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By piccoloprincipe
via russellscottwalker.blogspot.co.uk
Submitted: Sep 21 2013 / 07:10

Almost every web application needs to handle global data. There are certain things that just have to be available throughout the entire code base, such as database connections, configuration settings, and error handling routines. As a PHP developer, you may have heard the mantra 'globals are evil', but this naturally begs the question 'what should I use instead of global variables?'
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