Add hook type "action" or "filter" to archive and search result pages

[keesiemeijer]

In the search results, or archive pages, the description of hooks include the word "Hook:". To better differentiate between the two hook types the word "filter", or "action" should be included.

See this link ​https://developer.wordpress.org/?s=get&post_type[]=wp-parser-hook

[keesiemeijer]

Add hook type with get_the_excerpt filter

[coffee2code]

In 2290:

developer.wordpress.org: Add hook type "action" or "filter" to archive and search result pages.

• Prepend "Action Hook" or "Filter Hook" to archive and search results, as appropriate.
• Add get_hook_type() to return type of hook.

Props keesiemeijer.
Fixes #1506.

[keesiemeijer]

Add filter and action reference hooks

[keesiemeijer]

Patch 1506.1 adds the types action_reference and filter_reference returned by the get_hook_type() function.

Fixes missing hook types for do_action_ref_array and apply_filters_ref_array

[DrewAPicture]

1506.1.patch​ Looks good.

[drewapicture]

In 2799:

developer.wordpress.org: Add support for the 'filter_reference' and 'action_reference' hook types when displaying the "Action|Filter Hook" prefix on archive and search pages.

• See [2290] for where the prefix text was introduced for the 'action' and 'filter' hook types.

Props keesiemeijer.
Fixes #1506.