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.

ASSERT_ACTIVE (integer)

ASSERT_CALLBACK (integer)

ASSERT_BAIL (integer)

ASSERT_WARNING (integer)

ASSERT_QUIET_EVAL (integer)