How can JavaScript or PHP be used to detect whether an image was taken or uploaded in a PHP form?

To detect whether an image was taken or uploaded in a PHP form, you can check the file type of the image. Images taken from a camera are usually in formats like JPEG or PNG, while images uploaded from a device are also in these formats. You can use PHP to check the file type of the uploaded image to determine if it was taken or uploaded.

// Check if the uploaded file is an image
if(isset($_FILES['image']['tmp_name']) && getimagesize($_FILES['image']['tmp_name'])) {
    // Image was uploaded
    echo "Image was uploaded";
} else {
    // Image was taken
    echo "Image was taken";
}