<?php

namespace Composer\Repository;

use Composer\Package\AliasPackage;
use Composer\Package\PackageInterface;

/**
 * Provides getCanonicalPackages() to various repository implementations
 *
 * @internal
 */
trait CanonicalPackagesTrait
{
	/**
	 * Get unique packages (at most one package of each name), with aliases resolved and removed.
	 *
	 * @return PackageInterface[]
	 */
	public function getCanonicalPackages()
	{
		$packages = $this->getPackages();

		// get at most one package of each name, preferring non-aliased ones
		$packagesByName = [];
		foreach ($packages as $package) {
		    if (!isset($packagesByName[$package->getName()]) || $packagesByName[$package->getName()] instanceof AliasPackage) {
		        $packagesByName[$package->getName()] = $package;
		    }
		}

		$canonicalPackages = [];

		// unfold aliased packages
		foreach ($packagesByName as $package) {
		    while ($package instanceof AliasPackage) {
		        $package = $package->getAliasOf();
		    }

		    $canonicalPackages[] = $package;
		}

		return $canonicalPackages;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTkyOTgxNDc1NjAxODUxMiA5MzEwMTE3Njk4MTAyOTQgMzA0NjE3NTM5ODMzMjg0