(PHP 4, PHP 5, PHP 7) Sort an array and maintain index association

(PHP 5, PHP 7) Checks if property is private

(PHP 7) Gets the trace of the executing generator

(PHP >= 5.4.0) Returns whether this extension is persistent

(PHP 4, PHP 5, PHP 7) Set the internal pointer of an array to its last element

(PHP 4, PHP 5, PHP 7) Sort an array in reverse order and maintain index association

(PECL classkit >= 0.1) Dynamically changes the name of the given method

(PHP 5, PHP 7) Computes the difference of arrays by using a callback function for data comparison

(PHP 5, PHP 7) Checks if property is a default property

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Check for uppercase character(s)