Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

PHP

PHP is a general-purpose scripting language geared towards web development. It was created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by the PHP Group. PHP was originally an abbreviation of Personal Home Page, but it now stands for the recursive backronym PHP: Hypertext…

History, Community & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around PHP. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Designed by
Rasmus Lerdorf
Developer
The PHP Development Team, Zend Technologies, PHP Foundation
Filename extensions
.php,.phar,.phtml,.pht,.phps
First appeared
8 June 1995; 31 years ago (1995-06-08)
Implementation language
C (primarily; some components in C++)
License
Modified BSD License

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Mascot

Syntax

Implementations

Licensing

Development and community

The PHP Foundation

Installation and configuration

Use

Security

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

PHP

Nodes285
Edges284
Triples284
Avg. degree1.99
Density0.007018
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

PHP

Top relations

related to Development and community · 25
PHP → Adobe Flash, File Transfer Protocol, FTP, Internet Relay Chat, Internet-aware, IRC, JavaScript, LDAP, Library, Microsoft SQL Server, Most, MySQL, Numerous, Other PHP, PDO, PECL, PHP Data Objects, PHP-GTK, PostgreSQL, Some
related to Installation and configuration · 21
PHP → Apache HTTP Server, Caddy, CGI, Common Gateway Interface, FastCGI, FastCGI Process Manager, FrankenPHP, If PHP, Interface, Internet Server Application Programming, ISAPI, Microsoft IIS, Microsoft's, OmniHTTPd, PHP's CGI, PHP-FPM, SAPI, Some, There, Web Server
related to Use · 21
PHP → Any PHP, CakePHP, CodeIgniter, GUI, It, Laminas, Laravel, Microsoft's ASP, Most, NET, Originally, Phalcon, PHP Group, PRADO, Python, RAD, RDBMS, Some, Sun Microsystems' JavaServer Pages, Symfony
related to history · 18
PHP → An, Beginning, CGI, Common Gateway Interface, December, Every, He, HTML, June, No, Once, Personal Home Page/Forms Interpreter, PHP Development Team, PHP/FI, Rasmus Lerdorf, RFC, The PHP, Under
related to PHP 3 and 4 (1998 to 2004) · 16
PHP → Afterwards, Andi Gutmans, By August, Gutmans, Hypertext Preprocessor, Israel, June, May, On, PHP's, Ramat Gan, Suraski, They, Zeev Suraski, Zend Engine, Zend Technologies
related to PHP 7.x (2015 to 2019) · 16
PHP → After, Because, By, Changes, Dmitry Stogov, During, It, JIT, July, Nikita Popov, The, Unicode, While, WordPress-based, Xinchen Hui, Zend Engine
related to Implementations · 15
PHP → Alternative PHP Cache, An, Another, APC, Due, It, PECL, PHP's, The, The Zend Engine, To, Zend, Zend Engine, Zend Opcache, Zend PHP
related to PHP objects · 13
PHP → ArrayAccess, Basic, Furthermore, In, It, Iterator, IteratorAggregate, Object, Objects, PHP's, The, There, This
related to PHP 6 and Unicode · 12
PHP → Andrei Zmievski, As, However, ICU, In, Initial, International Components, March, PHP's, Since, Unicode, UTF-16
related to Popularity and usage statistics · 11
PHP → As, Drupal, January, Joomla, MediaWiki, Moodle, Platform, Publish, SilverStripe, Web, WordPress

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

web language used zend type also code function server support release extensions functions development using released versions programming version new

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
PHPDesigned byRasmus Lerdorf1.00infobox
PHPDeveloperThe PHP Development Team, Zend Technologies, PHP Foundation1.00infobox
PHPFilename extensions.php,.phar,.phtml,.pht,.phps1.00infobox
PHPFirst appeared8 June 1995; 31 years ago (1995-06-08)1.00infobox
PHPImplementation languageC (primarily; some components in C++)1.00infobox
PHPLicenseModified BSD License1.00infobox
PHPOSUnix-like, Windows, macOS, IBM i, OpenVMS, IBM Z1.00infobox
PHPParadigmMulti-paradigm: imperative, functional, object-oriented, procedural, reflective1.00infobox
PHPStable release8.5.9 / 30 July 2026; 25 days ago (30 July 2026)1.00infobox
PHPTyping disciplineDynamic, weak, gradual1.00infobox
PHPWebsitewww.php.net1.00infobox
PHPis ageneral-purpose scripting language geared towards web development0.90text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.