<?php

/**

 * Smarty read include path plugin

 *

 * @package    Smarty

 * @subpackage PluginsInternal

 * @author     Monte Ohrt

 */

/**

 * Smarty Internal Read Include Path Class

 *

 * @package    Smarty

 * @subpackage PluginsInternal

 */

class Smarty_Internal_Get_Include_Path {

    /**

     * Return full file path from PHP include_path

     *

     * @param  string $filepath filepath

     *

     * @return string|boolean full filepath or false

     */

    public static function getIncludePath($filepath) {

        static $_include_path = null;

        if (function_exists('stream_resolve_include_path')) {

            // available since PHP 5.3.2

            return stream_resolve_include_path($filepath);

        }

        if ($_include_path === null) {

            $_include_path = explode(PATH_SEPARATOR, get_include_path());

        }

        foreach ($_include_path as $_path) {

            if (file_exists($_path . DS . $filepath)) {

                return $_path . DS . $filepath;

            }

        }

        return false;

    }

}