If you use strict_types=1, you'll get the warning "Notice: Resource ID#... used as offset, casting to integer".
Use
<?php $depth[(int) $parser] ?>
instead of
<?php $depth[$parser] ?>
Este primeiro exemplo exibe a estrutura dos elementos de início em um documento com indentação.
Exemplo #1 Mostrar Estrutura de Elemento XML
<?php
$file = "data.xml";
$depth = 0;
function startElement($parser, $name, $attrs)
{
global $depth;
for ($i = 0; $i < $depth; $i++) {
echo " ";
}
echo "$name\n";
$depth++;
}
function endElement($parser, $name)
{
global $depth;
$depth--;
}
$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement", "endElement");
if (!($fp = fopen($file, "r"))) {
die("could not open XML input");
}
while ($data = fread($fp, 4096)) {
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)));
}
}
xml_parser_free($xml_parser);
?>
If you use strict_types=1, you'll get the warning "Notice: Resource ID#... used as offset, casting to integer".
Use
<?php $depth[(int) $parser] ?>
instead of
<?php $depth[$parser] ?>
The following example will echo back an xml file using the basic event based parser. Currently, (at least in the version of PHP5 I'm using) it will skip The XML declaration and the Doctype declaration--they don't seem to be captured by the default handler.
<?php
echo "<pre>";
$file = "test.xml";
echo $file."\n";
global $inTag;
$inTag = "";
$xml_parser = xml_parser_create();
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($xml_parser, XML_OPTION_SKIP_WHITE, 1);
xml_set_processing_instruction_handler($xml_parser, "pi_handler");
xml_set_default_handler($xml_parser, "parseDEFAULT");
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "contents");
if (!($fp = fopen($file, "r"))) {
if (!xml_parse($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)));
}
}
while ($data = fread($fp, 4096)) {
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)));
}
}
xml_parser_free($xml_parser);
function startElement($parser, $name, $attrs) {
global $inTag;
global $depth;
$padTag = str_repeat(str_pad(" ", 3), $depth);
if (!($inTag == "")) {
echo ">";
}
echo "\n$padTag<$name";
foreach ($attrs as $key => $value) {
echo "\n$padTag".str_pad(" ", 3);
echo " $key=\"$value\"";
}
$inTag = $name;
$depth++;
}
function endElement($parser, $name) {
global $depth;
global $inTag;
global $closeTag;
$depth--;
if ($closeTag == TRUE) {
echo "</$name>";
$inTag = "";
} elseif ($inTag == $name) {
echo " />";
$inTag = "";
} else {
$padTag = str_repeat(str_pad(" ", 3), $depth);
echo "\n$padTag</$name>";
}
}
function contents($parser, $data) {
global $closeTag;
$data = preg_replace("/^\s+/", "", $data);
$data = preg_replace("/\s+$/", "", $data);
if (!($data == "")) {
echo ">$data";
$closeTag = TRUE;
} else {
$closeTag = FALSE;
}
}
function parseDEFAULT($parser, $data) {
$data = preg_replace("/</", "<", $data);
$data = preg_replace("/>/", ">", $data);
echo $data;
}
function pi_handler($parser, $target, $data) {
echo "<?$target $data?>\n";
}
echo "</pre>";
?>
<?php
public static function xml2array($element, $arr = array())
{
if(is_string($element))
{
$element = (strlen($element) > 5 && substr($element, -4) === '.xml')
? simplexml_load_file(DATAPATH.$element)
: simplexml_load_string($element);
}
$iter = 0;
foreach($element->children() as $b)
{
$a = $b->getName();
if(!$b->children()){
$arr[$a] = trim($b[0]);
}
else{
$arr[$a][$iter] = array();
$arr[$a][$iter] = self::xml2array($b,$arr[$a][$iter]);
}
$iter++;
}
return $arr;
}
}
?>