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

Change timestamp to custom format...

Use this function for change timestamp to custom format......

Extract numbers from a unicode string...

Quick extract numbers from a unicode string......

Parse a string into separate words...

Parse a string into separate words (array output). function parser($str, $char = ' ') { $str = trim($str); $str = $str . $char; $len = strlen($str); $words = array(); $w = '...

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',...