(PHP 5, PHP 7) Checks if returns reference public bool ReflectionFunctionAbstract::returnsReference ( void ) Checks whether the function returns a reference. Returns: TRUE if it returns a reference, otherwise FALSE This function is currently not documented; only its argument list is available.

(PHP 5 >= 5.6.0, PHP 7) Checks if the function is variadic public bool ReflectionFunctionAbstract::isVariadic ( void ) Checks if the function is variadic. Returns: Returns TRUE if the function is variadic, otherwise FALSE.

(PHP 5, PHP 7) Checks if user defined public bool ReflectionFunctionAbstract::isUserDefined ( void ) Checks whether the function is user-defined, as opposed to internal. Returns: TRUE if it's user-defined, otherwise false; This function is currently not documented; only its argument list is available.

(PHP 5, PHP 7) Checks if is internal public bool ReflectionFunctionAbstract::isInternal ( void ) Checks whether the function is internal, as opposed to user-defined. Returns: TRUE if it's internal, otherwise FALSE This function is currently not documented; only its argument list is available.

(PHP 5 >= 5.5.0, PHP 7) Returns whether this function is a generator public bool ReflectionFunctionAbstract::isGenerator ( void ) Returns: Returns TRUE if the function is generator, FALSE if it is not or NULL on failure. This function is currently not documented; only its argument list is available.

(PHP 5, PHP 7) Checks if deprecated public bool ReflectionFunctionAbstract::isDeprecated ( void ) Checks whether the function is deprecated. Returns: TRUE if it's deprecated, otherwise FALSE Examples: ReflectionFunctionAbstract::isDeprecated() example <?php $rf = new ReflectionFunction('ereg'); var_dump($rf->isDepre

(PHP 5 >= 5.3.0, PHP 7) Checks if closure public bool ReflectionFunctionAbstract::isClosure ( void ) Checks whether the reflected function is a Closure. Returns: Returns TRUE if the function is a Closure, otherwise FALSE. Examples: ReflectionFunctionAbstract::isClosure() example <?php // Non-closure $function1 = 'st

(PHP 5 >= 5.3.0, PHP 7) Checks if function in namespace public bool ReflectionFunctionAbstract::inNamespace ( void ) Checks whether a function is defined in a namespace. Returns: TRUE if it's in a namespace, otherwise FALSE This function is currently not documented; only its argument list is available.

(PHP 7) Checks if the function has a specified return type public bool ReflectionFunctionAbstract::hasReturnType ( void ) Checks whether the reflected function has a return type specified. Returns: Returns TRUE if the function is a specified return type, otherwise FALSE. Examples: ReflectionFunctionAbstract::hasReturnType() example

(PHP 5, PHP 7) Gets static variables public array ReflectionFunctionAbstract::getStaticVariables ( void ) Get the static variables. Returns: An array of static variables. This function is currently not documented; only its argument list is available. See also: Reflecti