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我們正在嘗試一個MySQL數據庫和谷歌API使用AJAX和PHP之間的接口連接（在第3行「phpsqlajax_dbinfo.php」 dedfines數據庫信息）。我們要創建一個經/緯從谷歌API的標誌，但我們得到的「加（兒童）」 實際的錯誤消息致命錯誤：「）非對象上調用一個成員函數的addChild（」與一個MySQL
我們怎樣才能獲得DB中的記錄和存儲信息？
<?php
require_once("phpsqlajax_dbinfo.php");
$xml = ("mapPointInfo.xml") ;
$newLatLng = $_POST['latlng']; //new markers LatLng
$newLatLng = substr($newLatLng, 1, -1); //removes first and last characters of
newLatLng which are (and)
list($newLat, $newLng) = explode(",", $newLatLng);
//$newLng = substr($newLng, 1, 0);
$locName = $_POST['geoNameMarker']; //geocoded or simple incremented site name
$markerComment = $_POST['createMarker']; //comment entered by user
$userName = $_POST['user']; //acquire username from session
$voteValue = "likes"; //acquire vote value if any
date_default_timezone_set('America/New_York');
$timeStamp = date("m/d/Y G:i"); //get timestamp
year:month:date:hour:minutes:seconds (example: 11:6:31:14:31:42)
if($markerComment == null || $markerComment == '' || $markerComment == ' '){
$markerComment = ' ';
}
$markerComment = htmlentities($markerComment, ENT_QUOTES);
$locName = htmlentities($locName, ENT_QUOTES);
$marker = $xml->addChild('marker');
$marker->addAttribute('lat', $newLat);
$marker->addAttribute('lng', $newLng);
$marker->addAttribute('name', $locName);
$marker->addAttribute('type', 'user-sug');
$comment = $marker->addChild('comment', $markerComment); //add information to
latest/last marker
$comment->addAttribute('user', $userName);
$comment->addAttribute('vote', 'likes');
$comment->addAttribute('time', $timeStamp);
header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
header ('http://www.wmuhotspotmap.org/');
exit();
?>