This article examines how PHP handles passing of variables internally, as well as how this relates to memory usage. This information is very useful for any professional PHP developer as it shows how passing variables by reference will normally result in more (not less) memory being used.
UML (Unified Modelling Language) is a mechanism for representing software in the form of diagrams. Essentially it allows to design our applications by drawing, and if the right tools existed, even generate code from the diagrams. In this article we?ll look at how PHP code is represented in UML terms, via use of the the UML class diagram.
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Make sure your program can run on different PHP setups by distributing a custom environment setup. Expalins how to create the config and how to get your current configuration.
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