我如何用php替换SQL查询中的表名

Question

How can i replace table name in this query string with another string or table name with php

SELECT 
    Panel.Id as PanelId,Panel.Title as PanelTitle,Panel.Icon as PanelIcon,
    SubPanel.Id as SubPanelId,SubPanel.Title as SubPanelTitle,
    SubPanel.Icon as SubPanelIcon,SecurityAccess.Id as Access,SecurityAccess.Controller,
    SecurityAccess.Action
FROM Panel
INNER JOIN SubPanel
INNER JOIN SecurityAccess
WHERE 
Panel.Id > 0 AND SubPanel.Panel = Panel.Id AND SubPanel.Id = UsersAccess.Subpanel
and SubPanel.Id > 0
ORDER BY Panel._Order,SubPanel._Order 

For example: replace "Panel" with "my_panel"

I do not want you to change my String. Just use this string as it exists.

Answer 1

I hope this helps you..

$sql = "SELECT 
            $table_1.Id as PanelId, $table_1.Title as PanelTitle, $table_1.Icon as PanelIcon,
            $table_2.Id as SubPanelId, $table_2.Title as SubPanelTitle,
            $table_2.Icon as SubPanelIcon, $table_3.Id as Access, $table_3.Controller,
            $table_3.Action
        FROM $table_1
        INNER JOIN $table_2
        INNER JOIN $table_3
        WHERE 
        $table_1.Id > 0 AND $table_2.Panel = $table_1.Id AND $table_2.Id = UsersAccess.Subpanel
        and $table_2.Id > 0
        ORDER BY $table_1._Order, $table_2._Order";

for your current query it would be like..

$table_1 = "Panel";
$table_2 = "SubPanel";
$table_3 = "SecurityAccess";

If $table_ vars are user input than be careful to escape them before putting into query.