Fetch a key from an array
Sort an array by key in reverse order
Sort an array by key
Assign variables as if they were an array
Sort an array using a case insensitive 'natural orde' algorithm
Sort an array using a natural order algorithm
Advance the internal array pointer of an array
Alias of current()
Rewind the internal array pointer
 Create an array containing a range of elements
Set the internal pointer of an array to its first element
Sort an array in reverse order
This function shuffles or randomizes the order of the elements in an array.
Alias of count()
Sort an array
Sort an array with a user-defined comparison function and maintain index association
 Sort an array by keys using a user-defined comparison function
 Sort an array by values using a user-defined comparison function