The example in this article describes how to implement string flipping in PHP. Share it with everyone for your reference. The specific implementation method is as follows:
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header("content-type:text/html;charset=utf-8");
/**
The function of this function is to reverse the Chinese string
mb_strlen() gets the length of characters
mb_substr() gets a single element of a character
krsort() sorts the array in reverse order by key value
implode() concatenates arrays into strings
explode() uses string to separate strings
*/
function str_rev_gb($str){
//Determine whether the input characters are utf8 type characters, otherwise exit
if(!is_string($str)||!mb_check_encoding($str,'UTF-8')){
exit("The input type is not a string of UTF8 type");
}
$array=array();
//Save the string into the array
$l=mb_strlen($str,'UTF-8');
for($i=0;$i
$array[]=mb_substr($str,$i,1,'UTF-8');
}
//Reverse the string
krsort($array);
//Splicing strings
$string=implode($array);
return $string;
}
$str1 = "Englist";
$str2 = "English China";
$str3 = "English国";
$str4 = "People's Republic of China";
echo $str1."->".str_rev_gb($str1)." "; echo $str2."->".str_rev_gb($str2)." "; echo $str3."->".str_rev_gb($str3)." "; echo $str4."->".str_rev_gb($str4)." "; |
