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Asked: 2026-05-20T02:23:16+00:00

I have a form to upload 2 files. They can upload one, or just

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I have a form to upload 2 files. They can upload one, or just upload both at the same time.
When I upload 2 small image files (both under 100kb), they work perfect. But if one file is larger, say around 200kb, it doesn’t work. I already set the max value to “100000” in the hidden tag below, so I’m not sure what else I can do to fix this?

<form enctype="multipart/form-data" action="upload.php" method="post">    
<b>Image File</b><br />
<input type="hidden" name="MAX_FILE_SIZE" value="100000" />

<b>Large Image</b>: <input type="file" name="uploadedfile1" size="30" /><br />

<b>Thumb Image</b>: <input type="file" name="uploadedfile2" size="30" /><br />

<center><input type="submit" name="submit" value="submit" class="button"></center>

</form>

When it’s processed, it goes to this php code:

$uploadedfileBase1 = basename($_FILES['uploadedfile1']['name']);
$uploadedfileTemp1 = $_FILES['uploadedfile1']['tmp_name']; 
$uploadedfileBase2 = basename($_FILES['uploadedfile2']['name']);
$uploadedfileTemp2 = $_FILES['uploadedfile2']['tmp_name']; 


// Large Image
$target_path_large = $target_path . "large/" . $uploadedfileBase1; 

if(move_uploaded_file($uploadedfileTemp1, $target_path_large)) {
echo "<p>The <b>large</b> file \"$uploadedfileBase1\" has been uploaded.</p>";
} else{
echo "<p>There was an error uploading the <b>large</b> file <i>$uploadedfileBase1</i>, please try again!</p>";
}

// Thumb Image
$target_path_thumb = $target_path . "thumbs/" . $uploadedfileBase2; 

if(move_uploaded_file($uploadedfileTemp2, $target_path_thumb)) {
echo "<p>The <b>thumbnail</b> file \"$uploadedfileBase2\" has been uploaded.</p>";
} else{
echo "<p>There was an error uploading the <b>thumbnail</b> file <i>$uploadedfileBase2</i>, please try again!</p>";
}

Thank you for reading!

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1 Answer

  1. Editorial Team

    You should check the file php.ini at your server, specially the following parameters:

    1. post_max_size

    2. upload_max_filesize

    3. max_execution_time

    4. max_input_time

    5. memory_limit

    In your case, the problem maybe about too small post_max_size & upload_max_filesize.

    EDIT: Now I notice it, you yourself define MAX_FILE_SIZE = 100000 bytes < 100 KB in the hidden field. So your upload file can not exceed 100kB for sure. If you want to upload larger file, you must increase that value.

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