PHP Float Data type : How to write float in PHP?

PHP Float Data Type : 

Float is number with decimals, any number with decimal point can be considered as float datatype.

Below example have $f as float. and the function PHP var_dump() returns the value value of float. 

Syntax:

<!DOCTYPE html>
<html>
<body>

<?php  
$f = 85.969;
var_dump($f);
?>  

</body>
</html>

Output : 

float(85.969)

--------------------