function is_utf8($text)
{
  $result = false;
  for($i=0; $i<strlen($text); $i++)
  {
    $byte = ord($text[$i]);
    if ($byte & 0x80)
      $result = true;
  }
  return $result;
}

One thought on “php: Zelan jakin textue utf-8 badauen?”

1. function is_utf8( $text )
   {
   $result = false;
   $i = 0;
   $j = count( $text );
   while( $i < $j && false === $result )
   {
   $result = ord( $text[$i] ) & 0x80;
   $i++;
   }
   return $result;
   }