This question already has answers here:
How do I pass variables and data from PHP to JavaScript?
(19 answers)
Closed 3 years ago.
Hello there im learning php also javascript but i dont know how to put a while loop into javascript parameters area.
<script type="text/javascript" src="//....." async="true"></script>
<script type="text/javascript">
window.criteo_q = window.criteo_q || [];
var deviceType = /iPad/.test(navigator.userAgent) ? "t" : /Mobile|iP(hone|od)|Android|BlackBerry|IEMobile|Silk/.test(navigator.userAgent) ? "m" : "d";
window.criteo_q.push(
{ event: "setAccount", account: 62056}, // You should never update this line
{ event: "setEmail", email: "##Email Address of user##" }, // Can be an empty string
{ event: "setSiteType", type: deviceType},
{ event: "viewItem", item: "##HERE##" });
</script>
And the goal is output of "##HERE##" needs to be done php while loop from database. (I can give detailed description if asked)
If the file is .php exentension, you could have a <?php echo "JAVASCRIPT CODE" ?> with that you can could an output javascript inputing variables into it, by using concatenating. It is not a good pratice, but would soulve your problem.
Related
This question already has answers here:
How do I pass variables and data from PHP to JavaScript?
(19 answers)
Closed 3 years ago.
I have several products. On click product, I send "id" of clicked product to Local Storage. To use this variable in php I send it to items.php ($.post).
Then I need use this "id" from items.php to show in the cart, but variable is emply.
var LSArray = JSON.parse(localStorage.getItem('productID')) || [];
function clickOnProduct(id) {
var newItem = {'id': id};
LSArray.push(newItem);
localStorage.setItem("productID", JSON.stringify(LSArray));
var dataLS = JSON.parse(localStorage.getItem('productID')) ;
$.ajax({
type : "POST",
url : "/wp-content/themes/twentynineteen/items.php",
data : { name : dataLS[dataLS.length-1].id },
success: function(res){
console.log(res);
}
});
}
All works fine, but how can I use "id"?
<?php incude(items.php); ?>
dosn't work.
You are sending it by post. So you can take a look to your post variable by
<?php var_dump($_POST); ?>
Then you will see the array and probably you can access your data by
$_POST['name']
This question already has answers here:
What is the difference between client-side and server-side programming?
(3 answers)
Reference - What does this error mean in PHP?
(38 answers)
Closed 5 years ago.
I have that code:
function saveData(position, map) {
var latlng = marker.getPosition();
var late = latlng.lat();
var longe = latlng.lng();
<?php
require("sql.php");
session_start();
$name = 'prova';
$address = 'temare';
$type = 'bar';
$late = "<script>document.getElementByID('late').value</script>";
$longe ="<script>document.getElementByID('longe').value</script>";
I need to get late and longe variables in PHP but this doesn't work, anyone knows how I can do it?
You can't access javascript variables using PHP as JavaScript is executed on client side ( browser ) and PHP on server side.
The best what you can do is send data from those variables as request to server and read them, for example using jQuery ajax request:
Good example you can find here:
jQuery Ajax POST example with PHP
Or you can use this:
javascript
function sendData(variable1, variable2) {
$.ajax({
type: 'post',
url: 'myphpscript.php'
data: 'var1='+variable1+'&var2='+variable2
});
myphpscript.php
<?php
$variable1 = $_POST['var1'];
$variable2 = $_POST['var2'];
<script type="text/javascript">
<?php $abc = "<script>document.write(late)</script>"?>
<?php $def = "<script>document.write(longe)</script>"?>
</script>
This question already has answers here:
How to get JavaScript variable value in PHP
(10 answers)
Closed 6 years ago.
<button onclick=run(4)>
clickme
</button>
<script>
function run(a){
alert(a);
<?php
if('<script>document.write(a)</script>'==4){
echo 'runing php';
echo '<script>alert(a);</script>';
}
?>}
</script>
I'm new to php,i'm not able to get how the process is going on here.here i want to get value from javascript into the php variable...
this should be your html
<button onclick=run(4)>
clickme
</button>
<script>
then in you js file use jquery like
$(document).ready(function(e){
function run(val){
$.post('yourfilename.php',{yourvariable:val},function(response){
alert(response); // with alert you can see the feeback from php.
});
}
});
in php file get the value of jquery like this
$value = $_POST['yourvariable'];
echo $value; //this value will be return to your ajax call as response
This question already has answers here:
What is the difference between client-side and server-side programming?
(3 answers)
Closed 9 years ago.
I want to set session inside the javascript. But all the time this function return false value. Please tell me the error of this code.
<script>
function myFunction(){
var r=confirm("Would you like to add another item ?");
if (r==true) {
alert('ok');
var varname = '<?php echo $_SESSION["redirect"]=1; ?>';
}
if(r==false) {
alert('bad');
var varname = '<?php echo $_SESSION["redirect"]=2; ?>';
}
}
</script>
You can't evaluate PHP on the client. Do an AJAX request to the server setting the session variable instead.
Javascript runs on the client side, so you'll need to perform an AJAX call to a server side script that will change the sessions value.
Something in the lines of:
function changeSession()
{
$.ajax({
url: /change_session.php?value=1&key=redirect,
dataType:"html"
});
}
And in change_session.php:
<?php $_SESSION[$_REQUEST['key']]=$_REQUEST['value'] ?>
This question already has answers here:
how to pass these strings from php to javascript
(5 answers)
Closed 9 years ago.
I need to pass a value from PHP back to my javascript. I have tried so many things but can't get it to work. Here is my code.
<script type="text/javascript">
life = {};
life.anjaxEnter = function(finished) {
$.ajax({
dataType:"json",
type:"POST",
data:mydata,
url:"myurl.php",
async:false,
success:life.receiveResult,
});
setTimeout("location.href='myredirectionurl'", 1000); // Redirect after 1 second
}
life.receiveResult = function(result) {
alert(result);
}
</script>
I need to pass a specific value from the PHP file back to life.receiveResult and then add this to the redirection url.
The biggest problem is probably that at the time when you assign life.receiveResult to success, life.receiveResult is undefined. You need to define it before you assign it to something else.
myurl.php needs to return a JSON result when it's called. Something like this:
<?php
header("Content-Type: text/json");
$mydata = "Hello";
echo json_encode(array('ok' => true, 'mydata' => $mydata));
?>
Have a look at the json_encode docs, the header docs and some of the other answers for more information.