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Page Reference not selected

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Hello, I have a Page Reference by template radio button field to promote a certain page (only two options), but I'd like to target the page that isn't selected. This would be used dynamically throughout the site.

Does anyone know how I could accomplish this? Would I use something like remove() or not()?

 

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                    $main = "";
					$promoted = "";

					$promoted = $homepage->promote;

                    $main = $pages->find('template=main')->remove($promoted);
                    foreach($main as $ma) {
                        echo "<h5>$ma->title</h5>";
                    }

This appears to have worked 👍🏼

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                    $main = $promoted->next();
                    echo "<h5>$main->title</h5>";

This is more concise 👏🏼

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