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Xapian is a free and open-source probabilistic information retrieval library, released under the GNU General Public License (GPL). [2] It is a full-text search engine library for programmers. It is written in C++, with bindings to allow use from Perl, Python (2 and 3), PHP (5 and 7), Java, Tcl, C#, Ruby, Lua, Erlang, Node.js and R.
PHP: MariaDB [19] A free online encyclopedia based on MediaWiki, which is programmed in PHP. ... Search engine for ideas. WordPress.com: 240,000,000 [33] JavaScript:
In order to speed up execution time and not have to compile the PHP source code every time the web page is accessed, PHP scripts can also be deployed in the PHP engine's internal format by using an opcode cache, which works by caching the compiled form of a PHP script (opcodes) in shared memory to avoid the overhead of parsing and compiling the ...
XWiki is a free wiki software platform written in Java with a design emphasis on extensibility. [2] XWiki is an enterprise wiki engine with a complete wiki feature set (version control, attachments, etc.) and a database engine and programming language which allows database driven applications to be created using the wiki interface.
PHP has hundreds of base functions and thousands more from extensions. Prior to PHP version 5.3.0, functions are not first-class functions and can only be referenced by their name, whereas PHP 5.3.0 introduces closures. [35] User-defined functions can be created at any time and without being prototyped. [35]
Free and open-source software portal; This is a category of articles relating to software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: "free software" or "open source software". Typically, this means software which is distributed with a free software license or in public domain.
Zend Engine is used internally by PHP as a compiler and runtime engine. PHP Scripts are loaded into memory and compiled into Zend opcodes. These opcodes are executed and the HTML generated is sent to the client. [6] To implement a Web script interpreter requires three parts: The interpreter part analyzes the input code, translates it, and ...
A search box showing a drop-down list. MediaWiki comes pre-installed with a standard text-based search. Extensions exist to let MediaWiki use more sophisticated third-party search engines, including Elasticsearch (which since 2014 has been in use on Wikipedia), Lucene [86] and Sphinx. [87]