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pre_get_main_site_id › WordPress Filter Hooks

Since4.9.0
Deprecatedn/a
› apply_filters( 'pre_get_main_site_id', null, $this )
Parameters: (2)
  • (int|null) $main_site_id If a positive integer is returned, it is interpreted as the main site ID.
    Required: Yes
  • (WP_Network) $network The network object for which the main site was detected.
    Required: Yes
Defined at:
Codex:

Filters the main site ID.

Returning a positive integer will effectively short-circuit the function.



Related Functions: get_main_site_id, get_main_network_id, wp_get_duotone_filter_id, wp_get_sites, is_main_site, wp_get_admin_notice


Related Hooks: pre_get_sites, pre_get_document_title, pre_get_site_by_path, pre_get_space_used, pre_get_avatar_data

Source 

$main_site_id = (int) apply_filters( 'pre_get_main_site_id', null, $this );