s = "123"; echo intval(s); // 123 s = "hello"; echo intval(s); //0
$num = "3.14"; $int = (int)$num;//string to int $float = (float)$num;//string to float
Using intval() and floatval() Function. The intval() and floatval() functions can also be used to convert the string into its corresponding integer and float values respectively. echo floatval ( $num );
intval ( mixed $var [, int $base = 10 ] ) : int