تابع ‎settype()‎‎ در PHP

<?php
$a = "32"; // string 
settype($a, "integer"); // $a is now integer

$b = 32;  // integer 
settype($b, "string"); // $b is now string

$c = true; //  boolean 
settype($c, "integer"); // $c is now integer (1)
?>