wp-includes/pluggable-deprecated.php:104Sets a cookie for a user who just logged in. This function is deprecated.
$usernamestring$passwordstringoptional''$already_md5booloptionalfalse$homestringoptional''$siteurlstringoptional''$rememberbooloptionalfalsefunction wp_setcookie( $username, #[\SensitiveParameter] $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) { _deprecated_function( __FUNCTION__, '2.5.0', 'wp_set_auth_cookie()' ); $user = get_user_by('login', $username); wp_set_auth_cookie($user->ID, $remember);}Introduced in 1.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/pluggable-deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.