以下是我编写的代码，实现对中英文混杂字符进行分割：
运行结果：
array( [0] => 我爱北京 [1] => 3我爱上 [2] => 海-我爱 [3] => xian [4] => ggan [5] => g)
0) { $ret = array(); $len = mb_strlen($str,utf-8); for ($i = 0; $i $s =还未如愿sss见gfg者不rtret不朽; // mild milk print_r(str_split($s, 5)); print_r(str_split_unicode($s, 5));//输出 //array ( [0] => 还�� [1] => �如� [2] => ��sss [3] => 见gf [4] => g者� [5] => ��rtr [6] => et不 [7] => 朽 ) //array ( [0] => 还未如愿s [1] => ss见gf [2] => g者不rt [3] => ret不朽 )
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