PHP: Calculating Business days from given dates or for particular period.

August 10, 2013
Whenever i get time i used to answers in PHP related questions in Stackoverflow. Today i come across common question being ask by number of developers, is to get the “Bussiness days” in a specific period. Developer write unneccessary of lines of codes, which we can get easily by using Datetime functions available with PHP.
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PHP Interview Questions – Magic Contant,Methods and Quotes

August 9, 2013
PHP provides a large number of predefined constants to any script which it runs.There are seven magical constants that change depending on where they are used. For example, the value of __LINE__ depends on the line that it’s used on in your script. These special constants are case-insensitive and are as follows:
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