PHP transmits XML data via interface

The interface here requests data by passing parameters:
Request form: xxx.php?data=20140101&page=1

Parameter Description: Data represents the date of the request

Page represents the number of pages requested

<?php    header ("Content-type: text/xml;charset=utf-8");       date_default_timezone_set (' PRC ');          include  dirname (__file__). " /.. /.. /.. /inc/mysql.php ";     $link  = mysql_connect ($f _servername, $f _username, $f _password) ;     $d  = mysql_select_db ($f _htnewsdate, $link)  or die ("Server internal failure, please contact customer service!!! ");     mysql_query (' Set names utf8 ');          $data  = $_get[' data '];     $page  = $_get[' page '];      $list  = 200;     $time  = strtotime ($data);      $top  = array (         ' 189 '  =>  ' country ',      ' 1854 '  =>  ' Anhui ',  ' 1831 '  =>  ' Beijing ',  ' 1899 ' &NBsp;=>  ' Chongqing ',  ' 1877 '  =>  ' Fujian ', //a-f     ' 1882 '  =>   ' Gansu ',  ' 1891 '  =>  ' Guangdong ',  ' 1843 '  =>  ' Guangxi ',  ' 1870 '  =>  ' Guizhou ',    //g                                       ' 1879 '  =>  ' Hainan ',  ' 1858 '  =>  ' Hebei ',  ' 1849 '   =>  ' Henan ',  ' 1890 '  =>  ' Hubei ',     ' 1866 '  =>  ' Hunan ',  ' 1864 '  =>  ' Heilongjiang ', //h     ' 1857 '  =>  ' Jilin ',  ' 1855 '  = >  ' Jiangsu ',  ' 1893 '  =>  ' Jiangxi ',  ' 1845 '  =>  ' Liaoning ',  ' 1897 '  =>   ' Ningxia ',  ' 1892 '  =>  ' Inner Mongolia ', //j-n     ' 1873 '  =>  ' Qinghai ',   ' 1883 '  =>&nbsP; ' Shanghai ',  ' 1840 '  =>  ' Shandong ',  ' 1862 '  =>  ' Shanxi ',  ' 1874 '  =>  ' Shaanxi ',   ' 1887 '  =>  ' Sichuan ',    //q-s     ' 1839 '  =>  ' Tianjin ',  ' 1884 '  =>  ' Tibet ',  ' 1868 '  =>  ' Xinjiang ',  ' 1865 '  =>  ' Yunnan ',   ' 1851 '  =>  ' Zhejiang ',    //t-z          ' 1993 '  =>  ' info ',  ' 2043 '  =>  ' news ',     ';         foreach ($top  as  $key + $value) {          $arr []= $key;    }     $arr =implode (', ', $arr);          $limit  =  ($page-1)  *  $list;      $sql  = "Select id,typeid,title,filename,senddate as pubdate from dede_ Archives where arcrank=0  AND      (flag like  '%h% '  or  flag like   '%c% ')  and senddate>= ' 1388505600 '  and pubdate>= ' $time '  and typeid  in  ($arr)       order by pubdate desc limit $ Limit, $list ";     $result =mysql_query ($sql);     $data =array ();     while ($row =mysql_fetch_assoc ($result)) {        if ($ row[' typeid ']==189) {             $categoryId = 201;  //National         }else if ($row [' typeid ']==2043) {              $categoryId =203; //News          }else if ($row [' typeid ']==1993) {              $categoryid=299;    //Information         }else{              $categoryId =202; //Place          }                 //determine if the address          $file  = "http://". $_server[' Http_host ']. " /news/". Date (" Y ", $row [' pubdate ']). Date (" MD ", $row [' pubdate ']);         if ($row [' filename ']) {             $file  =   $file  . " /". $row [' filename '].". HTML ";        }else{              $file  =  $file  . " /". $row [' id '].". HTML ";        }         $data [] =array (             ' id ' = $row [' ID '],              ' categoryId ' = $categoryId,             //  ' title '  =>iconv (' GBK ', ' Utf-8//ignore ', $row [' title ']),              ' title '  => $row [' title '],              ' url ' = $file,              ' updatetime ' = $row [' pubdate '],         );        }          $sql _num =  "Select count (ID)  as num from dede_archives  WHERE arcrank=0  AND  (flag like  '%h% '  or  flag like   '%c% ')  AND senddate>= ' 1388505600 '  and pubdate>= ' $time '  AND typeid in  ($arr) ";      $result _num=mysql_query ($sql _num);     $row 1=mysql_fetch_assoc ($result _num);      $num  =  $row 1[' num '];     $xml  =  ' <?xml  Version= "1.0"  encoding= "UTF-8"?> ';     $xml  .=  ' <data> ';      $xml  .=  ' <apiVersion>1.0</apiVersion> ';     $xml  .=  ' <sourceId>102</sourceId> ';     $xml  .=  ' <totalnum > '. $num. ' </totalNum> ';     foreach ($data  as  $key = $val) {          $xml  .=  ' <item> ';          $xml  .=  ' <id> ' $val [' id ']. ' </id> ';         $xml  .=  ' <title> <! [cdata['. $val [' title ']. '] ></title> ';         $xml  .=  ' <url> '. $val [' url ' ].‘ </url> ';         $xml  .=  ' <categoryId> '. $val [' CategoryId ']. ' </categoryId> ';         $xml  .=  ' <updateTime> '. $ val[' UpdateTime ']. ' </updateTime> ';         $xml  .=  ' </item> ';     }     $xml  .=  ' </data> ';     echo   $xml;        ?>

PHP transmits XML data via interface