PHP 字符串换行转换成数组

$str = "你好 不好 非常好";
$preg = preg_split('/[;\r\n]+/s', trim($str));//参数一，正则表达式，参数二，转换的字符串

输出：array(3) { [0] => string(6) "你好" [1] => string(6) "不好" [2] => string(9) "非常好" }