復制代碼 代碼如下:
 
//連接數據庫... 略 
$total = 0; //總秒數 
$sql = "select duration from test"; 
$rs = mysql_query($sql); 
while($row = mysql_fetch_array($rs)) 
{ 
$arr=explode(":",$row[duration]); 
$h = $arr[0]*60*60; 
$m = $arr[1]*60; 
$s = $arr[2]; 
$total = $h+$m+$s; 
} 
echo $total; 
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