Get Current URL

getCurrentUrl.php

<?php

/**
 * Get current URL
 *
 * @param boolean $echo (Optional) Whether to echo or return value.
 *
 * @return string
 * @access public
 */
function getCurrentUrl($echo = false)
{
    $currentUrl = 'http'. ((isset($_SERVER['HTTPS'])) ? 's' : '') .'://'. $_SERVER['SERVER_NAME'];
    $currentUrl .= ('80' != $_SERVER['SERVER_PORT'])
        ? $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI']
        : $_SERVER['REQUEST_URI'];

    return ($echo) ? _e($currentUrl) : $currentUrl;
}