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progress.php
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progress.php
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<?php
if( isset($_REQUEST['progress']) )
{
session_start();
$key = ini_get("session.upload_progress.prefix") . "myForm";
if (!empty($_SESSION[$key])) {
$current = $_SESSION[$key]["bytes_processed"];
$total = $_SESSION[$key]["content_length"];
echo $current < $total ? ceil($current / $total * 100) : 100;
}
else {
echo 100;
}
die();
}
if ($_SERVER["REQUEST_METHOD"] == "POST" && !empty($_FILES["userfile"]))
{
move_uploaded_file($_FILES["userfile"]["tmp_name"], "./" . $_FILES["userfile"]["name"]);
}
?><html>
<head>
<title>File Upload Progress Bar</title>
<style type="text/css">
#bar_blank {
border: solid 1px #000;
height: 20px;
width: 300px;
}
#bar_color {
background-color: #006666;
height: 20px;
width: 0px;
}
#bar_blank, #hidden_iframe {
display: none;
}
</style>
</head>
<body>
<div id="bar_blank">
<div id="bar_color"></div>
</div>
<div id="status"></div>
<form action="progress.php" method="post" id="myForm" enctype="multipart/form-data">
<input type="hidden" value="myForm" name="<?php echo ini_get("session.upload_progress.name"); ?>">
<input type="file" name="userfile"><br>
<input type="submit" value="Start Upload">
</form>
<script type="text/javascript">
function toggleBarVisibility() {
var e = document.getElementById("bar_blank");
e.style.display = (e.style.display == "block") ? "none" : "block";
}
function createRequestObject() {
var http;
if (navigator.appName == "Microsoft Internet Explorer") {
http = new ActiveXObject("Microsoft.XMLHTTP");
}
else {
http = new XMLHttpRequest();
}
return http;
}
function sendRequest() {
var http = createRequestObject();
http.open("GET", "progress.php?progress=on");
http.onreadystatechange = function () { handleResponse(http); };
http.send(null);
}
function handleResponse(http) {
var response;
if (http.readyState == 4) {
response = http.responseText;
console.log( response )
document.getElementById("bar_color").style.width = response + "%";
document.getElementById("status").innerHTML = response + "%";
if (response < 100) {
setTimeout("sendRequest()", 1000);
}
else {
toggleBarVisibility();
document.getElementById("status").innerHTML = "Done.";
}
}
}
function startUpload() {
toggleBarVisibility();
setTimeout("sendRequest()", 1000);
}
(function () {
document.getElementById("myForm").onsubmit = startUpload;
})();
</script>
</body>
</html>