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我想使用在while循環外創建的變量。 這是因爲我有不同的變量,我想放在海誓山盟之後(逗號分隔)並放入一個字符串變量。之後,我將刪除最後一個逗號。在while循環中創建變量並在循環中使用
這是我的代碼
$result = mysql_query("SELECT * FROM ".$_POST['moduleName']);
while($row = mysql_fetch_array($result))
{
//read fieldnames from database
$fieldName = $row['modFieldName'];
//creating a variable with the fieldname
$fieldName = 'field'.$fieldName;
//fill Variable with posted input
$fieldName = $_POST[$row['modFieldName']];
//Put fieldname in a string (outputs: a,b,c,d,e,)
$postString = $fieldName.",";
}
//Remove last comma
$postString = substr($postString,0,-1);
echo $postString;