如果你指的是Wikipedia所说的
eastern arabic / indic numerals,一个简单的替换操作应该是.
$western_arabic = array('0','1','2','3','4','5','6','7','8','9');
$eastern_arabic = array('٠','١','٢','٣','٤','٥','٦','٧','٨','٩');
$str = str_replace($western_arabic,$eastern_arabic,$str);
