Method for the ReplaceableBehavior.php in https://gist.github.com/simkimsia/7460467

ReplaceableBehavior.php

/**
 * Replace all occurrences of unicorn in an array with super_duper_unicorn
 *
 * @param Model $Model
 * @param array $array
 * @return array
 */
	public function replaceWithSuper(Model $Model, $array = array()) {
		foreach ($array as $key => $value) {
			if (is_string($value) && $value == 'unicorn') {
				$array[$key] = 'super_duper_unicorn';
			}
		}

		return $array;
	}