PHP 5.4.31 Released

get_cfg_var

(PHP 4, PHP 5)

get_cfg_varGets the value of a PHP configuration option

Descrierea

string get_cfg_var ( string $option )

Gets the value of a PHP configuration option.

This function will not return configuration information set when the PHP was compiled, or read from an Apache configuration file.

To check whether the system is using a configuration file, try retrieving the value of the cfg_file_path configuration setting. If this is available, a configuration file is being used.

Parametri

option

The configuration option name.

Valorile întoarse

Returns the current value of the PHP configuration variable specified by option, or FALSE if an error occurs.

Istoria schimbărilor

Versiunea Descriere
5.3.0 get_cfg_var() was fixed to be able to return "array" ini options.

Vedeți de asemenea

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User Contributed Notes 5 notes

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2
surfchen at gmail dot com
7 years ago
get_cfg_var returns the value from php.ini directly,while the ini_get returns   the runtime config value. I have tried it on PHP 5.1.6

[EDIT by danbrown AT php DOT net: The author of this note means that ini_get() will return values set by ini_set(), .htaccess, a local php.ini file, and other functions at runtime.  Conversely, get_cfg_var() will return strictly the server php.ini.]
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0
tbrix13 at uzitech dot com
1 month ago
keep in mind get_cfg_var() returns a string(1) '1' for the value: On

<?php
//in php.ini
//A = On

$A1 = get_cfg_var("A") === "On";
$A2 = get_cfg_var("A") === 1;
$A3 = get_cfg_var("A") === "1";

//$A1 is false
//$A2 is false
//$A3 is true
?>
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0
techno dot rahul1988 at gmail dot com
2 months ago
The difference between ini_get() and get_cfg_var() is as follows:
@) ini_get(): returns the current value in .htaccess or as defined in PHP_INI_USER or PHP_INI_PERDIR
@) get_cfg_var: returns the values defined in the php.ini
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0
gabriel b
1 year ago
settings with the value of 'yes' will be returned as '1'.

<?php
//#my ini file
//A = 1
//B = any-thing
//C = yes
//D = /some/path/file

get_cfg_var('A') // returns '1'
get_cfg_var('B') // returns 'any-thing'
get_cfg_var('C') // returns '1', wait, why?
get_cfg_var('D') // returns '/some/path/file'
?>

I had my setting = yes and then checked it as ==="yes" for epic fail.
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0
Stephen
7 years ago
Regarding the statement by the earlier poster that:

"Unfortunately, you almost never want to know the original value in the config file. Instead, you want to know the value currently in effect."

I have found this useful for changing the error reporting levels for a few specific pages while testing. I turn on all error_reporting while testing, but for a few pages I want to turn off notices. So, I put this at the top of the page:

<?php
error_reporting
(8183);
?>

and this at the bottom:

<?php
error_reporting
(get_cfg_var('error_reporting'));
?>

to put it back to whatever default I had at the time.
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