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Hypertext preprocessor 3.0 (PHP 3) is a server-side scripting language providing many capabilities to a Web programmer. As an all purpose scripting language, PHP can be embedded into HTML source code to produce dynamic Web pages.
PHP was designed by Rasmus Lerdorf as a personal project called personal home page, the genesis of PHP. The entire module was rewritten by a team of six programmers and then called PHP 3.0. The language gained popularity because of its active development environment and because it was free downloadable software.
The concepts of Perl, Java and C have been implemented in PHP 3.0, making the language convenient to understand. PHP 3.0 has the ability to perform highly complex mathematical calculations and provide network information, simplifying the writing of a database-enabled Web page.
PHP supports database servers like MySQL, Oracle, Sybase, MSQL, Generic ODBC, PostgreSQL, dbase, Velocis, Filepro, Informix and Adabas D.
Some of the most significant features of PHP 3.0 are:
Regular expressions are another feature. These are used for complex string manipulation. The functions that support regular expressions are: