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Gmagick::flopimage() is a function provided by the Gmagick extension in PHP to flip an image horizontally. It mirrors the image along a vertical axis.

Here is an example to use Gmagick::flopimage():

php
// Load the image
$image = new Gmagick('path/to/image.jpg');

// Flip the image horizontally
$image->flopimage();

// Save the modified image
$image->write('path/to/modified_image.jpg');


In the example above, we first create a Gmagick object by passing the path to the image file. Then, we call the flopimage() method on the object to flip the image horizontally. Finally, we save the modified image using the write() method.

Make sure you have the Gmagick extension installed and enabled in your PHP configuration for this to work.