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PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [8] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [9] [10] The PHP reference implementation is now produced by the PHP Group. [11]
PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by " $ ". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.
Server-side scripting is a technique used in web development which involves employing scripts on a web server which produces a response customized for each user's (client's) request to the website. Scripts can be written in any of a number of server-side scripting languages that are available. Server-side scripting is distinguished from client ...
Dynamic web page: example of server-side scripting (PHP and MySQL). A dynamic web page is a web page constructed at runtime (during software execution), as opposed to a static web page, delivered as it is stored. A server-side dynamic web page is a web page whose construction is controlled by an application server processing server-side scripts.
Scripting language. In computing, a script is a relatively short and simple set of instructions that typically automate an otherwise manual process. The act of writing a script is called scripting. Scripting language or script language describes a programming language that it is used for scripting. [1]
Code injection is a class of computer security exploits in which a vulnerable computer program is tricked into misinterpreting external data as part of its code. An attacker thereby introduces (or "injects") code into the program and changes the course of its execution. The result of successful code injection can be disastrous, for example, by ...
Common Gateway Interface. In computing, Common Gateway Interface ( CGI) is an interface specification that enables web servers to execute an external program to process HTTP or HTTPS user requests. [1] Such programs are often written in a scripting language and are commonly referred to as CGI scripts, but they may include compiled programs. [2]
List of PHP extensions. This is the present list of all officially documented extensions for the PHP programming language. .NET. Apache. BCMath. Brotli. Bzip2. Calendars. CCVS.