2.8.19. Disabling PHP Functions

If a disabled function is called in a script, it will return awarning E_WARNING, the script does not stop executing.

Parameter disable_functions allows you to disable only internal functions PHP, it does not affect user-defined functions. With its help, for example, you can prevent site scripts from sending mail using the function mail or block the ability to use functions like exec and shell_exec.

  1. Openup PHP settings.
  2. In field "disable_functions" list the names of the functions to be disabled, separated by commas, and save the changes:
  3. Wait approximately 10-15 minutes for the changes to take effect.

To resume the disabled functions, delete them from the list, re-save the settings and wait for the changes to take effect.