PHP

How do you set a variable to an integer? in php

<?php

settype($foo, "integer"); 

echo $foo;

?>

PHP Integer

<?php
$x = 432;
var_dump(is_int($x));
$x = 23.77;
var_dump(is_int($x));
?>

php integer variable

$age = 19; //integer is assigned to variable age
echo $age //will output 19