--TEST-- php\lib\str Test - leng --FILE-- <?php use php\lib\Str as str; $random = str::random(); var_dump($random); $random = str::random(8); var_dump($random); var_dump(str::random() != str::random()); $random = str::random(8, '1234567890'); var_dump($random); var_dump(str::isNumber($random)); ?> --EXPECTF-- string(16) "%s string(8) "%s bool(true) string(8) "%s bool(true)