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do_action_ref_array( 'pre_get_networks', WP_Network_Query $this )

Fires before networks are retrieved.

$this: (WP_Network_Query) Current instance of WP_Network_Query (passed by reference).

Used By	Description
wp-includes/class-wp-network-query.php: WP_Network_Query::get_networks()	Gets a list of networks matching the query vars.

Version	Description
4.6.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/pre_get_networks