--TEST--
libxml_set_external_entity_loader() basic test
--SKIPIF--
<?php if (!extension_loaded('dom')) die('skip dom extension not available'); ?>
--FILE--
<?php
$xml = <<<XML
<!DOCTYPE foo PUBLIC "-//FOO/BAR" "http://example.com/foobar">
<foo>bar</foo>
XML;

$dtd = <<<DTD
<!ELEMENT foo (#PCDATA)>
DTD;

libxml_set_external_entity_loader(
    function ($public, $system, $context) use($dtd){
        var_dump($public);
        var_dump($system);
        var_dump($context);
        $f = fopen("php://temp", "r+");
        fwrite($f, $dtd);
        rewind($f);
        return $f;
    }
);

$dd = new DOMDocument;
$r = $dd->loadXML($xml);
var_dump($dd->validate());

echo "Done.\n";

?>
--EXPECT--
string(10) "-//FOO/BAR"
string(25) "http://example.com/foobar"
array(4) {
  ["directory"]=>
  NULL
  ["intSubName"]=>
  NULL
  ["extSubURI"]=>
  NULL
  ["extSubSystem"]=>
  NULL
}
bool(true)
Done.