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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2360 | $output = implode(' ', $attributes); |
| 2361 | |
| 2362 | /** |
| 2363 | * Filter the language attributes for display in the html tag. |
| 2364 | * |
| 2365 | * @since 2.5.0 |
| 2366 | * |
| 2367 | * @param string $output A space-separated list of language attributes. |
| 2368 | */ |
| 2369 | echo apply_filters( 'language_attributes', $output ); |
| 2370 | } |
| 2371 | |
| 2372 | /** |
| 2373 | * Retrieve paginated link for archive post pages. |
| 2374 | * |
| 2375 | * Technically, the function can be used to create paginated link list for any |
| 2376 | * area. The 'base' argument is used to reference the url, which will be used to |
| 2377 | * create the paginated links. The 'format' argument is then used for replacing |
| 2378 | * the page number. It is however, most likely and by default, to be used on the |