W3Schools - Wikipedia W3Schools is a freemium educational website for learning coding online [1][2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium [3][4][unreliable source] W3Schools offers courses covering many aspects of web development [5] W3Schools also publishes free HTML templates It is run by Refsnes Data in Norway [6] It has an
HTML - Wikipedia HTML (Hypertext Markup Language) is the standard markup language for creating web pages and web applications, defining the structure and layout of content
PHP - Wikipedia Additionally, PHP can be used for programming tasks outside the web context, though most non-web uses are rare PHP code can also be directly executed from the command line The standard PHP interpreter, powered by the Zend Engine, is free software released under the PHP License
List of SMTP server return codes - Wikipedia List of SMTP server return codes This is a list of Simple Mail Transfer Protocol (SMTP) response status codes Status codes are issued by a server in response to a client's request made to the server Unless otherwise stated, all status codes described here is part of the current SMTP standard, RFC 5321
Server Side Includes - Wikipedia Server Side Includes (SSI) is a simple interpreted server-side scripting language used almost exclusively for the World Wide Web It is most useful for including the contents of one or more files into a web page on a web server (see below), using its #include directive This could commonly be a common piece of code throughout a site, such as a page header, a page footer and a navigation menu
PHP syntax and semantics - Wikipedia The purpose of the delimiting tags is to separate PHP code from non-PHP data (mainly HTML) Although rare in practice, PHP will execute code embedded in any file passed to its interpreter, including binary files such as PDF or JPEG files, or in server log files [7][8] Everything outside the delimiters is ignored by the PHP parser and is passed
List of HTTP status codes - Wikipedia IIS sometimes uses additional decimal sub-codes for more specific information, [41] however these sub-codes only appear in the response payload and in documentation, not in the place of an actual HTTP status code
CodeIgniter - Wikipedia CodeIgniter is a free and open-source software rapid web development framework, for use in building dynamic web sites with PHP [5]