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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 |
---|---|
2642 |
|
2643 | if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) : |
2644 |
|
2645 | echo $args['must_log_in']; |
2646 | /** |
2647 | * Fires after the HTML-formatted 'must log in after' message in the comment form. |
2648 | * |
2649 | * @since 3.0.0 |
2650 | */ |
2651 | do_action( 'comment_form_must_log_in_after' ); |
2652 |
|
2653 | else : |
2654 |
|
2655 | printf( |
2656 | '<form action="%s" method="post" id="%s" class="%s"%s>', |
2657 | esc_url( $args['action'] ), |
2658 | esc_attr( $args['id_form'] ), |
2659 | esc_attr( $args['class_form'] ), |
2660 | ( $html5 ? ' novalidate' : '' ) |