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 |
|---|---|
| 1339 | * @param mixed $pre_option The value to return instead of the option value. This differs |
| 1340 | * from `$default`, which is used as the fallback value in the event |
| 1341 | * the option doesn't exist elsewhere in get_network_option(). |
| 1342 | * Default false (to skip past the short-circuit). |
| 1343 | * @param string $option Option name. |
| 1344 | * @param int $network_id ID of the network. |
| 1345 | * @param mixed $default The fallback value to return if the option does not exist. |
| 1346 | * Default false. |
| 1347 | */ |
| 1348 | $pre = apply_filters( "pre_site_option_{$option}", false, $option, $network_id, $default ); |
| 1349 | |
| 1350 | if ( false !== $pre ) { |
| 1351 | return $pre; |
| 1352 | } |
| 1353 | |
| 1354 | // Prevent non-existent options from triggering multiple queries. |
| 1355 | $notoptions_key = "$network_id:notoptions"; |
| 1356 | $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); |
| 1357 | |