<?php$var = "5bar"; // mixed $var$bool = settype ( $var, // mixed &$var "integer""array""bool""boolean""double""float""int""integer""null""object""string" ✓? // string $type);?>
$var = 5 $bool = true
5
true
#1
settype
(/* $var = "5bar" */ $var, "integer")
#2
(/* $var = true */ $var, "string")