/**
* automaticaly convert XML from the specified XML string and return as CSV string
* @param string $url
*/
public static function convertString($xmlString)
{
$x = new XmlToCsv();
echo $x->xml($xmlString)->autoConvert();
}
/**
* This is the function which does the whole magic conversion.
* All previously set up paramtere are used to extend the default functionality.
*
* @return mixed
* - string - if $output is set to 'string' and the conversion is OK
* - bool - otherwise. True on success and false on failure
*/
public function autoConvert($map = null)
{
$o = $this->output;
// save the output setting for later
$this->output('array');
// return the parsed XML as an array
$m = $this->map;
// save the map setting for later
$this->map(array());
// do not map any fields in the XML, just return them as they are
$csv = parent::autoConvert();
$this->output($o);
$this->map($m);
// return the previous setting
if ($map !== null) {
$this->map($map);
}
unset($csv[0]);
$new = array();
foreach ($csv as $key => $value) {
if ($this->importFrom > $key or $this->importTo < $key) {
continue;
}
// only process values in the selected range
foreach ($this->map as $k => $v) {
if ($k == '##IMAGE##') {
continue;
}
// this is a special field, it should not go to the output
if (!is_array($v)) {
$fields = explode(';', $v);
} else {
$fields = $v;
}
if ($k == 'description') {
$new[$key][$k] = '<![CDATA[';
} else {
$new[$key][$k] = '';
}
foreach ($fields as $f) {
switch ($f) {
case '##IMAGE##':
$new[$key][$k] .= isset($value[$this->map[$f]]) ? "<img src=\"" . htmlspecialchars($value[$this->map[$f]]) . "\" />" : '';
break;
default:
$new[$key][$k] .= isset($value[trim($f)]) ? $value[trim($f)] : $f;
break;
}
}
if ($k == 'description') {
$new[$key][$k] .= ']]>';
}
// re-format the date to RFC-822
if ($k == 'pubDate') {
$new[$key][$k] = self::formatDate($new[$key][$k]);
}
}
}
if ($this->output == 'array') {
return $new;
}
ob_start();
echo "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n";
echo "<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n";
echo " <channel>\n";
foreach ($this->channel as $key => $value) {
switch ($key) {
case "pubDate":
echo " <{$key}>" . self::formatDate($value) . "</{$key}>\n";
break;
case "image":
echo " <image>\n";
foreach ($value as $k => $v) {
echo " <{$k}>{$v}</{$k}>\n";
}
echo " </image>\n";
break;
default:
echo " <{$key}>{$value}</{$key}>\n";
break;
}
}
echo ' <atom:link href="http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] . '" rel="self" type="application/rss+xml" />' . "\n";
foreach ($new as $key => $value) {
echo " <item>\n";
foreach ($value as $k => $v) {
switch ($k) {
case "media":
case "enclosure":
echo " <{$k} ";
$v = trim(preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n]+/", "\n", $v));
$v = explode(PHP_EOL, $v);
echo 'url="' . trim($v[0]) . '" length="' . trim($v[3]) . '" type="' . trim($v[2]) . '" title="' . trim($v[4]) . '"';
echo " />\n";
break;
default:
echo " <{$k}>{$v}</{$k}>\n";
break;
}
}
echo " </item>\n";
}
echo " </channel>\n";
echo "</rss>";
if ($this->output == 'file') {
header("Content-Disposition: attachment; filename=\"" . $this->filename . "\";");
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", false);
header("Content-Transfer-Encoding: binary");
}
if ($this->output == 'echo' or $this->output == 'file') {
header('Content-Type: application/rss+xml; charset=utf-8');
echo ob_get_clean();
return true;
} else {
return ob_get_clean();
}
}
