/**
* Returns an instance of a Auth_Yadis_XMLParser subclass based on
* the availability of PHP extensions for XML parsing. If
* Auth_Yadis_setDefaultParser has been called, the parser used in
* that call will be returned instead.
*/
function &Auth_Yadis_getXMLParser()
{
global $__Auth_Yadis_defaultParser;
if (isset($__Auth_Yadis_defaultParser)) {
return $__Auth_Yadis_defaultParser;
}
$p = null;
$classname = null;
$extensions = Auth_Yadis_getSupportedExtensions();
// Return a wrapper for the resident implementation, if any.
foreach ($extensions as $name => $params) {
if (!extension_loaded($name)) {
foreach ($params['libname'] as $libname) {
if (@dl($libname)) {
$classname = $params['classname'];
}
}
} else {
$classname = $params['classname'];
}
if (isset($classname)) {
$p = new $classname();
return $p;
}
}
if (!isset($p)) {
trigger_error('No XML parser was found', E_USER_ERROR);
} else {
Auth_Yadis_setDefaultParser($p);
}
return $p;
}
/**
* Returns an instance of a Auth_Yadis_XMLParser subclass based on
* the availability of PHP extensions for XML parsing. If
* Auth_Yadis_setDefaultParser has been called, the parser used in
* that call will be returned instead.
*/
function Auth_Yadis_getXMLParser()
{
global $__Auth_Yadis_defaultParser;
if (isset($__Auth_Yadis_defaultParser)) {
return $__Auth_Yadis_defaultParser;
}
foreach (Auth_Yadis_getSupportedExtensions() as $extension => $classname) {
if (extension_loaded($extension)) {
$p = new $classname();
Auth_Yadis_setDefaultParser($p);
return $p;
}
}
return false;
}