clear
	Operation: Empties the array's contents, freeing all memory reserved for the array 
	Supported Data types: array
		int clear(array array)
	Example: clear($myArray);
size
	Operation: Returns the number of elements in an array or the number of characters in a string. 
	Supported Data types: array, string
		int size(array array)
		int size(string string)
		array is the name of the array whose size you want.
		string is the string whose number of characters you want.
	Example: size($myArray)
sort
	Operation: Returns an array sorted in alphabetical or ascending numerical order 
	Supported Data types: array
		array sort(array array)
	Example: sort($myArray)