backend = Backend::createBackend($this->_getParam('backend')); $this->view->url = Url::fromRequest(); } protected function handleFormatRequest($query) { if ($this->_getParam('format') === 'sql') { echo '

'
                . htmlspecialchars(wordwrap($query->dump()))
                . '

'; exit; } if ($this->_getParam('format') === 'json' || $this->_request->getHeader('Accept') === 'application/json') { header('Content-type: application/json'); echo json_encode($query->getQuery()->fetchAll()); exit; } if ($this->_getParam('format') === 'csv' || $this->_request->getHeader('Accept') === 'text/csv') { Csv::fromQuery($query)->dump(); exit; } } /** * Apply a restriction on the given data view * * @param string $restriction The name of restriction * @param Filterable $filterable The filterable to restrict * * @return Filterable The filterable */ protected function applyRestriction($restriction, Filterable $view) { $restrictions = Filter::matchAny(); foreach ($this->getRestrictions($restriction) as $filter) { $restrictions->addFilter(Filter::fromQueryString($filter)); } $view->applyFilter($restrictions); return $view; } }