libs/plugins/function.html_image.php

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<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */


/**
 * Smarty {html_image} function plugin
 *
 * Type:     function<br>
 * Name:     html_image<br>
 * Date:     Feb 24, 2003<br>
 * Purpose:  format HTML tags for the image<br>
 * Input:<br>
 *         - file = file (and path) of image (required)
 *         - height = image height (optional, default actual height)
 *         - width = image width (optional, default actual width)
 *         - basedir = base directory for absolute paths, default
 *                     is environment variable DOCUMENT_ROOT
 *         - path_prefix = prefix for path output (optional, default empty)
 *
 * Examples: {html_image file="/images/masthead.gif"}
 * Output:   <img src="/images/masthead.gif" width=400 height=23>
 * @link http://smarty.php.net/manual/en/language.function.html.image.php {html_image}
 *      (Smarty online manual)
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @author credits to Duda <duda@big.hu> - wrote first image function
 *           in repository, helped with lots of functionality
 * @version  1.0
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
function smarty_function_html_image($params, &$smarty)
{
    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
    
    $alt = '';
    $file = '';
    $height = '';
    $width = '';
    $extra = '';
    $prefix = '';
    $suffix = '';
    $path_prefix = '';
    $server_vars = ($smarty->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
    $basedir = isset($server_vars['DOCUMENT_ROOT']) ? $server_vars['DOCUMENT_ROOT'] : '';
    foreach($params as $_key => $_val) {
        switch($_key) {
            case 'file':
            case 'height':
            case 'width':
            case 'dpi':
            case 'path_prefix':
            case 'basedir':
                $$_key = $_val;
                break;