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# PEAR_DependencyDB::getDependentPackages()

PEAR_DependencyDB::getDependentPackages() -- Get a list of installed packages that depend on this package

## Synopsis

    require_once '/DependencyDB.php';

```array|false` PEAR_DependencyDB::getDependentPackages` (PEAR_PackageFile_v1|PEAR_PackageFile_v2|array &$pkg)`

## Description

This is most useful at uninstall-time. A list of installed packages that depend upon the package can be used to prevent uninstallation, and to emit warnings for optional dependencies.

## 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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PEAR_DependencyDB::getDependentPackageDependencies() | Up | PEAR_DependencyDB::hasWriteAccess()