change varible style in php code and how to encrypt pass word in php code

change varible style in php code and how to encrypt pass word in php code

change varible style in php code
$x = 100
echo $x;
this is simple of code .........
how can i change variable x style when appear in my site ?
its appear like that 100 but i wanna change color and fonte style of x
variable
2-how to encrypt password in php code
$password = '123456789';
i wanna encrypt the password in php code