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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 |
|---|---|
| 645 | * dashboard widget. |
| 646 | * |
| 647 | * @since 2.6.0 |
| 648 | * |
| 649 | * @param array $actions An array of comment actions. Default actions include: |
| 650 | * 'Approve', 'Unapprove', 'Edit', 'Reply', 'Spam', |
| 651 | * 'Delete', and 'Trash'. |
| 652 | * @param WP_Comment $comment The comment object. |
| 653 | */ |
| 654 | $actions = apply_filters( 'comment_row_actions', array_filter($actions), $comment ); |
| 655 | |
| 656 | $i = 0; |
| 657 | foreach ( $actions as $action => $link ) { |
| 658 | ++$i; |
| 659 | ( ( ('approve' == $action || 'unapprove' == $action) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | '; |
| 660 | |
| 661 | // Reply and quickedit need a hide-if-no-js span |
| 662 | if ( 'reply' == $action || 'quickedit' == $action ) { |
| 663 | $action .= ' hide-if-no-js'; |