alphatechno

Hello, I have one fatal error :
Fatal error: Can’t use function return value in write context in /var/www/censured.net/public_html/wp-content/plugins/masterstudy-lms-learning-management-system/lms/helpers.php on line 127
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if (!empty(intval($length))) {
$w_length = mb_strlen($word);
if ($w_length > $length) {
$word = mb_strimwidth($word, 0, $length, $affix);
}
}

return sanitize_text_field($word);