using js variable in php code example
Example 1: javascript php variable
<script type="text/javascript">
var php_var = "<?php echo $php_var; ?>";
</script>
Example 2: js var to php
<script>
var res = "success";
</script>
<?php
echo "<script>document.writeln(res);</script>";
?>
Example 3: using js variable in php
<script type="text/javascript">
var abc= 'this is text';
<?php $abc = "<script>document.write(abc)</script>"?>
</script>
<?php echo $abc;?>
Example 4: how to use javascript variable in php
<script>
var p1 = "success";
</script>
<?php
echo "<script>document.writeln(p1);</script>";
?>