CODEWITHSUNDEEP
phpvalidationforms
Swell
Swell

Reputation: 139

Server Side Form Validation PHP with multi-file Upload

HTML:

Owner: input type="text" name="owner[]" />
Category:
<select name="cat[]">
      <option value="clothes">Clothes</option>
      <option value="shoes">Shoes</option>
      <option value="accessories">Accessories</option>
</select>
Upload: <input type="file" name="image[]" />

whith function that clone the same fields when click on "+ button"

I count the POST field with:

$num = count($_FILES['image']['name']);

because i want to know how many times the end user clone the fields.

what i want is Make sure that the user has to fill all fields which he opend with "+ button" i cant check all the hidden fields i want to check just the field he opend.

so what can i do ?

i cant do like this:

$owner = $_POST['owner'][$i];
$cat = $_POST['cat'][$i];
$file = $_FILES['image'][$i];

if ($owner && $cat && $file)
   echo "bla bla bla";
else
   echo "fill all the fields!";

can anyone help me ?

thank you

Upvotes: 0

Views: 1448

Answers (1)

Knowledge Craving
Knowledge Craving

Reputation: 7993

There are some points which you need to make sure beforehand. Whenever you are using any input field's name attribute as "owner[]" or "cat[]" or "image[]", you will get an array then. But since, input file's property accessing capability is already 2D array by default, so now you will be able to access those properties as a 3D array.

When you have added a "[]" for the input file field's name attribute, you will now get the name of the 1st file as "$_FILES['image'][0]['name']", because array indices start with 0. As per your question, you can validate using the following way:- 

<?php
$numOwners = count($_POST['owner']);
$numCats = count($_POST['cat']);
$numFiles = count($_FILES['image']);

// Check to see if the number of Fields for each (Owners, Categories & Files) are the same
if ($numFiles === $numCats && $numFiles === $numOwners) {
    $boolInconsistencyOwners = FALSE;
    $boolInconsistencyCats = FALSE;
    $boolInconsistencyFiles = FALSE;

    for ($i = 0; $i < $numFiles; $i++) {
        if (empty($_POST['owner'][$i])) {
            $boolInconsistencyOwners = TRUE;
            break;
        }

        if (empty($_POST['cat'][$i])) {
            $boolInconsistencyCats = TRUE;
            break;
        }

        if (!is_uploaded_file($_FILES['image'][$i]['tmp_name'])) {
            $boolInconsistencyFiles = TRUE;
            break;
        }
    }

    if ($boolInconsistencyOwners || $boolInconsistencyCats || $boolInconsistencyFiles) {
        echo "I knew that there will be some problems with users' mentality!";
        // Redirect with proper Error Messages
    }
    else {
        echo "Wow, Users have improved & have become quite obedient!";
        // Proceed with normal requirements
    }
}
else {
    echo "Something fishy is going on!";
}
?>

Hope it helps.

Upvotes: 3

Related Questions