ReflectionFunctionAbstract::isDeprecated Checks if deprecated &reftitle.description; public boolReflectionFunctionAbstract::isDeprecated Checks whether the function is deprecated. &warn.undocumented.func; &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &true; if it's deprecated, otherwise &false; &reftitle.seealso; ReflectionFunctionAbstract::getDocComment