A PHP trait that adds to each attribute methods `getXxx`, `setXxx`, `isXxx` and `hasXxx`

ParameterContainerTrait.php

<?php

namespace Domain\Model;

/**
 * Behavior for parameters classes
 * 
 * For a given attribute, it will add methods `getXxx`, `setXxx`, `isXxx` and `hasXxx`
 * ex:
 *      an attribute `$foo` will be settable with `setFoo('bar')`
 *      and will be gettable with `getFoo()`, `isFoo()` or `hasFoo()`
 */
trait ParameterContainerTrait
{
    /**
     * @var mixed
     */
    protected $parameter;

    /**
     * @param $method
     * @param $parameters
     * 
     * @return mixed
     * @throws \Exception
     */
    function __call($method, $parameters) {
        $parts = preg_split("/((?<=[a-z])(?=[A-Z])|(?=[A-Z][a-z]))/", $method);
        $verb = $parts[0];
        $attribute = mb_strtolower($parts[1]);

        switch ($verb) {
            case 'get':
            case 'is':
            case 'has':
                return $this->$attribute;
                break;
            case 'set':
                $this->$attribute = $parameters[0];
                break;
            default:
                throw new \Exception(sprintf('Method %s not implemented', $method));
                break;
        }
    }
}