high-level.php

<?php

class Html {
    public function renderSelect($name, $options) {
        //
    }
    
    public function renderCampaignsSelect() {
        return $this->renderSelect('campaign_id', $repository->listsCampaigns());
    }
    
    public function renderAccountsSelect() {
        return $this->renderSelect('account_id', $repository->listsAccounts());
    }
}

class Repository {
    public function lists($repositoryName, $keyColumn, $valueColumn) {
        //
    }
    
    public function listsCampaigns() {
        return $this->lists('campaigns', 'id', 'name');
    }
    
    public function listsAccounts() {
        return $this->lists('accounts', 'id', 'company');
    }
}

#

$html->renderCampaignsSelect();
$html->renderAccountsSelect();

low-level.php

<?php

class Html {
    public function renderSelect($name, $options) {
        //
    }
}

class Repository {
    public function lists($repositoryName, $keyColumn, $valueColumn) {
        //
    }
}

#

$html->renderSelect('campaign_id', $repository->lists('campaigns', 'id', 'name'));
$html->renderSelect('account_id', $repository->lists('accounts', 'id', 'company'));