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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 |
---|---|
223 | if ( ! $get_all ) { |
224 | wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
225 | return $details; |
226 | } |
227 |
|
228 | $details->blogname = get_blog_option( $blog_id, 'blogname' ); |
229 | $details->siteurl = get_blog_option( $blog_id, 'siteurl' ); |
230 | $details->post_count = get_blog_option( $blog_id, 'post_count' ); |
231 |
|
232 | $details = apply_filters( 'blog_details', $details ); |
233 |
|
234 | wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
235 |
|
236 | $key = md5( $details->domain . $details->path ); |
237 | wp_cache_set( $key, $details, 'blog-lookup' ); |
238 |
|
239 | return $details; |
240 | } |
241 |
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