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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 |
|---|---|
| 2237 | else |
| 2238 | $scheme = ( is_ssl() ? 'https' : 'http' ); |
| 2239 | } |
| 2240 | |
| 2241 | if ( 'relative' == $scheme ) |
| 2242 | $url = preg_replace( '#^.+://[^/]*#', '', $url ); |
| 2243 | else |
| 2244 | $url = preg_replace( '#^.+://#', $scheme . '://', $url ); |
| 2245 | |
| 2246 | return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme ); |
| 2247 | } |
| 2248 | |
| 2249 | /** |
| 2250 | * Get the URL to the user's dashboard. |
| 2251 | * |
| 2252 | * If a user does not belong to any site, the global user dashboard is used. If the user belongs to the current site, |
| 2253 | * the dashboard for the current site is returned. If the user cannot edit the current site, the dashboard to the user's |
| 2254 | * primary blog is returned. |
| 2255 | * |