关于foreach 中套foreach 问题
例:
foreach($loan as $key=>$value) {
$overdue1[$key]['riqi1'] = $value['riqi1'];
$overdue1[$key]['Transfer_order'] = $value['heji'];
foreach ($paid1 as $k=>$v){
if($value['riqi1'] == $v['riqi1']){
$overdue1[$key]['Payment_order'] = $v['heji'];
}
else {
$overdue1[$key]['Payment_order'] = 0;
}
$cq_data1[] = $overdue1[$key];
}
}
为什么第一个foreach 中$value里只有23个值 结果出 打印变量 $cq_data1[] 时确有 46个值, 难道foreach中套foreach 会便利2次吗?