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<?php $text = "Raphaƫl said you aren't coming home."; function isValidLength($text, $length) { return $length <= preg_match_all("~[\pL\pM'-]+~u", $text); } var_export( [ 5 => isValidLength($text, 5), 6 => isValidLength($text, 6), 7 => isValidLength($text, 7), ] );
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22, 8.1.0 - 8.1.9
array ( 5 => true, 6 => true, 7 => false, )

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