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i want to give a value to a session by clicking on
i tried to do this , but its not working:
<?php session_start();
$_SESSION['role']="";?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<link href="auth-buttons.css" rel="stylesheet" />
<link href="StyleSheet.css" rel="stylesheet" />
</head>
<body>
<div id="wrap">
<div id="wrapHome">
<p><a class="btn-auth btn-facebook large" href="redirect.php" onclick="<?php $_SESSION['role']="facebook" ?>" > Sign in with <b>Facebook</b> </a></p>
<p><a class="btn-auth btn-twitter large" href="redirect.php" onclick="<?php $_SESSION['role']="twitter" ?>" > Sign in with <b>Twitter</b> </a></p>
<p><a class="btn-auth btn-google large" href="redirect.php" onclick="<?php $_SESSION['role']="google" ?>" > Sign in with <b>Google</b> </a></p>
</div>
</div>
</body>
</html>
813
A possible solution is to add a GET parameter in redirect.php and change the SESSION variable in redirect.php.
Change the following :
<p><a class="btn-auth btn-facebook large" href="redirect.php" onclick="<?php $_SESSION['role']="facebook" ?>" > Sign in with <b>Facebook</b> </a></p>
<p><a class="btn-auth btn-twitter large" href="redirect.php" onclick="<?php $_SESSION['role']="twitter" ?>" > Sign in with <b>Twitter</b> </a></p>
<p><a class="btn-auth btn-google large" href="redirect.php" onclick="<?php $_SESSION['role']="google" ?>" > Sign in with <b>Google</b> </a></p>
to :
<p><a class="btn-auth btn-facebook large" href="redirect.php?role=facebook"> Sign in with <b>Facebook</b> </a></p>
<p><a class="btn-auth btn-twitter large" href="redirect.php?role=twitter"> Sign in with <b>Twitter</b> </a></p>
<p><a class="btn-auth btn-google large" href="redirect.php?role=google"> Sign in with <b>Google</b> </a></p>
and add this at the top of the redirect.php
<?
session_start();
$_SESSION['role']=$_GET['role'];
?>
'onclick' will not fire php code. It will trigger javascript though. You can use javascript to make AJAX calls to a php page that'd in turn be able to set your session values (and ajax would help you do so without a page refresh on the button click.
#('.btn-auth btn-facebook large').click(function(){
// fire off the request to /redirect.php
request = $.ajax({
url: "/redirect.php",
type: "post",
data: 'facebook'
});
// callback handler that will be called on success
request.done(function (response, textStatus, jqXHR){
// log a message to the console
console.log("Hooray, it worked!");
});
// callback handler that will be called on failure
request.fail(function (jqXHR, textStatus, errorThrown){
// log the error to the console
console.error(
"The following error occured: "+
textStatus, errorThrown
);
});
});
In your redirect.php
<?php
$_SESSION['role'] = $_POST['data'];
?>
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