PHP中对汉字进行UNICODE编码和解码的功能
0) { // 两个字节的文字 $str .= '\u'.base_convert(ord($c), 10, 16).base_convert(ord($c2), 10, 16); } else { $str .= $c2; } } return $str;}// 将UNICODE编码后的内容进行解码，编码后的内容格式：\u56fe\u7247 （原始：图片）function unicode_decode($name){ // 转换编码，将Unicode编码转换成可以浏览的utf-8编码 $pattern = '/([\w]+)|(\\\u([\w]{4}))/i'; preg_match_all($pattern, $name, $matches); if (!empty($matches)) { $name = ''; for ($j = 0; $j < count($matches[0]); $j++) { $str = $matches[0][$j]; if (strpos($str, '\\u') === 0) { $code = base_convert(substr($str, 2, 2), 16, 10); $code2 = base_convert(substr($str, 4), 16, 10); $c = chr($code).chr($code2); $c = iconv('UCS-2', 'UTF-8', $c); $name .= $c; } else { $name .= $str; } } } return $name;}//测试用例：//编码$name = '图片';echo ''.unicode_encode($name).'
';//解码echo ''.unicode_decode('\u56fe\u7247').'
';
