaded_file($file["file"]["tmp_name"], "uploads/" . $files["file"]["name"]); } } } } ?&gt; </code></pre>
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    1. POManaging php sessions on multiple file uploads
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    1. COThank you @Thew, but that was not the problem. What i need is a client side way to count the imgs, and only send to php if they are less than 4, i tryied 2 ways in my code, but none works. And plus i would need an approach to check if the user quit the page and has restart the upload (if i wont unset the session array than the user will receive the limit message even when reflesh the page, but if i unset without a frontend check, the user will lost his uploaded files) Can you help me? Thanks
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    2. COJavascript counting images is unsafe if you check without the PHP side. Any user could edit your code and send a thousand images if they wanted.
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    3. COI knew, my approach is unsetting if it reaches the 5 file on php side, but only if the user pass the js limit (if the user modify js).
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