Cakephp flatten

gistfile1.aw

<?php
// from my ApiComponent

/**
 * Flatten Model find data
 *
 * Will flatten data from a find or find multi response by moving the specified
 * className up to the root of the array.  Useful for converting find results to
 * REST responses.
 *
 * @param array $data single result or multi (indexed) find() results
 * @param string $className specifiy which you want to flatten, others untouched
 * @return flattened $data
 */
	public function flatten($data, $className = null) {

		if (!$className) {
			$className = $this->controller->modelClass;
		}

		if (isset($data[$className])) {
			$data = $this->flattenRecord($data, $className);
		} elseif(isset($data[0])) {
			foreach ($data as $iKey => $arrVal) {
				$data[$iKey] = $this->flattenRecord($arrVal, $className);
			}
		} elseif(isset($data['data'][0])) {
			foreach ($data['data'] as $iKey => $arrVal) {
				$data['data'][$iKey] = $this->flattenRecord($arrVal, $className);
			}
		}

		return $data;

	}

/**
 * Flatten a single record
 *
 * Intended to be called only from $this->flatten but left public in case you
 * know you're only dealing with a single record.
 *
 * @param array $data single find result with className in the root
 * @param string $className The key in the array you want flattened
 * @return array flattened data
 */
	public function flattenRecord($data, $className = null) {

		if (!$className) {
			$className = $this->controller->modelClass;
		}
		
		if (isset($data[$className])) {
			foreach ($data[$className] as $field => $value) {
				$data[$field] = $value;
				unset($data[$className][$field]);
			}
			unset($data[$className]);
		}

		return $data;

	}