What is array in PHP?
An array is a variable that stores a set or sequence of values. One array can have many elements and each element can hold a single value such as text or numbers or another array. An array containing other arrays is known as a multidimensional array.
There are three types of array in PHP.
(1) Numeric array
(2) Associative array
(3) Multidimensioanl array
Numeric array : An Array with a numeric index. Values are stored and accessed in linear fashion.
Asscociative array : An array with strings as index. This stores element values in association with key values rather than in a strict linear index order.
Multidimension array : This array contain one or more array or sub-array.
