how can a custom content filter be added in wordpress

 

 
 
 
 
 
 
 

how can a custom content filter be added in wordpress

How can a custom content filter be added?
Use the right option from the following

  1. by using add_action(‘the_content’,’my_custom_filter’)
  2. by using add_filter(‘the_content’,’my_custom_filter’)
  3. by using wp_filter(‘the_content’,’my_custom_filter’)
  4. by using add_action(‘content’,’my_custom_filter’)

The right answer:
by using add_filter(‘the_content’,’my_custom_filter’)