php in external javascript file

Question

I have a the code below in my js which obviously works if the js is in the php file

filter: '<?php echo $my_cat>'

how can i make a variable maybe in the php file and pull it in my external js file?

possible duplicate of [How to pass variables and data from PHP to JavaScript?](http://stackoverflow.com/questions/23740548/how-to-pass-variables-and-data-from-php-to-javascript) — Tchami, Feb 20 '15 at 12:46

score 1 · Accepted Answer · answered Feb 20 '15 at 12:58

1

You have to place this below code at the top part of your test.php page

<script>
var filter = '<?php echo $my_cat>';
</script>

and simply you can check it on your external.js file by alert

alert(filter);

answered Feb 20 '15 at 12:58

score 0 · Answer 2 · answered Feb 20 '15 at 12:56

0

<?php 
   function showme(){
   echo "HelloWorld";
}
?>    

<script type="text/javascript">
     var my_var = '<?php echo showme(); ?>' ;
</script>

answered Feb 20 '15 at 12:56

nifCody

score 0 · Answer 3 · answered Feb 20 '15 at 13:31

0

You can also use short tags.

<script>

var filter = '<?=$my_cat?>';

</script>

answered Feb 20 '15 at 13:31

Siter4u

3 Answers3