# Prompt 10: PHP File Upload with Security Best Practices Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field for uploading files. 2. Use PHP to handle the file upload and check for security best practices, such as checking for valid file types and restricting file extensions. 3. Rename the uploaded file to a unique name before saving it. 4. Store the file in a secure directory with restricted access. 5. Display a success message after the file is uploaded successfully. Additional considerations: 1. Use PHP to restrict file extensions (e.g., only allow images or PDFs). 2. Implement server-side file validation and ensure the file is not executable. 3. Use PHP to securely save the uploaded file to the server. Expected output: A PHP file upload system that implements security best practices such as file type validation, file renaming, and secure file storage.
# Prompt 9: PHP File Upload with File Preview Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Use PHP to handle the file upload. 3. Before submitting the form, use JavaScript to preview the selected file (for images, show a thumbnail preview). 4. After uploading, display the file (or image) on the page. 5. Ensure that the file is uploaded to a secure directory on the server. Additional considerations: 1. Use JavaScript to dynamically preview the file before submitting the form. 2. Validate the file type before uploading (allow only certain file types such as images). 3. Display the uploaded file or image on the page after the upload is complete. Expected output: A PHP file upload system that allows users to preview files before submitting and displays the file after uploading.
# Prompt 8: PHP File Upload with File Permissions Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Use PHP to handle the file upload and set proper file permissions (e.g., read and write permissions for the server). 3. Ensure that only authorized users can upload files by checking user authentication status. 4. Display a success message once the file is uploaded with the correct permissions. 5. Handle file upload errors with appropriate error messages. Additional considerations: 1. Ensure that the uploaded files are accessible only to authorized users. 2. Set appropriate file permissions using PHP’s chmod() function. 3. Make sure that the uploaded file is stored securely on the server. Expected output: A PHP file upload system that sets proper file permissions and handles authentication for file uploads.
# Prompt 7: PHP File Upload with File Validation and Error Handling Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field for uploading files. 2. Use PHP to handle the file upload and check for common file upload errors (e.g., file too large, file type not allowed). 3. Display detailed error messages if the file fails to upload. 4. Store the uploaded file in a secure directory on the server. 5. Display a success message with the file path after the file is uploaded. Additional considerations: 1. Use PHP to validate the file size and type before uploading the file. 2. Implement error handling for each stage of the upload process. 3. Ensure the uploaded file is stored in a protected location on the server. Expected output: A PHP file upload system with robust validation, error handling, and success messages upon successful file upload.
# Prompt 6: PHP File Upload with Image Resizing Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field for uploading images. 2. Use PHP to handle the file upload and resize the image after it is uploaded. 3. Set a maximum width and height for the uploaded images (e.g., 800x600 pixels). 4. Store the resized image in a secure directory on the server. 5. Display a success message after the image is uploaded and resized. Additional considerations: 1. Use PHP’s GD library or ImageMagick for resizing the image. 2. Validate the uploaded file to ensure it is an image (e.g., JPEG, PNG, GIF). 3. Display the resized image after the upload is complete. Expected output: A PHP file upload system that resizes uploaded images and stores them securely on the server.
# Prompt 5: PHP File Upload with File Renaming Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Use PHP to handle the file upload and rename the uploaded file before saving it on the server. 3. Ensure the new filename is unique to prevent overwriting existing files. 4. Provide a success message after the file is uploaded successfully. 5. Display an error message if the file upload fails. Additional considerations: 1. Use PHP to generate a unique filename based on the original name and current timestamp. 2. Validate the file type and size before renaming and uploading the file. 3. Ensure that the file is uploaded to a secure directory on the server. Expected output: A PHP file upload system that renames the uploaded file with a unique name before saving it on the server, with validation and error handling.
# Prompt 4: PHP File Upload with Progress Bar Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Implement a progress bar to show the upload progress. 3. Use PHP to handle the file upload on the server side. 4. Use JavaScript (AJAX) to update the progress bar in real time as the file uploads. 5. Provide a success message after the file is uploaded. Additional considerations: 1. Use PHP to check the file type and size before starting the upload. 2. The progress bar should be updated via JavaScript as the file upload progresses. 3. Make sure that the file is uploaded to a secure location on the server. Expected output: A PHP file upload system with a progress bar that shows real-time upload status and includes validation for file type and size.
# Prompt 3: PHP File Upload with Multiple File Support Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form that allows multiple files to be uploaded. 2. Use PHP to handle the multiple file upload and store them in a designated directory. 3. Ensure that the form uses enctype="multipart/form-data" for handling multiple files. 4. Display a success message after each file is uploaded. 5. Display an error message if any file fails to upload. Additional considerations: 1. Limit the total number of files that can be uploaded at once. 2. Validate the file types and sizes before uploading. 3. Provide a list of the uploaded files after the form is submitted. Expected output: A PHP file upload system that supports multiple file uploads, validates file types and sizes, and displays success and error messages accordingly.
# Prompt 2: PHP File Upload with Type Validation Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Use PHP to handle the file upload and check the file type (e.g., only allow images like JPEG, PNG, GIF). 3. Restrict the file size to a certain limit (e.g., 5MB). 4. Display an error message if the uploaded file exceeds the allowed size or type. 5. Ensure that the file is saved to a secure directory on the server. Additional considerations: 1. Use PHP to validate the MIME type of the uploaded file. 2. Provide a success message when the file is uploaded successfully. 3. Ensure the directory where files are uploaded is protected and only accessible to authorized users. Expected output: A PHP file upload system that validates the file type and size before saving it to the server.
# Prompt 1: Basic PHP File Upload Help me write PHP code for file upload functionality Code requirements: 1. Create an HTML form with a file input field. 2. Use PHP to handle the file upload when the form is submitted. 3. Save the uploaded file to a directory on the server. 4. Ensure that the form uses the enctype="multipart/form-data". 5. Display a success message after the file is uploaded successfully. 6. Display an error message if the file upload fails. Additional considerations: 1. Ensure the file is uploaded to a secure directory. 2. Use PHP to check the file type and size before uploading. 3. Provide a link to the uploaded file after successful upload. Expected output: A simple PHP script that handles file uploads with success and error messages, including file type and size validation.