Using WordPress ‘get_the_author_login()’ PHP function

The get_the_author_login() WordPress PHP function retrieves the login name of the author of the current post.

Usage

echo get_the_author_login();

_If the author’s login is “john_doe”, this will output “johndoe”.

Parameters

This function has no parameters.

More information

See WordPress Developer Resources: get_the_author_login()

Examples

Display author’s login in a post

Display the author’s login name in a single post template (single.php)

// Inside the WordPress loop
echo 'Author: ' . get_the_author_login();

Display author’s login with a custom prefix

Add a custom prefix before the author’s login name

// Inside the WordPress loop
echo 'Written by: ' . get_the_author_login();

Use author’s login in a CSS class

Include the author’s login name in a CSS class for unique styling

// Inside the WordPress loop
echo '<div class="post-author-' . get_the_author_login() . '">';
// Post content here
echo '</div>';

Display author’s login in a link

Create a link to the author’s archive page with their login name as the link text

// Inside the WordPress loop
echo '<a href="' . get_author_posts_url( get_the_author_meta( 'ID' ) ) . '">' . get_the_author_login() . '</a>';

Show author’s login only for a specific user role

Display the author’s login name only if the author has a specific user role, e.g. “editor”

// Inside the WordPress loop
if ( in_array( 'editor', (array) get_the_author_meta( 'roles' ) ) ) {
    echo 'Editor: ' . get_the_author_login();
}