时间:2021-07-01 10:21:17 帮助过:15人阅读
iconv_set_encoding("internal_encoding", "GBK"); //根据你的字符修改
$a = "你我他它她";
$b = "ilove上海每一天";
$c = iconv_substr($a, rand(0, iconv_strlen($a)-1), 1);
$n = rand(0, iconv_strlen($b)-1);
echo iconv_substr($b, 0, $n) . $c . iconv_substr($b, $n);