php中将指针移动到数据集初始位置的实现代码[mysql_data_seek]

// Start snipit 1

$sql = “SELECT * from

“;

$result = mysql_query($sql);

while ($row = mysql_fetch_assoc($result)) {

// do stuff with $row

}

mysql_data_seek($result, 0); //关键是这儿

while ($row = mysql_fetch_assoc($result)) {

// do other stuff with $row

}

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