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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 |
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166 | $this->query_vars = wp_parse_args( $query, $this->query_var_defaults ); |
167 |
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168 | /** |
169 | * Fires after the network query vars have been parsed. |
170 | * |
171 | * @since 4.6.0 |
172 | * |
173 | * @param WP_Network_Query &$this The WP_Network_Query instance (passed by reference). |
174 | */ |
175 | do_action_ref_array( 'parse_network_query', array( &$this ) ); |
176 | } |
177 |
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178 | /** |
179 | * Sets up the WordPress query for retrieving networks. |
180 | * |
181 | * @since 4.6.0 |
182 | * @access public |
183 | * |
184 | * @param string|array $query Array or URL query string of parameters. |