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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 |
|---|---|
| 222 | restore_current_blog(); |
| 223 | |
| 224 | /** |
| 225 | * Filter a blog's details. |
| 226 | * |
| 227 | * @since MU |
| 228 | * |
| 229 | * @param object $details The blog details. |
| 230 | */ |
| 231 | $details = apply_filters( 'blog_details', $details ); |
| 232 | |
| 233 | wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
| 234 | |
| 235 | $key = md5( $details->domain . $details->path ); |
| 236 | wp_cache_set( $key, $details, 'blog-lookup' ); |
| 237 | |
| 238 | return $details; |
| 239 | } |
| 240 | |