* @package phpHtmlLib * */ /** * This builds an IMG tag object that is used * to show a spacer image. * * * @param int $width - the width of the img * ( DEFAULT : 1) * @param int $height - the height of the img * ( DEFAULT : 1) * @param string $img_path - The dir that holds the spacer.gif file. * ( DEFAULT = "/images" ) * @return IMGtag object. */ function build_spacergif_imgtag( $width=1, $height=1, $img_path="/images" ) { $attributes = array( "src" => $img_path."/spacer.gif", "width" => $width, "height" => $height); return html_img( $img_path."/spacer.gif", $width, $height ); } /** * This function pushes an array of keys * into an HTMLTagObject * * @param object - the HTMLTagClass object. * @param array - the array of data to push * array("blah", "foo", "bar"); * @return HTMLTagClass object. */ function push_args( $tag_object, $args ) { foreach ($args as $content) { $tag_object->push( $content ); } return $tag_object; } /** * This function creates a new container widget * and stuffs all the args into it. * * @param mixed - variable # of args * @return ContainerWidget object */ function container() { $container = new ContainerWidget; $num_args = func_num_args(); for ($i=0;$i<$num_args;$i++) { $container->push(func_get_arg($i)); } return $container; } /** * This function is used to wrap * a string in the standard * CDATA section wrapper for a * tag content * * * * @param string the content to wrap */ function cdata_wrapper( $content ) { $tag = new CDATAtag; $num_args = func_num_args(); for ($i=0;$i<$num_args;$i++) { $tag->push(func_get_arg($i)); } return $tag; } /** * This function is used to replicate the information * provided by $_SERVER['REQUEST_URI'] which isn't * provided by IIS. * * If the value is available, it is used, of not, it * is constructed. * * @return string - the REQUEST_URI value */ function phl_request_uri() { if (!empty($_SERVER['REQUEST_URI'])) { return $_SERVER['REQUEST_URI']; } else { $uri = $_SERVER['SCRIPT_NAME']; if (!empty($_SERVER['QUERY_STRING'])) { $uri .= '?'.$_SERVER['QUERY_STRING']; } $_SERVER['REQUEST_URI'] = $uri; return $uri; } } /** * Determine if a URL exists. Code derived from * code found on www.php.net/fsockopen. * * @param string - URL * @return boolean - true if exists, false otherwise */ function phl_url_exists($url) { if (!$url_info = parse_url($url)) { return false ; } switch ($url_info['scheme']) { case 'https': $scheme = 'ssl://' ; $port = 443 ; break; case 'http': default: $scheme = '' ; $port = 80 ; } $data = ""; $fid = @fsockopen($scheme . $url_info['host'], $port, $errno, $errstr, 30) ; if ($fid) { fputs($fid, 'HEAD ' . (isset($url_info['path'])? $url_info['path']: '/') . (isset($url_info['query'])? '?' . $url_info['query']: '') . " HTTP/1.0\r\n" . "Connection: close\r\n" . 'Host: ' . $url_info['host'] . "\r\n\r\n"); while (!feof($fid)) { $data .= @fgets($fid, 128); } fclose($fid); return !empty($data); } else { return false; } } ?>