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# PEAR_DependencyDB::uninstallPackage()

PEAR_DependencyDB::uninstallPackage() -- Remove dependencies of a package that is being uninstalled, or upgraded.

## Synopsis

    require_once '/DependencyDB.php';

``void PEAR_DependencyDB::uninstallPackage` (PEAR_PackageFile_v1|PEAR_PackageFile_v2|array &$pkg)`

## Description

This method is used by the registry when a package is uninstalled or upgraded to remove the package's dependencies from the dependency database.

Upgraded packages first uninstall, then install

## Parameter

PEAR_PackageFile_v1|PEAR_PackageFile_v2|array `&$pkg`

  This parameter, if an array, should be in format:

      <?php
      array(
        'package' => 'packagename',
        'channel' => 'channelname'
      );
      ?>

## Throws

throws no exceptions thrown

## Note

This function can not be called statically.

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