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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 |
|---|---|
| 633 | /** |
| 634 | * Filters the default site display states for items in the Sites list table. |
| 635 | * |
| 636 | * @since 5.3.0 |
| 637 | * |
| 638 | * @param string[] $site_states An array of site states. Default 'Main', |
| 639 | * 'Archived', 'Mature', 'Spam', 'Deleted'. |
| 640 | * @param WP_Site $site The current site object. |
| 641 | */ |
| 642 | $site_states = apply_filters( 'display_site_states', $site_states, $_site ); |
| 643 | |
| 644 | if ( ! empty( $site_states ) ) { |
| 645 | $state_count = count( $site_states ); |
| 646 | |
| 647 | $i = 0; |
| 648 | |
| 649 | echo ' — '; |
| 650 | |
| 651 | foreach ( $site_states as $state ) { |