Predefined Constants

The constants below are always available as part of the PHP core.

**Pre-defined phpcredits() constants**
Constant	Value	Description
`CREDITS_GROUP`	1	A list of the core developers
`CREDITS_GENERAL`	2	General credits: Language design and concept, PHP authors and SAPI module.
`CREDITS_SAPI`	4	A list of the server API modules for PHP, and their authors.
`CREDITS_MODULES`	8	A list of the extension modules for PHP, and their authors.
`CREDITS_DOCS`	16	The credits for the documentation team.
`CREDITS_FULLPAGE`	32	Usually used in combination with the other flags. Indicates that a complete stand-alone HTML page needs to be printed including the information indicated by the other flags.
`CREDITS_QA`	64	The credits for the quality assurance team.
`CREDITS_ALL`	-1	All the credits, equivalent to using: CREDITS_DOCS + CREDITS_GENERAL + CREDITS_GROUP + CREDITS_MODULES + CREDITS_QA CREDITS_FULLPAGE. It generates a complete stand-alone HTML page with the appropriate tags. This is the default value.

**phpinfo() constants**
Constant	Value	Description
`INFO_GENERAL`	1	The configuration line, `php.ini` location, build date, Web Server, System and more.
`INFO_CREDITS`	2	PHP Credits. See also phpcredits().
`INFO_CONFIGURATION`	4	Current Local and Master values for PHP directives. See also ini_get().
`INFO_MODULES`	8	Loaded modules and their respective settings.
`INFO_ENVIRONMENT`	16	Environment Variable information that's also available in `$_ENV`.
`INFO_VARIABLES`	32	Shows all predefined variables from EGPCS (Environment, GET, POST, Cookie, Server).
`INFO_LICENSE`	64	PHP License information. See also the » license faq.
`INFO_ALL`	-1	Shows all of the above. This is the default value.