Type functions
==============

* string get_class_ ( mixed *$val* )
* bool is_array_ ( mixed *$val* )
* bool is_class_ ( mixed *$val*, string *$class* )
* bool is_empty_ ( mixed *$val* )
* bool is_float_ ( mixed *$val* )
* bool is_int_ ( mixed *$val* )
* bool is_numberic_ ( mixed *$val* )
* bool is_object_ ( mixed *$val* )
* bool is_scalar_ ( mixed *$val* )
* bool is_set_ ( mixed *$val* )
* bool is_string_ ( mixed *$val* )