| Title |
Author |
Price |
User Rating |
";
break;
case "TITLE":
echo "";
break;
case "AUTHOR":
echo " | ";
break;
case "PRICE":
echo " | ";
break;
case "RATING":
echo " | ";
break;
default:
break;
}
}
function endElement($parser, $name) {
global $currentTag;
// output closing HTML tags
switch ($name) {
case "BOOK":
echo "";
break;
case "TITLE":
echo " | ";
break;
case "AUTHOR":
echo "";
break;
case "PRICE":
echo "";
break;
case "RATING":
echo "";
break;
default:
break;
}
// clear current tag variable
$currentTag = "";
}
// process data between tags
function characterData($parser, $data) {
global $currentTag;
// text ratings
$ratings = array("Words fail me!", "Terrible", "Bad",
"Indifferent", "Good", "Excellent");
// format the data
switch ($currentTag) {
case "TITLE":
// italics for title
echo "$data";
break;
case "AUTHOR":
echo $data;
break;
case "PRICE":
// add currency symbol for price
echo "$" . $data;
break;
case "RATING":
// get text rating
echo $ratings[$data];
break;
default:
break;
}
}
// initialize parser
$xml_parser = xml_parser_create();
// set callback functions
xml_set_element_handler($xml_parser, "startElement",
"endElement");
xml_set_character_data_handler($xml_parser, "characterData");
// open XML file
if (!($fp = fopen($file, "r")))
{
die("Cannot locate XML data file: $file");
}
// read and parse data
while ($data = fread($fp, 4096))
{
// error handler
if (!xml_parse($xml_parser, $data, feof($fp)))
{
die(sprintf("XML error: %s at line %d",
xml_error_string(xml_get_error_code($xml_parser)),
xml_get_current_line_number($xml_parser)));
}
}
// clean up
xml_parser_free($xml_parser);
?>