mbstring.regex_stack_limit

INI • Added in PHP 7.3

mbstring: mbstring.regex_stack_limit — This directive specifies maximum stack depth for mbstring regular expressions. It is similar to the pcre.recursion_limit for PCRE.

Default value 100000
Development value 100000
Production value 100000

Modifiability: INI_ALL - The mbstring.regex_stack_limit INI directive can be configured anywhere, including php.ini files, ini_set calls, Apache .htaccess files, per-directory .ini files, etc.

PHP 5
PHP 7.0-7.2
PHP 7.3
Added
PHP 7.4
PHP 8.0
PHP 8.1-8.2
PHP 8.3-8.4
PHP 8.5
PHP 8.6 
[mbstring]
mbstring.regex_stack_limit = 100000

Changes to the mbstring.regex_stack_limit INI

PHP 7.3

  • INI directive added

mbstring.regex_stack_limit INI Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Supported Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Security-Fixes Only Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported No
PHP 7.1Unsupported No
PHP 7.0Unsupported No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No