network_domain_check() – Check for an existing network.

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Description

Check for an existing network.

Usage

$string|false = network_domain_check();

Parameters

Returns

string|false Base domain if network exists, otherwise false.

Source

File name: wordpress/wp-admin/includes/network.php
Lines:

1 to 9 of 9
function network_domain_check() {
  global $wpdb;

  $sql = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) );
  if ( $wpdb->get_var( $sql ) ) {
    return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
  }
  return false;
}
 

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