Available Checks

Here's a (probably incomplete) list of checks available across PHP: The Missing Bits:

Function List

Function Description
IsClassProperty::check() is the ReflectionProperty a class property?
IsList::check() can we use the variable in foreach() loop?
IsListyObject::check() can we use the variable in foreach() loop?
IsObjectProperty::check() is the ReflectionProperty an object property?
IsStringy::check() can we use the variable as a string?