parser = xml_parser_create($encoding);
xml_set_object($this->parser, &$this);
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1);
xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
xml_set_element_handler($this->parser, "start_element", "stop_element");
xml_set_character_data_handler($this->parser, "char_data");
}
function force_to_array() {
for ($i = 0; $i < func_num_args(); $i++) {
$this->force_to_array[] = func_get_arg($i);
}
}
/* Parse XML data, storing it in the instance variable; returns false if the data cannot be parsed. */
function parse($data) {
$this->tree = array();
if (!xml_parse($this->parser, $data, 1)) {
$this->error = "xml parse error: " .
xml_error_string(xml_get_error_code($this->parser)) .
" on line ".xml_get_current_line_number($this->parser);
return false;
}
return $this->tree[0]["content"];
}
function parse_file($file) {
$fp = @fopen($file, "r");
if (!$fp) {
user_error("unable to open file: '$file'");
return false;
}
while ($data = fread($fp, 4096)) {
if (!xml_parse($this->parser, $data, feof($fp))) {
user_error("xml parse error: " .
xml_error_string(xml_get_error_code($this->parser)) .
" on line " . xml_get_current_line_number($this->parser));
}
}
fclose($fp);
return $this->tree[0]["content"];
}
function encode_as_xml($value) {
if (is_array($value)) {
reset($value); $out = '';
while (list($key,$val) = each($value)) {
if (is_array($val) && isset($val[0])) {
reset($val);
while (list(,$item) = each($val)) {
$out .= "<$key>".xml_simple::encode_as_xml($item)."";
}
} else {
$out .= "<$key>".xml_simple::encode_as_xml($val)."";
}
}
return $out;
} else {
return htmlspecialchars($value);
}
}
function start_element($parser, $name, $attrs) {
array_unshift($this->tree, array("name" => $name));
}
function stop_element($parser, $name) {
if ($name != $this->tree[0]["name"]) die("incorrect nesting");
if (count($this->tree) > 1) {
$elem = array_shift($this->tree);
if (isset($this->tree[0]["content"][$elem["name"]])) {
if (is_array($this->tree[0]["content"][$elem["name"]]) && isset($this->tree[0]["content"][$elem["name"]][0])) {
array_push($this->tree[0]["content"][$elem["name"]], $elem["content"]);
} else {
$this->tree[0]["content"][$elem["name"]] =
array($this->tree[0]["content"][$elem["name"]],$elem["content"]);
}
} else {
if (in_array($elem["name"],$this->force_to_array)) {
$this->tree[0]["content"][$elem["name"]] = array($elem["content"]);
} else {
if (!isset($elem["content"])) $elem["content"] = "";
$this->tree[0]["content"][$elem["name"]] = $elem["content"];
}
}
}
}
function char_data($parser, $data) {
# don't add a string to non-string data
if (!is_string($this->tree[0]["content"]) && !preg_match("/\\S/", $data)) return;
$this->tree[0]["content"] .= $data;
}
}