(PHP 5, PHP 7) Checks if the class is instantiable

(PECL quickhash >= Unknown) This factory method creates a set from a file

(PHP 4 >= 4.0.5, PHP 5) Call a user method given with an array of parameters

(PHP >= 5.4.0) Returns an array of names of traits used by this class

(PHP 4, PHP 5, PHP 7) Finds whether a variable is a resource

(PHP 5, PHP 7) Returns the string representation of the Reflection method object.

(PHP 5, PHP 7) Checks if property is static public

(PHP 4, PHP 5, PHP 7) Returns the number of arguments passed to the function

(PHP 4, PHP 5) Call a user method on an specific object

(PHP 5 >= 5.1.0, PHP 7) Checks if method is defined