trait_exists
Introduction
Variable and Type Related Extensions
PHP Manual
Classkit
Introduction
Installing/Configuring
Requirements
Installation
Runtime Configuration
Resource Types
Predefined Constants
Classkit Functions
classkit_import
— Import new class method definitions from a file
classkit_method_add
— Dynamically adds a new method to a given class
classkit_method_copy
— Copies a method from class to another
classkit_method_redefine
— Dynamically changes the code of the given method
classkit_method_remove
— Dynamically removes the given method
classkit_method_rename
— Dynamically changes the name of the given method
trait_exists
Introduction
Variable and Type Related Extensions
PHP Manual