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Source View: default_site_option_{$option}

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This hook occurs 3 times in this file.

Line Code
1141            * @since 3.4.0
1142            * @since 4.4.0 The `$option` parameter was added.
1143            * @since 4.7.0 The `$network_id` parameter was added.
1144            *
1145            * @param mixed  $default    The value to return if the site option does not exist
1146            *                           in the database.
1147            * @param string $option     Option name.
1148            * @param int    $network_id ID of the network.
1149            */
1150           return apply_filters( "default_site_option_{$option}", $default, $option, $network_id );
1151      }
1152
1153      if ( ! is_multisite() ) {
1154           /** This filter is documented in wp-includes/option.php */
1155           $default = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id );
1156           $value = get_option( $option, $default );
1157      } else {
1158           $cache_key = "$network_id:$option";
1159           $value = wp_cache_get( $cache_key, 'site-options' );
1160
1161           if ( ! isset( $value ) || false === $value ) {
1162                $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );
1163
1164                // Has to be get_row instead of get_var because of funkiness with 0, false, null values
 
Line Code
1168                     wp_cache_set( $cache_key, $value, 'site-options' );
1169                } else {
1170                     if ( ! is_array( $notoptions ) ) {
1171                          $notoptions = array();
1172                     }
1173                     $notoptions[ $option ] = true;
1174                     wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
1175
1176                     /** This filter is documented in wp-includes/option.php */
1177                     $value = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id );
1178                }
1179           }
1180      }
1181
1182      /**
1183       * Filters the value of an existing network option.
1184       *
1185       * The dynamic portion of the hook name, `$option`, refers to the option name.
1186       *