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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 |
---|---|
2534 |
|
2535 | if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) : |
2536 |
|
2537 | echo $args['must_log_in']; |
2538 | /** |
2539 | * Fires after the HTML-formatted 'must log in after' message in the comment form. |
2540 | * |
2541 | * @since 3.0.0 |
2542 | */ |
2543 | do_action( 'comment_form_must_log_in_after' ); |
2544 |
|
2545 | else : |
2546 |
|
2547 | printf( |
2548 | '<form action="%s" method="post" id="%s" class="%s"%s>', |
2549 | esc_url( $args['action'] ), |
2550 | esc_attr( $args['id_form'] ), |
2551 | esc_attr( $args['class_form'] ), |
2552 | ( $html5 ? ' novalidate' : '' ) |