使用php将图像和数据上传到数据库

Question

got this code to upload new products to the db Since im new to php,ive got it copied from several sources Everything seems to be on the place,and the syntax is alright,but still no success in uploading the image & inserting the data to db

UPLOAD.php page -

<?php
require "dbconn.php";
require "functions.php";

if(isset($_POST['Submit']))
{

     $product_name = strip_tags($_POST['name']);
     $product_price = strip_tags($_POST['price']);
     $category = strip_tags($_POST['category']);

}

$target_dir = "img/'.$category.'/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
    $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
    if($check !== false) {
        echo "File is an image - " . $check["mime"] . ".";
        $uploadOk = 1;
    } else {
        echo "File is not an image.";
        $uploadOk = 0;
    }
}
// Check if file already exists
if (file_exists($target_file)) {
    echo "Sorry, file already exists.";
    $uploadOk = 0;
}
// Check file size
if ($_FILES["fileToUpload"]["size"] > 500000) {
    echo "Sorry, your file is too large.";
    $uploadOk = 0;
}
// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
&& $imageFileType != "gif" ) {
    echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
    $uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
    echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
    if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
        insert_new_product($product_name, $product_price, $target_file, $category);
        header("Location: add_product.php?cname=$category");
    } else {
        echo "Sorry, there was an error uploading your file.";
    }
}

?>

HTML

<table>

<form action="upload.php" method="post" enctype="multipart/form-data">
<tr>
<td>
<input name="name" type="text">Name:</br>
</td>
</tr>

<tr>
<td>
<input name="price" type="text">Price:</br>
</td>
</tr>

<tr>
<td>
<input name="category" value="<?php echo $category; ?>" type="hidden">
</td>

</tr>

<tr>

    Choose the file:
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload Image" name="submit">
</form>
</table>

Answer 1

I would advice you to change

$target_dir = "img/'.$category.'/";

to

$target_dir = "img/".$category."/";

Also, try seeing where the request is going when you submit the form. You would need a base tag ideally to specify a PHP controller as the form action without the full path.