php mysql while loop inside while loop querying same table - php

Question

This is my code
<?php
$query= "SELECT album_name FROM gallery group by album_name order by MIN(date_time)";
$stmt = $connection->prepare($query);
$stmt->execute();
$result=$stmt->get_result();
while ($row = $result->fetch_array(MYSQLI_BOTH)) { //First while loop
$album_names =htmlspecialchars($row['album_name']);`
?>
<ul>
<li data-tags="<?php echo $album_names ?>">
Till this point everything works fine , It shows me the names of all the albums that are there in my db .
What I want to do next is I want it to show all the pics which belong to $album_names so I wrote this code after above code
// Code continues
<?php
$query2= "SELECT imgage_path,resized_path FROM gallery WHERE album=?";
$stmt = $connection->prepare($query2);
$stmt->bind_param("s",$album_names);
$stmt->execute();
$result2=$stmt->get_result();
while ($row2 = $result2->fetch_array(MYSQLI_BOTH)) { //Second while loop
$thumbnail_path = =htmlspecialchars($row2['resized_path']);
$image_path =htmlspecialchars($row2['image_path']);
?>
<a href="<?php echo $image_path ?>">
<img src="<?php echo $thumbnail_path ?>" alt="Illustration" />
</a>
</li>
</ul>
<?php
} //Second While loop ends
} //First While loop ends
?>
Problem is that it only shows me the first result of $image_path and $thumbnail_path but I want it to show all the image paths belonging to that particular album.
Hope I have cleared my question .

Answer 1

This looks like pseudo-code to me (as it is not having proper php tags). Anyway, Problem is as follows.. Your html tags li arrangements are wrong. That is why you are not seeing the other results. It has to be fixed as below
<?php
$query= "SELECT album_name FROM gallery group by album_name order by MIN(date_time)";
$stmt = $connection->prepare($query);
$stmt->execute();
$result=$stmt->get_result();
while ($row = $result->fetch_array(MYSQLI_BOTH)) { //First while loop
$album_names =htmlspecialchars($row['album_name']);`
?>
<ul>
<li data-tags="<?php echo $album_names ?>">
<?php
$query2= "SELECT imgage_path,resized_path FROM gallery WHERE album=?";
$stmt = $connection->prepare($query2);
$stmt->bind_param("s",$album_names);
$stmt->execute();
$result2=$stmt->get_result();
while ($row2 = $result2->fetch_array(MYSQLI_BOTH)) { //Second while loop
$thumbnail_path = =htmlspecialchars($row2['resized_path']);
$image_path =htmlspecialchars($row2['image_path']);
?>
<a href="<?php echo $image_path ?>">
<img src="<?php echo $thumbnail_path ?>" alt="Illustration" />
</a>
<?php
} //Second While loop ends
?>
</li>
</ul>
<?php
} //First While loop ends
?>

Answer 2

Simplifying to a single query. This assumes that image_path and resized path always both exist for each image (if they don't it is easily fixed but this shows you the basics).
<?php
// Query gets one row per album. Row has 3 fields, album name, then all the image_path fields concatentated together, the all the resized_path fields joined together
$query= "SELECT album_name
GROUP_CONCAT(image_path ORDER BY image_path) AS image_path_concat,
GROUP_CONCAT(resized_path ORDER BY image_path) AS resized_path_concat
FROM gallery
GROUP BY album_name
ORDER BY MIN(date_time)";
$stmt = $connection->prepare($query);
$stmt->execute();
$result=$stmt->get_result();
// Start of unordered list of album names
echo "<ul>";
while ($row = $result->fetch_array(MYSQLI_BOTH))
{
$album_names = htmlspecialchars($row['album_name']);
// List item of album name
echo "<li data-tags='$album_names'>";
// Explode out the image paths into an array
$image_path = explode(',', $row['image_path_concat']);
// Explode out the image resized paths into an array
$resized_path = explode(',', $row['resized_path_concat']);
// Start of unordered list of image paths
echo "<ul>";
// Loop around the array of image paths
foreach($image_path AS $key=>$value)
{
// Assuming that the list of image paths always match the array of resized paths then use the key of the current
// image_path for both the image path and also the resized / thumbnail path
$image_path = htmlspecialchars($image_path[$key]);
$thumbnail_path = htmlspecialchars($resized_path[$key]);
echo "<li><a href='".$image_path."'><img src='".$thumbnail_path."' alt='Illustration' /></a></li>";
}
// End of unordered list of image paths
echo "</ul>";
// End of list item of album name
echo "</li>";
} //First While loop ends
// End of unordered list of album names
echo "</ul>";
?>

Answer 3

I do not know if my answer will help you.
But i think there is wrong in your loop for the html tag.
<?php
$query2= "SELECT imgage_path,resized_path FROM gallery WHERE album=?";
$stmt = $connection->prepare($query2);
$stmt->bind_param("s",$album_names);
$stmt->execute();
$result2=$stmt->get_result();
while ($row2 = $result2->fetch_array(MYSQLI_BOTH)) { //Second while loop
$thumbnail_path = =htmlspecialchars($row2['resized_path']);
$image_path =htmlspecialchars($row2['image_path']);
?>
<a href="<?php echo $image_path ?>">
<img src="<?php echo $thumbnail_path ?>" alt="Illustration" />
</a>
</li> <- you loop the close <li> tag
</ul> <- you loop the close <ul> tag
<?php
} //Second While loop ends
} //First While loop ends
?>
You loop the close tags (li and ul) in the second loop but you do not put open tag for the li and ul.
I hope this help. thankyou