Lazy method but work - Helper for get baseUrl and basePath for website/webapp development

helper-web-path.php

<?php

if ( ! function_exists('basePath'))
{
    /**
     * Get the path to the base of the install.
     *
     * @param  string  $path
     * @return string
     */
    function basePath($path = '')
    {
        $baseData = $_SERVER['SCRIPT_FILENAME'];
        $posIndex = strpos( $baseData, '/'.basename($baseData));
        $base = substr( $baseData, 0, $posIndex);

        $base = $path ? $base.'/'.$path : $base;
        return $base;
    }
}

if (! function_exists('baseUrl'))
{
    /**
     * Get base path of url
     *
     * @param  string  $path
     * @return string
     */
    function baseUrl($path = '')
    {
        $baseData = $_SERVER['PHP_SELF'];
        $posIndex = strpos( $baseData, '/'.basename($baseData));
        $base = substr( $baseData, 0, $posIndex);

        $base = $path ? $base.'/'.$path : $base;
        return $base;
    }
}