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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 |
---|---|
254 | clean_blog_cache( $details ); |
255 |
|
256 | /** |
257 | * Fires after the blog details cache is cleared. |
258 | * |
259 | * @since 3.4.0 |
260 | * |
261 | * @param int $blog_id Blog ID. |
262 | */ |
263 | do_action( 'refresh_blog_details', $blog_id ); |
264 | } |
265 |
|
266 | /** |
267 | * Update the details for a blog. Updates the blogs table for a given blog id. |
268 | * |
269 | * @since MU |
270 | * |
271 | * @param int $blog_id Blog ID |
272 | * @param array $details Array of details keyed by blogs table field names. |