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POmysql fetch by data from other table
 

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    <p>I have built a simple webshop, where i need to process ordered products. The order comes in very nice with the id of the ordered product.</p> <p>I want the name and price of the product displayed on the page where i show all details about of the order. Too bad it doesn't work..</p> <p>This is my attempt: </p> <p>code to fetch product(s) ordered:</p> <pre><code>$query2 = mysql_query("SELECT * FROM orders_products WHERE order_id='".$_GET['order']."'"); while ($line2 = mysql_fetch_assoc($query2)) { $row2[] = $line2; $smarty-&gt;assign('row2', $row2); } </code></pre> <p>(attempt to) fetch product name and price:</p> <pre><code>$query4 = mysql_query("SELECT * FROM products WHERE id ='".$row2['product_id']."'"); while ($line4 = mysql_fetch_assoc($query4)) { $row4[] = $line4; $smarty-&gt;assign('row4', $row4); } </code></pre> <p>displaying it (excuse me for some dutch words in the html):</p> <pre><code> &lt;div class="module"&gt; &lt;h2&gt;&lt;span&gt;Bestelde Producten&lt;/span&gt;&lt;/h2&gt; {section name=row2 loop=$row2} {section name=row4 loop=$row4} &lt;div class="module-table-body"&gt; &lt;table id="bestelling" class="bestelling"&gt; &lt;thead&gt; &lt;tr&gt; &lt;th style="width:3%"&gt;#&lt;/th&gt; &lt;th style="width:10%"&gt;Naam&lt;/th&gt; &lt;th style="width:10%"&gt;Bedrag&lt;/th&gt; &lt;th style="width:3%"&gt;Aantal&lt;/th&gt; &lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;{$row2[row2].id}&lt;/td&gt; &lt;td&gt;{$row4[row4].name}&lt;/td&gt; &lt;td&gt;{$row4[row4].price}&lt;/td&gt; &lt;td&gt;{$row2[row2].product_amount}&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt;&lt;/br&gt; &lt;p&gt;&lt;strong&gt;Totaal: &lt;/strong&gt;&lt;/br&gt; &lt;strong&gt;BTW (21%): &lt;/strong&gt;&lt;/p&gt; &lt;/br&gt; &lt;p&gt;&lt;strong&gt;Totaal Inclusief BTW: &lt;/strong&gt;&lt;/p&gt; {/section} &lt;div style="clear: both"&gt;&lt;/div&gt; &lt;/div&gt; &lt;!-- End .module-table-body --&gt; &lt;/div&gt; &lt;/div&gt; </code></pre> <p>orders_products table:</p> <p>id order_id product_id product_amount </p> <p>products table:<br> id category_id name description slug price in_stock </p> <hr> <p>Thanks guys for your answers! Kami's code worked out for me.</p> <p>How i have it now: </p> <pre><code>$queryx = mysql_query("SELECT * FROM products inner join orders_products on products.id = orders_products.product_id WHERE order_id = '".mysql_real_escape_string($_GET['order'])."'"); while ($linex = mysql_fetch_assoc($queryx)) { $rowx[] = $linex; $smarty-&gt;assign('rowx', $rowx); } </code></pre> <p>Do you think this is safe? I will start using mysqli or PDO eventually, but i find it too dificult as i am still a beginner..</p> <p>Do you know any good guides about securing php -> mysql?</p> <p>Thanks so far!</p>
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