Function Filter

Text filter for replace tokens [function:*] on function result.

Installation:

1. Install module
2. Enable filter "Function filter" on text format form.

Usage:

1. Implements hook_filter_functions():

function mymodule_filter_functions() {
  return [
    'current_date' => [
      'function' => 'mymodule_current_date',
      'cache' => FALSE,
    ],
  ];
}

2. Write mymodule_current_date() function:

function mymodule_current_date($format = 'r') {
  return date($format);
}

3. Add in text token [function:current_date:d.m.Y] or [function:current_date].