Dhii/exception

<?php
 
namespace Dhii\Exception;
 
use RuntimeException as RootRuntimeException;
use Exception as RootException;
use Dhii\Util\String\StringableInterface as Stringable;
 
/**
 * Represents a problem with a function argument.
 *
 * @since [*next-version*]
 */
class RuntimeException extends RootRuntimeException implements RuntimeExceptionInterface
{
    /*
     * Functionality common to exceptions
     *
     * @since [*next-version*]
     */
    use ExceptionTrait;
 
    /**
     * @since [*next-version*]
     *
     * @param string|Stringable|int|float|bool|null $message  The message, if any.
     * @param int|float|string|Stringable|null      $code     The numeric error code, if any.
     * @param RootException|null                    $previous The inner exception, if any.
     */
    public function __construct($message = null, $code = null, RootException $previous = null)
    {
        $this->_initBaseException($message, $code, $previous);
        $this->_construct();
    }
 
    /**
     * Parameter-less constructor.
     *
     * Invoke this in actual constructor.
     *
     * @since [*next-version*]
     */
The method _construct is not named in camelCase.
    protected function _construct()
    {
    }
 
    /**
     * Calls the parent constructor.
     *
     * @param string        $message  The error message.
     * @param int           $code     The error code.
     * @param RootException $previous The inner exception, if any.
     *
     * @since [*next-version*]
     */
The method _initParent is not named in camelCase.
    protected function _initParent($message = '', $code = 0, RootException $previous = null)
    {
        parent::__construct($message, $code, $previous);
    }
}