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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 155 | $this->query_vars = wp_parse_args( $query, $this->query_var_defaults ); |
| 156 | |
| 157 | /** |
| 158 | * Fires after the network query vars have been parsed. |
| 159 | * |
| 160 | * @since 4.6.0 |
| 161 | * |
| 162 | * @param WP_Network_Query $this The WP_Network_Query instance (passed by reference). |
| 163 | */ |
| 164 | do_action_ref_array( 'parse_network_query', array( &$this ) ); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Sets up the WordPress query for retrieving networks. |
| 169 | * |
| 170 | * @since 4.6.0 |
| 171 | * |
| 172 | * @param string|array $query Array or URL query string of parameters. |
| 173 | * @return array|int List of WP_Network objects, a list of network ids when 'fields' is set to 'ids', |