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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 |
|---|---|
| 183 | if ( ! $get_all ) { |
| 184 | wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
| 185 | return $details; |
| 186 | } |
| 187 | |
| 188 | $details->blogname = get_blog_option( $blog_id, 'blogname' ); |
| 189 | $details->siteurl = get_blog_option( $blog_id, 'siteurl' ); |
| 190 | $details->post_count = get_blog_option( $blog_id, 'post_count' ); |
| 191 | |
| 192 | $details = apply_filters( 'blog_details', $details ); |
| 193 | |
| 194 | wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
| 195 | |
| 196 | $key = md5( $details->domain . $details->path ); |
| 197 | wp_cache_set( $key, $details, 'blog-lookup' ); |
| 198 | |
| 199 | return $details; |
| 200 | } |
| 201 | |