this code is to autosave form in mysql database i am unable to send multiple parameters
the main issue is here
var saved_text = document.getElementById("saved_text").value;
var content = document.getElementByID("test").value;
var params = "saved_text="+saved_text+"content="+content;
php code
<?php
$user_id = 1;
if($_SERVER["REQUEST_METHOD"]=="POST")
{
$saved_text = mysql_real_escape_string($_POST["saved_text"]);
$sql = "UPDATE asave SET saved_text = '".$saved_text."' ";
$sql.= "WHERE user_id = $user_id";
mysql_query($sql) or die(mysql_error().$sql);
echo "Your data has been saved ".date("h:m:s A");
exit;
}
$sql = "SELECT saved_text FROM asave WHERE user_id = $user_id";
$rs = mysql_query($sql) or die(mysql_error().$sql);
$arr = mysql_fetch_array($rs);
$saved_text = $arr["saved_text"];
?>
html code
<html>
<head>
<script type="text/javascript">
function init(){
window.setInterval(autoSave,10000); // 10 seconds
}
function autoSave(){
var saved_text = document.getElementById("saved_text").value;
var content = document.getElementByID("test").value;
var params = "saved_text="+saved_text+"content="+content;
var http = getHTTPObject();
http.onreadystatechange = function(){
if(http.readyState==4 && http.status==200){
msg = document.getElementById("msg");
msg.innerHTML = "<span onclick='this.style.display=\"none\";'>"+http.responseText+" (<u>close</u>)</span>";
}
};
http.open("POST", window.location.href, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.send(params);
}
//cross-browser xmlHTTP getter
function getHTTPObject() {
var xmlhttp;
/*@cc_on
@if (@_jscript_version >= 5)
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (E) {
xmlhttp = false;
}
}
@else
xmlhttp = false;
@end @*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
try {
xmlhttp = new XMLHttpRequest();
} catch (e) {
xmlhttp = false;
}
}
return xmlhttp;
}
</script>
</head>
<body onload="init();">
<span id="msg" style="cursor:pointer;"></span>
<form method="POST">
<textarea id="saved_text" name="saved_text" rows="10" cols="100"><?PHP echo $saved_text;?></textarea>
<br/>
<input id="test" type="text" value="<?php echo $content;?>">
<input type="submit" value="save now" />
</form>
</body>