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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 |
|---|---|
| 915 | wp_cache_set( $cache_key, $value, 'site-options' ); |
| 916 | |
| 917 | $_value = $value; |
| 918 | $value = maybe_serialize( $value ); |
| 919 | $result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $value ), array( 'site_id' => $wpdb->siteid, 'meta_key' => $option ) ); |
| 920 | $value = $_value; |
| 921 | } |
| 922 | |
| 923 | if ( $result ) { |
| 924 | do_action( "update_site_option_{$option}", $option, $value, $oldvalue ); |
| 925 | do_action( "update_site_option", $option, $value, $oldvalue ); |
| 926 | return true; |
| 927 | } |
| 928 | return false; |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Delete a site transient. |
| 933 | * |