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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 |
|---|---|
| 380 | /** |
| 381 | * Filters the action links displayed next the sites a user belongs to |
| 382 | * in the Network Admin Users list table. |
| 383 | * |
| 384 | * @since 3.1.0 |
| 385 | * |
| 386 | * @param string[] $actions An array of action links to be displayed. Default 'Edit', 'View'. |
| 387 | * @param int $userblog_id The site ID. |
| 388 | */ |
| 389 | $actions = apply_filters( 'ms_user_list_site_actions', $actions, $val->userblog_id ); |
| 390 | |
| 391 | $i = 0; |
| 392 | $action_count = count( $actions ); |
| 393 | foreach ( $actions as $action => $link ) { |
| 394 | ++$i; |
| 395 | $sep = ( $i == $action_count ) ? '' : ' | '; |
| 396 | echo "<span class='$action'>$link$sep</span>"; |
| 397 | } |
| 398 | echo '</small></span><br/>'; |