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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 |
|---|---|
| 3876 | |
| 3877 | $_value = $value; |
| 3878 | $value = maybe_serialize( $value ); |
| 3879 | $result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $value ), array( 'site_id' => $wpdb->siteid, 'meta_key' => $option ) ); |
| 3880 | $value = $_value; |
| 3881 | } |
| 3882 | |
| 3883 | if ( $result ) { |
| 3884 | do_action( "update_site_option_{$option}", $option, $value ); |
| 3885 | do_action( "update_site_option", $option, $value ); |
| 3886 | return true; |
| 3887 | } |
| 3888 | return false; |
| 3889 | } |
| 3890 | |
| 3891 | /** |
| 3892 | * Delete a site transient |
| 3893 | * |
| 3894 | * @since 2.9.0 |