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The following code can be used to remove the text from the dashboard:

function cwhf_remove_wp_footer_admin()
{
    add_filter( 'admin_footer_text',    '__return_false', 11 );
}
add_action( 'admin_init', 'cwhf_remove_wp_footer_admin' );

Instead of an empty text, you can also set your own text here.

Remove WordPress version from the bottom of the dashboard

The version can be removed in this way:

function cwhf_remove_version_wp_footer_admin()
{
    add_filter( 'update_footer',        '__return_false', 11 );
}
add_action( 'admin_init', 'cwhf_remove_version_wp_footer_admin' );

To hide both, you should ideally combine both filter calls:

function cwhf_remove_wp_footer_admin()
{
    add_filter( 'admin_footer_text',    '__return_false', 11 );
    add_filter( 'update_footer',        '__return_false', 11 );
}
add_action( 'admin_init', 'cwhf_remove_wp_footer_admin' );

By default, WordPress displays its own logo in the top left corner of the toolbar (so-called adminbar). If you want to remove it, you can do so either with the plugin Remove WP Branding or programmatically in this way:

function cwhf_remove_logo_wp_toolbar() {
        global $wp_admin_bar;
        $wp_admin_bar->remove_menu( 'wp-logo' );
}
add_action( 'wp_before_admin_bar_render', 'cwhf_remove_logo_wp_toolbar', 0 );

Change WordPress logo in toolbar

If you want to display a different logo instead, use the following code:

function cwhf_replace_logo_in_admin_bar() {
echo '
<style type="text/css">
#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
background-image: url("https://my-domain.com/wp-content/uploads/my-favicon.png") !important;
background-position: 0 0;
color:rgba(0, 0, 0, 0);
}
#wpadminbar #wp-admin-bar-wp-logo.hover > .ab-item .ab-icon {
background-position: 0 0;
}
</style>
';
}
add_action('wp_before_admin_bar_render', 'cwhf_replace_logo_in_admin_bar');

If you check “Stay logged in” when you log in (see image), WordPress will allow you to work longer in the WordPress backend without having to log in again.

If this checkmark is set, the lifetime of the authentication cookie is increased. However, the time is only extended by about half a month. If you want to stay logged in longer, for example because you want to work with WordPress every day, the following solution is available:

add_filter( 'auth_cookie_expiration', 'cwhf_extend_auth_cookie_to_1_year' );
function cwhf_extend_auth_cookie_to_1_year( $expirein ) {
	return 31556926; // 1 year in seconds
}

The above code must be added to the WordPress code. This is done via the Code Snippets plugin, the functions.php or a