Reverse a number without using in built function in php.

Question

<?php
function reverse($x)
{
$flag = 0;
For($i=1;$i<=$x;$i++)
{
$new = $x%10;
$flag = $flag*10+$new;
$x = $x/10;
}
echo $flag;
}

Reverse(786);
?>

Answer 1

Thanks but do this in code playground please :)