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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 |
|---|---|
| 247 | $blog_id = (int) $blog_id; |
| 248 | $details = get_blog_details( $blog_id, false ); |
| 249 | |
| 250 | wp_cache_delete( $blog_id , 'blog-details' ); |
| 251 | wp_cache_delete( $blog_id . 'short' , 'blog-details' ); |
| 252 | wp_cache_delete( md5( $details->domain . $details->path ) , 'blog-lookup' ); |
| 253 | wp_cache_delete( 'current_blog_' . $details->domain, 'site-options' ); |
| 254 | wp_cache_delete( 'current_blog_' . $details->domain . $details->path, 'site-options' ); |
| 255 | |
| 256 | do_action( 'refresh_blog_details', $blog_id ); |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Update the details for a blog. Updates the blogs table for a given blog id. |
| 261 | * |
| 262 | * @since MU |
| 263 | * |
| 264 | * @param int $blog_id Blog ID |
| 265 | * @param array $details Array of details keyed by blogs table field names. |