src/PEAR/Command/Channels.php
function doDelete($command, $options, $params)
    {
        if (count($params) !== 1) {
            return $this->raiseError('channel-delete: no channel specified');
        }

        $reg = &$this->config->getRegistry();
        if (!$reg->channelExists($params[0])) {
            return $this->raiseError('channel-delete: channel "' . $params[0] . '" does not exist');
        }

        $channel = $reg->channelName($params[0]);
        if ($channel == 'pear.php.net') {
            return $this->raiseError('Cannot delete the pear.php.net channel');
        }

        if ($channel == 'pecl.php.net') {
            return $this->raiseError('Cannot delete the pecl.php.net channel');
        }

        if ($channel == 'doc.php.net') {
            return $this->raiseError('Cannot delete the doc.php.net channel');
        }

        if ($channel == '__uri') {
            return $this->raiseError('Cannot delete the __uri pseudo-channel');
        }

        if (PEAR::isError($err = $reg->listPackages($channel))) {
            return $err;
        }

        if (count($err)) {
            return $this->raiseError('Channel "' . $channel .
                '" has installed packages, cannot delete');
        }

        if (!$reg->deleteChannel($channel)) {
            return $this->raiseError('Channel "' . $channel . '" deletion failed');
        } else {
            $this->config->deleteChannel($channel);
            $this->ui->outputData('Channel "' . $channel . '" deleted', $command);
        }
    }
function doDelete($command, $options, $params)
    {
        if (count($params) !== 1) {
            return $this->raiseError('channel-delete: no channel specified');
        }

        $reg = &$this->config->getRegistry();
        if (!$reg->channelExists($params[0])) {
            return $this->raiseError('channel-delete: channel "' . $params[0] . '" does not exist');
        }

        $channel = $reg->channelName($params[0]);
        if ($channel == 'pear.php.net') {
            return $this->raiseError('Cannot delete the pear.php.net channel');
        }

        if ($channel == 'pecl.php.net') {
            return $this->raiseError('Cannot delete the pecl.php.net channel');
        }

        if ($channel == 'doc.php.net') {
            return $this->raiseError('Cannot delete the doc.php.net channel');
        }

        if ($channel == '__uri') {
            return $this->raiseError('Cannot delete the __uri pseudo-channel');
        }

        if (PEAR::isError($err = $reg->listPackages($channel))) {
            return $err;
        }

        if (count($err)) {
            return $this->raiseError('Channel "' . $channel .
                '" has installed packages, cannot delete');
        }

        if (!$reg->deleteChannel($channel)) {
            return $this->raiseError('Channel "' . $channel . '" deletion failed');
        } else {
            $this->config->deleteChannel($channel);
            $this->ui->outputData('Channel "' . $channel . '" deleted', $command);
        }
    }
}}}