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call a method out of the object context using the **::** scope resolution operator
call a method out of the object context using the :: scope resolution operator- the double colon operator (also called Paamayim Nekudotayim, or double-colon in Hebrew)
- http://www.devshed.com/c/a/PHP/Abstract-Classes-in-PHP-Working-with-PHP-5/2/
PHP,scope
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