Can I use a php variable in a javascript function?

108 100+

I want to use a php variable in my javascript.

Expand|Select|Wrap|Line Numbers

 <script type='text/javascript'>

function display_alert(x){

alert(x);

}

</script>

<body>

<?php $var1='phpvariable';
 
echo "<button onclick='display_alert($var1)'>Diaplay alert</button>";

?>

</body>

I am not able to execute such a script..
I need to pass a php variable to a javascript function .Is that possible ?
If so,hw cn i implement this?
Thanks in adv
With regards
phpuser123

Apr 13 '10 #1

Subscribe Post Reply

✓ answered by chathura86

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<script type='text/javascript'>

function display_alert(x)

{

    alert(x);

}

</script>

<body>

<?php 
 
$var1='phpvariable';

$var2='display_alert("' . $var1 . '")';
 
echo "<button onclick=$var2>Display alert</button>";

?>

</body>

try this

Regards

1490

Dormilich

8,658

Expert Mod 8TB

you need to pass the variable as JavaScript string, that is, surrounded by " (or ')

Apr 13 '10 #2

phpuser123

108

100+

I passed the variable within quotes as u mentioned..I got $var1 instead of phpvariable ...

Expand|Select|Wrap|Line Numbers

 <script type='text/javascript'>

   function display_alert(x){

  alert(x);

  }

  </script>

  <body>

  <?php $var1='phpvariable';

 $var2='display_alert("$var1")';
 
 echo "<button onclick=$var2>Display alert</button>";

 ?>

 </body>

Is that what u exactly u mean ?
To some extent it worked bt I gt the name of my variable instead of the value it holds..

Apr 15 '10 #3

chathura86

227

100+

Expand|Select|Wrap|Line Numbers

 
<script type='text/javascript'>

function display_alert(x)

{

    alert(x);

}

</script>

<body>

<?php 
 
$var1='phpvariable';

$var2='display_alert("' . $var1 . '")';
 
echo "<button onclick=$var2>Display alert</button>";

?>

</body>

try this

Regards

Apr 15 '10 #4

phpuser123

108

100+

@chathura86
Thanks that worked out..

Apr 16 '10 #5

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