4. Arrays in PHP

Arrays :

• An array stores multiple values in one single variable.
• Numeric array - An array with a numeric index.
• Associative array - An array where each ID key is associated with a value.
• Ex. Numeric Array: $fruits=array("Apple","Mango","Banana","Grapes");

http://pastebin.com/SwJH96b1

Multi-Dimensional Arrays :

• In a multidimensional array, each element in the main array can also be an array. And each element in the sub-array can be an array, and so on.

http://pastebin.com/eVEF0WZM