例如：$str="怎么chai数组123";把这个字符串拆成拆成
array
0 => string '怎' (length=1)
1 => string '么' (length=1)
2 => string 'c' (length=1)
3 => string 'h' (length=1)
4 => string 'a' (length=1)
5 => string 'i' (length=1)
6 => string '1' (length=1)
7 => string '2' (length=1)
拆成这样的数组结果来显示？？？？请注意 我的编码是utf8
说ä¸ä¸ï¼è¿æ®µä¸æåã
å¦æä½ çå串æ¯åºå®çï¼å°±å ç¨substrï¼ï¼ åºå®æªå¾æ¥èµå¼æï¼ï¼æ±åæªå2个åèï¼
$str = "æä¹chaiæ°ç»123";
function str_arr($str){
$str1 = substr($str,0,1);
echo $str1;
$e = preg_match("/^[\x7f-\xff]+$/",$str1);
echo $e;
if($e){$zhi = "y"; }else{$zhi = 'n';}
echo $zhi;
$new = array();
if($e){
$new[] = $str1;
$str_r = substr($str,2);
}else{
$str2 = substr($str,0,2);
$new[] = $str2;
$str_r = substr($str,2);
}
return $new;
}
$ss = str_arr($str);
var_dump($ss);
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