PHP: Hypertext Preprocessor (original) (raw)

Where a configuration setting may be set

These modes determine when and where a PHP directive may or may not be set, and each directive within the manual refers to one of these modes. For example, some settings may be set within a PHP script using ini_set(), whereas others may requirephp.ini or httpd.conf.

For example, theoutput_buffering setting is [INI_PERDIR](info.constants.php#constant.ini-perdir) therefore it may not be set usingini_set(). However, thedisplay_errors directive is**[INI_ALL](info.constants.php#constant.ini-all)** therefore it may be set anywhere, including with ini_set().

INI mode constants

[INI_USER](info.constants.php#constant.ini-user) (int)

Entry can be set in user scripts (like with ini_set()) or in the Windows registry. Entry can be set in .user.ini

[INI_PERDIR](info.constants.php#constant.ini-perdir) (int)

Entry can be set in php.ini, .htaccess, httpd.conf or .user.ini

[INI_SYSTEM](info.constants.php#constant.ini-system) (int)

Entry can be set in php.ini or httpd.conf

[INI_ALL](info.constants.php#constant.ini-all) (int)

Entry can be set anywhere

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