I am new to using XML and PHP for that matter. I have made some great
progress with the latter however.
My current problem is that I am trying to parse a relatively simple XML
file. The file can be found at
http://quotes.nasdaq.com/quote.dll?page=xml&mode=stock&symbol=ikn. I used
pieces of a sample file to create the following script:
$sym="ikn";
$file =
"http://quotes.nasdaq.com/quote.dll?page=xml&mode=stock&symbol=$sym";;
$StockStuff = array();
function startElement($parser, $name, $attribs) {
print "<<font color=\"#0000cc\">$name</font>";
if (sizeof($attribs)) {
while (list($k, $v) = each($attribs)) {
print " <font color=\"#009900\">$k</font>=\"<font
color=\"#990000\">$v</font>\"";
}
}
print ">";
}
function endElement($parser, $name) {
// print "</<font color=\"#0000cc\">$name</font>>";
}
function characterData($parser, $data) {
print "<b>$data</b><br>";
////////////The problem lies here ---
///////////The array is not initializing prior to this statement and I am
not sure how.
array_push($StockStuff, $data);
}
function PIHandler($parser, $target, $data) {
switch (strtolower($target)) {
case "php":
global $parser_file;
// If the parsed document is "trusted", we say it is safe
// to execute PHP code inside it. If not, display the code
// instead.
if (trustedFile($parser_file[$parser])) {
eval($data);
} else {
printf("Untrusted PHP code: <i>%s</i>",
htmlspecialchars($data));
}
break;
}
}
function defaultHandler($parser, $data) {
if (substr($data, 0, 1) == "&" && substr($data, -1, 1) == ";") {
printf('<font color="#aa00aa">%s</font>',
htmlspecialchars($data));
} else {
printf('<font size="-1">%s</font>',
htmlspecialchars($data));
}
}
function externalEntityRefHandler($parser, $openEntityNames, $base,
$systemId,
$publicId) {
if ($systemId) {
if (!list($parser, $fp) = new_xml_parser($systemId)) {
printf("Could not open entity %s at %s\n", $openEntityNames,
$systemId);
return false;
}
while ($data = fread($fp, 4096)) {
if (!xml_parse($parser, $data, feof($fp))) {
printf("XML error: %s at line %d while parsing entity %s\n",
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser),
$openEntityNames);
xml_parser_free($parser);
return false;
}
}
xml_parser_free($parser);
return true;
}
return false;
}
function new_xml_parser($file) {
global $parser_file;
$xml_parser = xml_parser_create();
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 1);
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
xml_set_processing_instruction_handler($xml_parser, "PIHandler");
xml_set_default_handler($xml_parser, "defaultHandler");
xml_set_external_entity_ref_handler($xml_parser,
"externalEntityRefHandler");
if (!($fp = @fopen($file, "r"))) {
return false;
}
if (!is_array($parser_file)) {
settype($parser_file, "array");
}
$parser_file[$xml_parser] = $file;
return array($xml_parser, $fp);
}
if (!(list($xml_parser, $fp) = new_xml_parser($file))) {
die("could not open XML input");
}
print "<pre>";
while ($data = fread($fp, 4096)) {
if (!xml_parse($xml_parser, $data, feof($fp))) {
die(sprintf("XML error: %s at line %d\n",
xml_error_string(xml_get_error_code($xml_parser)),
xml_get_current_line_number($xml_parser)));
}
}
print "</pre>";
xml_parser_free($xml_parser);
print "Array = $StockStuff[0]<br>\n";
Ok so the problem is that I get an error telling me I have to create the
array first. If you can't tell, what I am trying to do is push the $data
part of the XML file into an array. There is probable 100+ better ways to do
this, but I can't figure how to get the information I want. I just wanted a
simple, very simple, stock retrieval piece of script. Everything I see is
too long and complex. So I thought I would simply parse this XML file. Benn
at it for two days now. I can easily get a CSV string from YAHOO.COm, but I
am not sure how to get that into an array either.
Any help here would be great. Either completely parsing the file or some way
of pushing the $data into the array $StockStuff
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