Do you prefer a language that embraces procedural programming? How about one
that embraces the object-oriented paradigm? PHP offers comprehensive support for
both. Although PHP was originally a solely functional language, the developers soon
came to realize the importance of offering the popular OOP paradigm and took the
steps to implement an extensive solution.
The recurring theme here is that PHP allows you to quickly capitalize on your current
skill set with very little time investment. The examples set forth here are but a small
sampling of this strategy, which can be found repeatedly throughout the language.
Price
PHP is available free of charge! Since its inception, PHP has been without usage,
modification, and redistribution restrictions. In recent years, software meeting such
open licensing qualifications has been referred to as open source software. Open source
software and the Internet go together like bread and butter. Open source projects such
as Sendmail, Bind, Linux, and Apache all play enormous roles in the ongoing operations
of the Internet at large. Although open source software??™s free availability has
been the point most promoted by the media, several other characteristics are equally
important if not more so:
10 CHAPTER 1 ?– I NTRODUCING PHP
Free of licensing restrictions imposed by most commercial products: Open
source software users are freed of the vast majority of licensing restrictions one
would expect of commercial counterparts.
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