"Depending on whom you ask, the difference between a
good developer and an excellent developer, in terms of
productivity, is a factor of 10 to 20. An excellent developer is
more productive because of his experience and good habits. When
poor programming habits sneak into your code, they're a drain on
productivity. This article demonstrates some good programming
habits that can make you a better programmer.
"In addition to enabling you to build code more productively,
these habits can help you build code sustainable for an
application's lifetime. Any code you write is likely to spend most
of its lifetime in maintenance; application maintenance is a large
expense. Establishing good coding habits will enhance design
factors like modularity, and your code will be easier to understand
and, thus, easier and cheaper to maintain.
"Bad coding habits seem to accompany defects in code and can
cause code to be difficult to change without introducing new
defects. The following five good habits, when applied to your PHP
code, will help you avoid these pitfalls:"
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