How to solve the problem of using PHP strrev to flip Chinese garbled characters

In this paper, we explain how PHP uses Strrev to reverse the problem of Chinese garbled. Share to everyone for your reference, as follows:

When you flip Chinese with strrve in PHP, garbled behavior occurs.

For example:

Header ("content-type:text/html; Charset=utf-8 "), Echo strrev (" Handling garbled problems using the Strrev () function ")." <br> ";

The result of the operation is:

鮗 copy 䄚 綗 protium) (verrts 翽 䆐 焤

The solution is to rewrite a cnstrrev function yourself.

Header ("content-type:text/html; Charset=utf-8 "), $str = ' handling garbled problem using Strrev () function '; function Cnstrrev ($str) {  $len = strlen ($STR);  for ($i = 0; $i < $len; $i + +)  {    $char = $str {0};    if (ord ($char) > 127)//ord () function takes the ASCII code of the first character, if it is greater than 0xa0 (127) then the Chinese character    {      $i +=2;//utf-8 encoding, a Chinese character is three bytes      if ($i < $len)      {        $arr [] = substr ($str, 0, 3);//utf-8 encoding, a Chinese character occupies three bytes        $str = substr ($str, 3);      }    }    else    {      $arr [] = $char;      $str = substr ($str, 1);//Otherwise non-Chinese, takes one character    }  }  return Join (Array_reverse ($arr));//returns an array in reverse order of elements:}echo $ Str. ' + '. Cnstrrev ($STR);

The result of the operation is:

Handling garbled problems when using the Strrev () function + the number of hours of confusion in the question (Verrts)

I hope this article is helpful to you in PHP programming.