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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 |
---|---|
2542 |
|
2543 | if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) : |
2544 |
|
2545 | echo $args['must_log_in']; |
2546 | /** |
2547 | * Fires after the HTML-formatted 'must log in after' message in the comment form. |
2548 | * |
2549 | * @since 3.0.0 |
2550 | */ |
2551 | do_action( 'comment_form_must_log_in_after' ); |
2552 |
|
2553 | else : |
2554 |
|
2555 | printf( |
2556 | '<form action="%s" method="post" id="%s" class="%s"%s>', |
2557 | esc_url( $args['action'] ), |
2558 | esc_attr( $args['id_form'] ), |
2559 | esc_attr( $args['class_form'] ), |
2560 | ( $html5 ? ' novalidate' : '' ) |