Podręcznik PHP
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# LXXXII. PHP Options&Information

# Wprowadzenie

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.

# Wymagania

Do zbudowania tego rozszerzenia nie są wymagane żadne zewnętrzne biblioteki.

# Instalacja

By używać tych funkcji, nie trzeba niczego instalować. Są one częścią jądra PHP.

# Konfiguracja startowa

Na działanie tych funcji wpływają ustawienia zawarte w pliku `php.ini`.

Tabela 1. PHP Options/Inf Configuration Options

Name | Default | Changeable
--- | --- | ---
assert.active | "1" | PHP_INI_ALL
assert.bail | "0" | PHP_INI_ALL
assert.warning | "1" | PHP_INI_ALL
assert.callback | NULL | PHP_INI_ALL
assert.quiet_eval | "0" | PHP_INI_ALL
enable_dl | "1" | PHP_INI_SYSTEM
max_execution_time | "30" | PHP_INI_ALL
max_input_time | "60" | PHP_INI_ALL
magic_quotes_gpc | "1" | PHP_INI_PERDIR|PHP_INI_SYSTEM
magic_quotes_runtime | "0" | PHP_INI_ALL

For further details and definition of the PHP_INI_* constants see ini_set().

Oto krótkie wyjaśnienie dyrektyw konfiguracji.

`assert.active` boolean

  Enable assert() evaluation.

`assert.bail` boolean

  Terminate script execution on failed assertions.

`assert.warning` boolean

  Issue a `PHP` warning for each failed assertion.

`assert.callback` string

  user function to call on failed assertions

`assert.quiet_eval` boolean

  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()

`enable_dl` boolean

  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 open_basedir restrictions. The default is to allow dynamic loading, except when using tryb bezpieczny. In tryb bezpieczny, it's always impossible to use dl().

`max_execution_time` integer

  This sets the maximum time in seconds a script is allowed to run before it is terminated by the parser. This helps prevent poorly written scripts from tying up the server. The default setting is `30`.

  The maximum execution time is not affected by system calls, stream operations etc. Please see the set_time_limit() function for more details.

  You can not change this setting with ini_set() when running in tryb bezpieczny. The only workaround is to turn off safe mode or by changing the time limit in the `php.ini`.

`max_input_time` integer

  This sets the maximum time in seconds a script is allowed to receive input data, like POST, GET and file uploads. The default setting is `60`.

`magic_quotes_gpc` boolean

  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.

  > Notatka: If the 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.

  See also get_magic_quotes_gpc()

`magic_quotes_runtime` boolean

  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 magic_quotes_sybase is also on, a single-quote is escaped with a single-quote instead of a backslash.

# Typy zasobów

To rozszerzenie nie posiada żadnych rodzajów zasobów.

# Predefiniowane stałe

Poniższe stałe są częścią jądra PHP a więc są zawsze widoczne.

Tabela 2. 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 4.0 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 the 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.

Tabela 3. 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 4 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)

Poprzedni | Spis treści | Następny
pfpro_version | Początek rozdziału | assert_options