How to save an object in PHP and access it everywhere?

How to save an object in PHP and access it everywhere?

References

Reference NO 1

http://stackoverflow.com/questions/15187831/how-to-save-an-object-in-php-and-access-it-everywhere

Reference NO 2

http://stackoverflow.com/questions/2732168/use-an-instance-of-an-object-throughout-the-site-with-php

Reference NO 3

http://stackoverflow.com/questions/1459377/access-array-returned-by-a-function-in-php

Reference NO 4

http://stackoverflow.com/questions/13462606/make-pdo-connection-variable-accessible-throughout-site

Reference NO 5

http://php.net/manual/en/language.variables.superglobals.php

Reference NO 6

http://www.w3resource.com/php/classes-objects/php-object-oriented-programming.php

Reference NO 7

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Reference NO 8

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