WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 6286 | } |
| 6287 | |
| 6288 | /** |
| 6289 | * Filters the main network ID. |
| 6290 | * |
| 6291 | * @since 4.3.0 |
| 6292 | * |
| 6293 | * @param int $main_network_id The ID of the main network. |
| 6294 | */ |
| 6295 | return (int) apply_filters( 'get_main_network_id', $main_network_id ); |
| 6296 | } |
| 6297 | |
| 6298 | /** |
| 6299 | * Determines whether site meta is enabled. |
| 6300 | * |
| 6301 | * This function checks whether the 'blogmeta' database table exists. The result is saved as |
| 6302 | * a setting for the main network, making it essentially a global setting. Subsequent requests |
| 6303 | * will refer to this setting instead of running the query. |
| 6304 | * |