get_main_network_id

apply_filters('get_main_network_id') is found 1 times:

• /wp-includes/functions.php line 6446

  	 * @since 4.3.0
  	 *
  	 * @param int $main_network_id The ID of the main network.
  	 */
  	return (int) apply_filters( 'get_main_network_id', $main_network_id );
  }
  
  /**
   * Determines whether site meta is enabled.
   *
   * This function checks whether the 'blogmeta' database table exists. The result is saved as
  

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