How to access assoc array within assoc array

How to access assoc array within assoc array

References

Reference NO 1

http://stackoverflow.com/questions/3842111/accessing-associative-arrays-in-php

Reference NO 2

http://stackoverflow.com/questions/1951690/php-how-to-loop-through-a-associative-array-and-get-the-key-name

Reference NO 3

http://php.net/manual/en/language.types.array.php

Reference NO 4

http://www.w3schools.com/php/php_arrays.asp

Reference NO 5

http://www.quirksmode.org/js/associative.html

Reference NO 6

http://www.tcl.tk/man/tcl8.5/tutorial/Tcl22.html

Reference NO 7

http://livedocs.adobe.com/flex/3/html/10_Lists_of_data_4.html

Reference NO 8

http://www.informit.com/articles/article.aspx?p=31840&seqNum=3