Online PHP editor | refs for CD1Zn

<?php function unicode_encode($str, $encoding = 'GBK', $prefix = '&#', $postfix = ';') { $str = iconv($encoding, 'UCS-2', $str); $arrstr = str_split($str, 2); $unistr = ''; for($i = 0, $len = count($arrstr); $i < $len; $i++) { $dec = hexdec(bin2hex($arrstr[$i])); $unistr .= $prefix . $dec . $postfix; } return $unistr; } /** * $str Unicode编码后的字符串 * $decoding 原始字符串的编码，默认GBK * $prefix 编码字符串的前缀，默认"&#" * $postfix 编码字符串的后缀，默认";" */ function unicode_decode($unistr, $encoding = 'GBK', $prefix = '&#', $postfix = ';') { $arruni = explode($prefix, $unistr); $unistr = ''; for($i = 1, $len = count($arruni); $i < $len; $i++) { if (strlen($postfix) > 0) { $arruni[$i] = substr($arruni[$i], 0, strlen($arruni[$i]) - strlen($postfix)); } $temp = intval($arruni[$i]); $unistr .= ($temp < 256) ? chr(0) . chr($temp) : chr($temp / 256) . chr($temp % 256); } return iconv('UCS-2', $encoding, $unistr); } //GBK字符串测试 $str = '哈哈'; echo $str.' '; $unistr = unicode_encode($str); echo $unistr.' '; // 哈哈 $str2 = unicode_decode($unistr); echo $str2.' '; //哈哈 //UTF-8字符串测试 $utf8_str = iconv('GBK', 'UTF-8', $str); echo $utf8_str.' '; // 鍝堝搱 注：UTF在GBK下显示的乱码！可切换浏览器的编码测试 $utf8_unistr = unicode_encode($utf8_str, 'UTF-8'); echo $utf8_unistr.' '; // 哈哈 $utf8_str2 = unicode_decode($utf8_unistr, 'UTF-8'); echo $utf8_str2.' '; // 鍝堝搱 //其它后缀、前缀测试 $prefix_unistr = unicode_encode($str, 'GBK', "\\u", ''); echo $prefix_unistr.' '; // \u60\u98\u62\u21704\u21704\u60\u47\u98\u62 $profix_unistr2 = unicode_decode($prefix_unistr, 'GBK', "\\u", ''); echo $profix_unistr2.' '; //哈哈