PHP Jquery short codes functions

1. How to convert integer number into float and change pattern
Ans.

<?php
$a = 2000;

$your_val=  number_format($a/100,2,'.',',');

echo $your_val;
//output 20.00

?>

2.How to use php variable into jquery with if condition
Solution

<script>
$(document).ready(function(){
var limitvalue = '<?php if(isset($_GET['limitof'])) { echo  $_GET['limitof']; }else { echo 5; }  ?>';
$(".slctboxval").val(limitvalue);
});
</script>