In what scenarios would copying an external image to a local space be a viable solution for determining its dimensions in PHP?

When you need to determine the dimensions of an external image in PHP, one viable solution is to copy the image to a local space and then use PHP functions like `getimagesize()` to retrieve its dimensions. This approach allows you to work with the image locally without relying on external resources, making it easier to manipulate and retrieve its dimensions.

// URL of the external image
$imageUrl = 'https://example.com/image.jpg';

// Copy the image to a local file
$localImagePath = 'local_image.jpg';
file_put_contents($localImagePath, file_get_contents($imageUrl));

// Get the dimensions of the local image
$dimensions = getimagesize($localImagePath);
$width = $dimensions[0];
$height = $dimensions[1];

// Output the dimensions
echo "Width: $width, Height: $height";