Php/docs/pcre.configuration
From Get docs
Runtime Configuration
The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Changelog |
|---|---|---|---|
| pcre.backtrack_limit | "1000000" | PHP_INI_ALL | Available since PHP 5.2.0. |
| pcre.recursion_limit | "100000" | PHP_INI_ALL | Available since PHP 5.2.0. |
| pcre.jit | "1" | PHP_INI_ALL | Available since PHP 7.0.0. |
For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set. Here's a short explanation of the configuration directives.
pcre.backtrack_limitint- PCRE's backtracking limit. Defaults to 100000 for PHP < 5.3.7.
pcre.recursion_limitint- PCRE's recursion limit. Please note that if you set this value to a high number you may consume all the available process stack and eventually crash PHP (due to reaching the stack size limit imposed by the Operating System).
pcre.jitbool- Whether PCRE's just-in-time compilation is going to be used.
