UTF8 string length counter

The best way to determine the character count of a UTF8 string.

function strlen_utf8( $str )
{
   return mb_strlen( $str, 'UTF-8' );
}
 
//or...
function strlen_utf8( $str )
{
   $c = 0;
   $len = strlen( $str );
   for ( $i = 0; $i < $len; $i++ ) {
      //0x80 = 128
      $ord = ord( $str[$i] );
      if ( $ord & 0x80 ) {
         $ord <<= 1;
         while ( $ord & 0x80 ) {
            $i++;
            $ord <<= 1;
         }
 
         $c++;
      }
      else {
         $c++;
      }
   }
 
   return $c;
}

Tags

No tag here.

Recommended pages

PHP subwords() Function...

Function subwords, gets words by max num....

Detect file extension function...

This function is used to find the file extension also you can use pathinfo() function for get information about a file path. function ext($file_name) { return substr($file_name, strrpos($fi...

File size calculator...

File size calculator function return file size format into kb, mb or gb. function file_size($size, $out = 'kb', $precision = 2) { switch ($out) { case 'kb': return round($...

Best way to get user ip address in php...

Here is a function to getting ip using filter of local and lan ip's. function get_ip() { $list = array( 'REMOTE_ADDR', 'CLIENT_IP', 'HTTP_CLIENT_IP', 'HTTP_PROXY_CONNECTION',...