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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 |
|---|---|
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * Fires after a site is retrieved. |
| 320 | * |
| 321 | * @since 4.6.0 |
| 322 | * |
| 323 | * @param WP_Site $_site Site data. |
| 324 | */ |
| 325 | $_site = apply_filters( 'get_site', $_site ); |
| 326 | |
| 327 | return $_site; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Adds any sites from the given ids to the cache that do not already exist in cache. |
| 332 | * |
| 333 | * @since 4.6.0 |
| 334 | * @since 5.1.0 Introduced the `$update_meta_cache` parameter. |