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Source View: delete_site_option_{$option}

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
3930           if ( is_null( $row ) || !$row->meta_id )
3931                return false;
3932           $cache_key = "{$wpdb->siteid}:$option";
3933           wp_cache_delete( $cache_key, 'site-options' );
3934
3935           $result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
3936      }
3937
3938      if ( $result ) {
3939           do_action( "delete_site_option_{$option}", $option );
3940           do_action( "delete_site_option", $option );
3941           return true;
3942      }
3943      return false;
3944 }
3945
3946 /**
3947  * Update the value of a site option that was already added.
3948  *