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POHow do I get php to 'remember' the conducted search after selecting to sort results?
 

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  1. POHow do I get php to 'remember' the conducted search after selecting to sort results?
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    <p>I have the following code:</p> <pre><code>&lt;?php include "include.php"; session_start(); // Defining variables from home.php if set if(isset($_POST['title'])){ $title = mysql_real_escape_string($_POST['title']); } if(isset($_POST['author'])){ $author = mysql_real_escape_string($_POST['author']); } if(isset($_POST['isbn'])){ $isbn = mysql_real_escape_string($_POST['isbn']); } if(isset($_POST['keyword'])){ $keyword = mysql_real_escape_string($_POST['keyword']); } if(isset($_POST['sort'])){ $sort=@$_POST['sort'];} // Determine the WHEREs to use $where = array(); if ( ! empty($title)) $where[] = "booktitle LIKE '%" . $title . "%'"; if ( ! empty($author)) $where[] = "author LIKE '%" . $author . "%'"; if ( ! empty($isbn)) $where[] = "isbn LIKE '%" . $isbn . "%'"; if ( ! empty($keyword)) $where[] = "description LIKE '%" . $keyword . "%'"; //Determine the ORDERs to use $order = array(); if ((isset($sort)) &amp;&amp; ($sort=='lowhigh')) $order[] = "price ASC"; if ((isset($sort)) &amp;&amp; ($sort=='highlow')) $order[] = "price DESC"; // Build the query $query = 'SELECT * FROM book'; if ( ! empty($where)) $query .= ' WHERE ' . implode(' AND ', $where); if(! empty($sort)) $query .= ' ORDER BY ' . implode($order); //Display results $result = mysqli_query($con, $query) or die("Error in query $query: " . mysqli_error()); while ($row = mysqli_fetch_array($result)) { ?&gt;&lt;a id="1" href="book.php" border="0"&gt;&lt;img src="&lt;?php echo $row[12]; ?&gt;" width="112px" height="150px" /&gt;&lt;/a&gt; &lt;a href="book.php?booktitle='&lt;?php echo $_SESSION['booktitle']=$row[1];?&gt;'"&gt;&lt;b&gt;&lt;?php echo $row[1] . ", (" . $row[5] . ")";?&gt;&lt;/b&gt;&lt;/a&gt;&lt;br&gt;&lt;?php echo $row[2]; echo "&lt;br&gt;&lt;div style='text-align:right'&gt; &lt;b&gt;&amp;pound;" . $row[9] . "&lt;/b&gt;&lt;/div&gt;"; echo "&lt;b&gt;Book description:&lt;/b&gt; " . substr($row[3],0,300) . "...&lt;br /&gt;&lt;hr&gt;"; } mysqli_close($con); //closes the connection ?&gt; </code></pre> <p>It passes inputs from four text fields on a front end page and displays the results. This all works fine. It's when I come to sorting the displayed results. If I selected Price: low to high for example, it arranges all the results in my database and displays everything, not just the results from the conducted search. Does anyone now how I can get it to remember the original search?</p> <p>This is my form:</p> <pre><code>&lt;form id="rform" name="formsort" action="" method="post"&gt; &lt;select name="sort" id="sort" onChange="document.forms['formsort'].submit()"&gt; &lt;option value="default"&gt;Sort Results&lt;/option&gt; &lt;option value="lowhigh"&gt;Price: Low to High&lt;/option&gt; &lt;option value="highlow"&gt;Price: High to Low&lt;/option&gt; &lt;/select&gt; &lt;/form&gt; </code></pre>
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