Differences between PHP_INI_SYSTEM and PHP_INI_ALL

The configuration variables that can be set in ini_set are explained as follows: commands with the modifiable range of PHP_INI_PERDIR can be modified in the php. ini, httpd. conf, and. htaccess files. The modifiable command range is PHP_INI_SYSTEM. ini, httpd. MODIFY... "/> <scripttype = the configuration variables that can be set for ini_set are explained as follows: commands with the modifiable range of PHP_INI_PERDIR can be run in php. ini, httpd. conf ,. in the htaccess file. The command with the modifiable range of PHP_INI_SYSTEM can be modified in the php. ini and httpd. conf files. the command with the modifiable range of PHP_INI_ALL can be modified with int_set.