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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 |
|---|---|
| 414 | /** |
| 415 | * Filters the action links displayed next the sites a user belongs to |
| 416 | * in the Network Admin Users list table. |
| 417 | * |
| 418 | * @since 3.1.0 |
| 419 | * |
| 420 | * @param string[] $actions An array of action links to be displayed. Default 'Edit', 'View'. |
| 421 | * @param int $userblog_id The site ID. |
| 422 | */ |
| 423 | $actions = apply_filters( 'ms_user_list_site_actions', $actions, $val->userblog_id ); |
| 424 | |
| 425 | $action_count = count( $actions ); |
| 426 | |
| 427 | $i = 0; |
| 428 | |
| 429 | foreach ( $actions as $action => $link ) { |
| 430 | ++$i; |
| 431 | |
| 432 | $sep = ( $i < $action_count ) ? ' | ' : ''; |