This functions enable you to get a lot of information about PHP itself,
e.g. runtime configuration, loaded extensions, version and much more.
You'll also find functions to set options for your running PHP.
The probably best known function of PHP - phpinfo() -
can be found here.
Use the current setting of error_reporting() during
assertion expression evaluation. If enabled, no errors are shown
(implicit error_reporting(0)) while evaluation. If disabled, errors are
shown according to the settings of error_reporting()
This directive is really only useful in the Apache module
version of PHP. You can turn dynamic loading of
PHP extensions with dl() on and
off per virtual server or per directory.
The main reason for turning dynamic loading off is
security. With dynamic loading, it's possible to ignore all
The default is to allow dynamic loading, except when using
safe mode. In safe mode, it's
always impossible to use dl().
Sets the magic_quotes state for GPC (Get/Post/Cookie)
operations. When magic_quotes are on, all ' (single-quote),
" (double quote), \ (backslash) and NUL's are escaped
with a backslash automatically.
magic_quotes_sybase directive is also ON it will
completely override magic_quotes_gpc. Having both directives
enabled means only single quotes are escaped as
''. Double quotes, backslashes and
NUL's will remain untouched and unescaped.
If magic_quotes_runtime is enabled,
most functions that return data from any sort of external
source including databases and text files will have quotes
escaped with a backslash. If
is also on, a single-quote is escaped with a single-quote instead
of a backslash.
General credits: Language design and concept, PHP
authors and SAPI module.
A list of the server API modules for PHP, and their authors.
A list of the extension modules for PHP, and their authors.
The credits for the documentation team.
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
The credits for the quality assurance team.
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.