1
我想創建使用json的谷歌折線圖。按照此頁面Building array and formatting JSON for Google Charting API行必須類似於無法打印多維數組使用谷歌圖表json
$array['rows'][] = array('c' => array(array('v'=>'20-01-13'), array('v'=>22)));
用於json編碼。 我當前的代碼是
[email protected]::getSettings();
$query=$connectDb->prepare("SELECT timestamp, tottrdqty FROM {$database} WHERE symbol IN(?,?) AND series=? AND timestamp BETWEEN ? AND ? ORDER BY timestamp AND symbol");
$query->bind_param('sssss',$code,$code2,$series,$firstDate,$lastDate);
$query->execute();
$result=$query->get_result();
$query->close();
$connectDb->close();
while ($row =mysqli_fetch_assoc($result)) {
$array[$row['timestamp']][] = $row['tottrdqty'];
}
/*foreach ($array as $date => $records)
{ echo $date . '<br />';
foreach ($records as $record)
{ echo $record . '<br />'; }
}*/
$json_array=[];
$json_array['cols'][] = array('type' => 'date');
$json_array['cols'][] = array('type' => 'number');
$json_array['cols'][] = array('type' => 'number');
foreach ($array as $date => $records)
{
$json_array['rows'][] = array('c' => array(array('v'=>"$date"),
foreach ($records as $record){
array('v'=>"$record"),
}
));
}
print json_encode($json_array);`
如果我刪除第二的foreach一切工作正常howwver我沒有收到在陣列的數量。任何建議?
它就像一個魅力。非常感謝。有一個分號缺少添加它。 – DAKSH