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Zend OPcache [9] is an open source [10] component of Zend Server and Zend Server Community Edition bundled with the PHP language itself. [7] Zend OPcache speeds up PHP execution by opcode caching and optimization. It stores precompiled script bytecode in shared memory. As of version 7.0 it can store precompiled script bytecode on disk.
ZK is a server side framework which emits HTML and thus does not depend on client side presence of Gecko making it portable to any browser. ZK takes ZUML (xul and xhtml) serverside pages as input and outputs dhtml for the browser.
To counter this, the PHP Framework Interop Group (FIG) has created The PHP Standards Recommendation (PSR) documents that have helped bring more standardization to the language since 2009. [1] The modern coding standards are contained in PSR-1 (Basic Coding Standard) [ 2 ] and PSR-2 (Coding Style Guide).
Development of the layout engine now known as Gecko began at Netscape in 1997, following the company's purchase of DigitalStyle.The existing Netscape rendering engine, originally written for Netscape Navigator 1.0 and upgraded through the years, was slow, did not comply well with W3C standards, had limited support for dynamic HTML and lacked features such as incremental reflow (when the layout ...
As of 21 January 2025 (two months after PHP 8.4's release), PHP is used as the server-side programming language on 75.0% of websites where the language could be determined; PHP 7 is the most used version of the language with 47.1% of websites using PHP being on that version, while 40.6% use PHP 8, 12.2% use PHP 5 and 0.1% use PHP 4.
The first version of the Zend Engine appeared in 1999 in PHP version 4. [3] It was written in C as a highly optimized modular back-end, which for the first time could be used in applications outside of PHP. The Zend Engine provides memory and resource management, and other standard services for the PHP language.
Zend Engine is the heart of PHP, originally written by Andi Gutmans and Zeev Suraski. The first version of Zend Engine was shipped with PHP4. Zend sponsors some developers to actively contribute to the engine, while the main development of Zend Engine today comes from contributors to the PHP project.
HHVM was created as the successor to the HipHop for PHP (HPHPc) PHP execution engine, which is a PHP-to-C++ transpiler also created by Facebook. [ 11 ] [ 12 ] Based on the gained experience and aiming to solve issues introduced by HPHPc, Meta decided in early 2010 to create a JIT-based PHP virtual machine .