目次
functions.php
function email_login( $user, $username, $password ) {
$user = get_user_by('email',$username);
if(!empty($user->user_login)) {
$username = $user->user_login;
} else {
$username = '';
}
return wp_authenticate_username_password( null, $username, $password );
}
add_filter('authenticate', 'email_login', 20, 3);
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