Classes

Check against the current ajax action.
Check against the current ajax action.
Check against the current url
Check against a custom callable.
Check against an array of conditions in an AND logical relationship.
Negate another condition's result.
Check against the current post's id.
Check against the current post's slug.
Check against the current post's status.
Check against the current post's template.
Check against the current post's type.
Check against a query var value.
Check against the current url

Interfaces

Interface signifying that an object can filter the main WordPress query.
Interface that condition types must implement
Interface signifying that an object can be converted to a URL.