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PHP Options/Info
PHP Manual

# 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)

Resource Types
PHP Options/Info Functions
PHP Options/Info
PHP Manual