How to set for specific directory open_basedir

You can set the open_basedir configuration option in the PHP configuration file (php.ini) to specify a specific directory for the open_basedir setting. The directive can be set to a single directory or a list of directories separated by a colon (:).

Example:

open_basedir = "/var/www/html/myapp:/tmp"

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This will set the open_basedir to allow access to only the /var/www/html/myapp and /tmp directories.

You can also set open_basedir on a per-directory basis using an .htaccess file in the directory you want to restrict.

php_admin_value open_basedir "/var/www/html/myapp"

It is important to note that setting open_basedir may have an impact on the performance of your PHP application and should be used with caution.