Filters in WordPress – Powerful, Flexible Silent Modifiers

Filters in WordPress As its name, its uses to filter and modify internal data. They don’t use to contribute some output. They are just data modifiers.

If you see the definition of add_filter(). You will release it’s 101% similar to add_action in WordPress.

add_filter( string $hook_name, callable $callback, int $priority = 10, int $accepted_args = 1 )

If you are not familiar with add_action in