標籤:style class code color 使用 width
/** * $str 原始字串 * $encoding 原始字串的編碼,預設GBK * $prefix 編碼後的首碼,預設"&#" * $postfix 編碼後的尾碼,預設";" */function unicode_encode($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編碼後的字串 * $encoding 原始字串的編碼,預設GBK * $prefix 編碼字串的首碼,預設"&#" * $postfix 編碼字串的尾碼,預設";" */function unicode_decode($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, $unistr);}
使用:
//GBK字串測試$str = ‘<b>哈哈</b>‘;echo $str.‘<br />‘;?$unistr = unicode_encode($str);echo $unistr.‘<br />‘; // <b>哈哈</b>?$str2 = unicode_decode($unistr);echo $str2.‘<br />‘; //<b>哈哈</b>?//UTF-8字串測試$utf8_str = iconv(‘GBK‘, ‘UTF-8‘, $str);echo $utf8_str.‘<br />‘; // <b>鍝堝搱</b> 註:UTF在GBK下顯示的亂碼!可切換瀏覽器的編碼測試?$utf8_unistr = unicode_encode($utf8_str, ‘UTF-8‘);echo $utf8_unistr.‘<br />‘; // <b>哈哈</b>?$utf8_str2 = unicode_decode($utf8_unistr, ‘UTF-8‘);echo $utf8_str2.‘<br />‘; // <b>鍝堝搱</b>?//其它尾碼、首碼測試$prefix_unistr = unicode_encode($str, ‘GBK‘, "\\u", ‘‘);echo $prefix_unistr.‘<br />‘; // \u60\u98\u62\u21704\u21704\u60\u47\u98\u62?$profix_unistr2 = unicode_decode($prefix_unistr, ‘GBK‘, "\\u", ‘‘);echo $profix_unistr2.‘<br />‘; //<b>哈哈</b>