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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 |
|---|---|
| 429 | /** |
| 430 | * Filters the action links displayed next the sites a user belongs to |
| 431 | * in the Network Admin Users list table. |
| 432 | * |
| 433 | * @since 3.1.0 |
| 434 | * |
| 435 | * @param string[] $actions An array of action links to be displayed. Default 'Edit', 'View'. |
| 436 | * @param int $userblog_id The site ID. |
| 437 | */ |
| 438 | $actions = apply_filters( 'ms_user_list_site_actions', $actions, $site->userblog_id ); |
| 439 | |
| 440 | $action_count = count( $actions ); |
| 441 | |
| 442 | $i = 0; |
| 443 | |
| 444 | foreach ( $actions as $action => $link ) { |
| 445 | ++$i; |
| 446 | |
| 447 | $separator = ( $i < $action_count ) ? ' | ' : ''; |