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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 |
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465 | /** |
466 | * Fires immediately after a site has been removed from the object cache. |
467 | * |
468 | * @since 4.6.0 |
469 | * |
470 | * @param int $id Blog ID. |
471 | * @param WP_Site $blog Site object. |
472 | * @param string $domain_path_key md5 hash of domain and path. |
473 | */ |
474 | do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key ); |
475 |
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476 | wp_cache_set( 'last_changed', microtime(), 'sites' ); |
477 |
|
478 | /** |
479 | * Fires after the blog details cache is cleared. |
480 | * |
481 | * @since 3.4.0 |
482 | * @deprecated 4.9.0 Use clean_site_cache |
483 | * |