PHP is an open-source server-side scripting language widely used to build dynamic websites and web applications.
Interest in What Is PHP has brought attention to questions about the story, the available evidence and what readers should check next. This report separates documented information from speculation so readers can understand the topic without confusing search interest with confirmed developments.
What PHP stands for
PHP is a recursive acronym for PHP: Hypertext Preprocessor. It is a server-side programming language designed for web development, though it also supports command-line programs and other applications.
How PHP works
A web server can execute PHP code to read inputs, communicate with a database, select content and generate an HTML response. Visitors generally see the resulting web page rather than the server-side program.
Why WordPress uses PHP
WordPress is built with PHP. Themes and plugins use it to assemble pages, interact with the WordPress database and provide site functionality. A content editor does not need to write PHP to publish a normal article.
PHP compared with JavaScript
PHP commonly operates on the server. JavaScript can run inside the visitor’s browser, although server-side JavaScript also exists. Many applications use both languages for different responsibilities.
Security and maintenance
Running supported PHP versions, updating dependencies, validating input and using parameterized database queries help reduce avoidable security risks. Production websites should also have backups and properly configured permissions.
Where to learn more
The official PHP manual provides installation guidance, language documentation and information about supported releases.
Bottom line
The central facts and remaining uncertainties should be considered together. The official PHP manual explains current syntax, supported versions and security guidance.
Sources and further reading
Primary or reference source (accessed October 22, 2026).