mbstring.func_overload

INIRemoved in PHP 8.0

mbstring: mbstring.func_overload — overload(replace) single byte functions by mbstring functions. mail(), ereg(), etc are overloaded by mb_send_mail(), mb_ereg(), etc. Possible values are 0,1,2,4 or combination of them. For example, 7 for overload everything. 0: No overload 1: Overload mail() function 2: Overload str() functions 4: Overload ereg() functions

Default value 0
Development value 0
Production value 0

Modifiability: INI_SYSTEM - The mbstring.func_overload INI directive directive is a system-directive, and can only be configured in php.ini files or Server-API configuration files such as Apache httpd.conf. It cannot be configured with ini_set calls.

PHP 5
PHP 7
PHP 8.0
Removed
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
PHP 8.5
[mbstring]
mbstring.func_overload = 0

Changes to the mbstring.func_overload INI

PHP 8.0

  • INI directive removed

mbstring.func_overload INI Availability

PHP VersionAvailability
PHP 8.5Future Release No
PHP 8.4Upcoming Release No
PHP 8.3Supported (Latest) No
PHP 8.2Supported No
PHP 8.1Security-Fixes Only No
PHP 8.0Unsupported No
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes