DaniWeb Forum Index > Web Development > PHP

want to pass php variable to javascript

Please support our PHP advertiser: PostgreSQL or MySQL? Compare and contrast the two most popular open source databases

•

Join Date: Nov 2007

Posts: 107

Reputation: kings has a little shameless behaviour in the past

Solved Threads: 2

kings

Offline

Junior Poster

want to pass php variable to javascript

Apr 8th, 2008

 Help with Code Tags 
 PHP Syntax (Toggle Plain Text) 
<html>
<head>
<SCRIPT LANGUAGE="JAVASCRIPT" TYPE="TEXT/JAVASCRIPT">
<!--
function login(t)
{
var t = '<?php echo $id; ?>';
alert(t);
}
-->
</SCRIPT>
</head>
<body> 
<?php
$id=$_GET['id'];
print "<input type='button' name='button' value='button' onClick='login('$id')'>";
?>
</body>
</html>
<html>
<head>
<SCRIPT LANGUAGE="JAVASCRIPT" TYPE="TEXT/JAVASCRIPT">
<!--
function login(t)
{
var t = '<?php echo $id; ?>';
alert(t);
}
-->
</SCRIPT>
</head>
<body> 
<?php
$id=$_GET['id'];
print "<input type='button' name='button' value='button' onClick='login('$id')'>";
?>
</body>
</html>

i want to alert the variable using onclick function.

•

Join Date: Nov 2007

Posts: 3,678

Reputation: nav33n is a jewel in the rough

Solved Threads: 319

nav33n

Offline

Senior Poster

Re: want to pass php variable to javascript

Apr 8th, 2008

Umm.. you are passing the id as a parameter. Why are you trying to assign the value of $id to t (in javascript function) ?

 Help with Code Tags 
 php Syntax (Toggle Plain Text) 
<html>
<head>
<SCRIPT LANGUAGE="JAVASCRIPT" TYPE="TEXT/JAVASCRIPT">
<!--
function login(t) {
alert(t);
}
-->
</SCRIPT>
</head>
<body> 
<?php
$id=$_GET['id'];
print "<input type='button' name='button' value='button' onClick=login('$id')>";
?>
</body>
</html>
<html>
<head>
<SCRIPT LANGUAGE="JAVASCRIPT" TYPE="TEXT/JAVASCRIPT">
<!--
function login(t) {
alert(t);
}
-->
</SCRIPT>
</head>
<body> 
<?php
$id=$_GET['id'];
print "<input type='button' name='button' value='button' onClick=login('$id')>";
?>
</body>
</html>

This works just fine !