如何在现有foreach中为联接的SQL表执行php循环

我目前一直在试图理解如何使用联接表中的SQL结果在现有循环中循环结果

首先，这是我目前的代码：

<?php
include('OrderCore/connect-db.php');
$POIds = array();
if ($result = $mysqli->query("SELECT ProductionOrderID FROM ProductionOrder" ) ) {
    while ($row = $result->fetch_object()) {
        $POIds[] = $row->ProductionOrderID;
    }
}
foreach ( $POIds as $index => $OrderId ) {
    if ( $result = $mysqli->query("
    SELECT * 
    FROM ProductionOrder AS p
    LEFT JOIN ProductionOrderStatus AS s ON ( p.ProductionOrderID = s.ProductionOrderStatusID ) 
    LEFT JOIN NotGood AS n ON ( p.ProductionOrderID = n.NGID ) 
    LEFT JOIN BatchOrder AS b ON ( p.ProductionOrderID = b.ProductionOrderID)
    LEFT JOIN Brand AS bd ON ( p.ProductionOrderID = bd.BrandID ) 
    LEFT JOIN CustomerOrder AS co ON ( p.ProductionOrderID = co.COID ) 
    LEFT JOIN Customer AS c ON ( p.ProductionOrderID = c.CustomerID ) 
    LEFT JOIN CustomerOrderStatus AS cos ON ( p.ProductionOrderID = cos.COStatusID )
    WHERE p.ProductionOrderID='$OrderId'") ) {
        while( $row = $result->fetch_object() ) {
            print "<h1>Order: $OrderId</h1>";
            print "<table class='table table-striped'>";
            print "<tr> <th>PO ID</th> <th>PO #</th> <th>Order Quantity</th> <th>Balance Left</th> <th>Production Date</th> <th>Production Order Status</th> <th>Not Good ID</th> </tr>";
            print "<td>" . $row->ProductionOrderID . "</td>";
            print "<td>" . $row->PONum . "</td>";
            print "<td>" . $row->OrderQTY . "</td>";
            print "<td>" . $row->BalLeftNum . "</td>";
            print "<td>" . $row->ProductionDate . "</td>";
            print "<td>" . $row->ProductionOrderStatusID . "</td>";
            print "<td>" . $row->NGID . "</td>";
            print "</tr>";
            print "</table>";
            //BatchOrder
            print "<table class='table table-striped'>";
            print "<tr> <th>Batch ID</th> <th>Brand Name</th> <th>Batch Quantity</th> <th>Availability Date</th> <th>Remaining Balance</th> <th>Production Order ID</th> </tr>";
            print "<td>" . $row->BatchID . "</td>";
            print "<td>" . $row->BrandID . "</td>";
            print "<td>" . $row->BatchQTY . "</td>";
            print "<td>" . $row->AvailDate . "</td>";
            print "<td>" . $row->RemainBal . "</td>";
            print "<td>" . $row->ProductionOrderID . "</td>";
            print "</tr>";
            print "</table>";
            //CustomerOrder
            print "<table class='table table-striped'>";
            print "<tr> <th>Customer ID</th> <th>Customer Name</th> <th>Invoice Quantity</th> <th>Invoice #</th> <th>Shipping Date</th> <th>Batch ID</th> <th>CO Status</th> </tr>";
            print "<td>" . $row->COID . "</td>";
            print "<td>" . $row->CustomerID . "</td>";
            print "<td>" . $row->InvoiceQTY . "</td>";
            print "<td>" . $row->InvoiceNum . "</td>";
            print "<td>" . $row->ShipDate . "</td>";
            print "<td>" . $row->BatchID . "</td>";
            print "<td>" . $row->COStatusID . "</td>";
            print "</tr>";
            print "</table>";
        }
    }
    else
    {
        print "No results to display!";
    }
}
$mysqli->close();
?>

---

您需要将主键连接到相应的外键，例如：

LEFT JOIN ProductionOrderStatus AS s ON ( p.ProductionOrderID = s.ProductionOrderStatusID ) 

应该是

LEFT JOIN ProductionOrderStatus AS s ON ( p.ProductionOrderID = s.ProductionOrderID )

---

在大多数联接中都存在相同的问题。

为提供示例干杯，我已更正了SELECT语句。然而，现在我只看到了

productionorder

的一次迭代，仍然只看到

BatchOrder

和

CustomerOrder

的一次迭代

LEFT JOIN ProductionOrderStatus AS s ON ( p.ProductionOrderID = s.ProductionOrderID )