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https://github.com/smarty-php/smarty.git
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62 lines
1.8 KiB
PHP
62 lines
1.8 KiB
PHP
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<?php
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/*
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* Smarty plugin
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* -------------------------------------------------------------
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* Type: function
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* Name: html_image
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* Version: 1.0
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* Date: Feb 24, 2003
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* Author: Monte Ohrt <monte@ispi.net>
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* Purpose: format HTML tags for the image
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* Input: name = name of image (required)
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* border = border width (optional, default 0)
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* height = image height (optional, default actual height)
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* image =image width (optional, default actual width)
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* basedir= base directory for absolute paths, default
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* is environment variable DOCUMENT_ROOT
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*
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* Examples: {image name="images/masthead.gif"}
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* Output: <img src="images/masthead.gif" border=0 width=400 height=23>
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* -------------------------------------------------------------
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*/
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function smarty_function_html_image($params, &$smarty)
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{
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$name = '';
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$border = 0;
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$height = null;
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$width = null;
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$basedir = isset($GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'])
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? $GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'] : null;
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extract($params);
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if (empty($name)) {
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$smarty->trigger_error("html_image: missing 'name' parameter", E_USER_ERROR);
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}
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if(substr($name,0,1) == DIR_SEP) {
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$_image_path = $basedir . DIR_SEP . $name;
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} else {
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$_image_path = $name;
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}
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if(!file_exists($_image_path)) {
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$smarty->trigger_error("html_image: unable to find '$_image_path'", E_USER_ERROR);
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}
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if(!is_readable($_image_path)) {
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$smarty->trigger_error("html_image: unable to read '$_image_path'", E_USER_ERROR);
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}
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if(!$_image_data = getimagesize($_image_path)) {
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$smarty->trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_ERROR);
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}
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return "<img src=\"$name\" border=\"$border\" ".$_image_data[3].'>';
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}
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/* vim: set expandtab: */
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?>
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