Cake\ORM\Table::_dynamicFinder PHP Method

    protected function _dynamicFinder($method, $args)
    {
        $method = Inflector::underscore($method);
        preg_match('/^find_([\\w]+)_by_/', $method, $matches);
        if (empty($matches)) {
            // find_by_ is 8 characters.
            $fields = substr($method, 8);
            $findType = 'all';
        } else {
            $fields = substr($method, strlen($matches[0]));
            $findType = Inflector::variable($matches[1]);
        }
        $hasOr = strpos($fields, '_or_');
        $hasAnd = strpos($fields, '_and_');
        $makeConditions = function ($fields, $args) {
            $conditions = [];
            if (count($args) < count($fields)) {
                throw new BadMethodCallException(sprintf('Not enough arguments for magic finder. Got %s required %s', count($args), count($fields)));
            }
            foreach ($fields as $field) {
                $conditions[$this->aliasField($field)] = array_shift($args);
            }
            return $conditions;
        };
        if ($hasOr !== false && $hasAnd !== false) {
            throw new BadMethodCallException('Cannot mix "and" & "or" in a magic finder. Use find() instead.');
        }
        $conditions = [];
        if ($hasOr === false && $hasAnd === false) {
            $conditions = $makeConditions([$fields], $args);
        } elseif ($hasOr !== false) {
            $fields = explode('_or_', $fields);
            $conditions = ['OR' => $makeConditions($fields, $args)];
        } elseif ($hasAnd !== false) {
            $fields = explode('_and_', $fields);
            $conditions = $makeConditions($fields, $args);
        }
        return $this->find($findType, ['conditions' => $conditions]);
    }