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Develop rock-solid code in PHP: Use variables effectively, Part 2
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Develop rock-solid code in PHP: Use variables effectively, Part 2
http://www-106.ibm.com/developerworks/web/library/wa-phprock2/?t=gr,l=766,p=PHPvariables
Variables and functions are essential features of any computer language. With variables, you can abstract data; with functions, you can abstract several lines of code. As Bruce Eckel puts it in his book Thinking in C++, all programming languages provide abstractions. Assembly language is a small abstraction of the underlying machine. Many so-called imperative languages that followed (such as Fortran, BASIC, and C) are abstractions of assembly language.
The complexity of the problems you are able to solve is directly related to the kind and quality of abstraction your programming language provides. Understanding how PHP handles variables and functions will help you use them effectively. PHP > Tips and Tutorials > Development Oct 15, 2006
The complexity of the problems you are able to solve is directly related to the kind and quality of abstraction your programming language provides. Understanding how PHP handles variables and functions will help you use them effectively. PHP > Tips and Tutorials > Development Oct 15, 2006
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