Facebook即时文章PHP SDK调试行

我正在尝试将我的html页面转换为Facebook即时文章格式

我一直在屏幕上

调试-=====================================调试-

当我调用$transformer->transformString或 $transformer->transform$header，$document

为什么？我什么也不回应

这不是wordpress网站

$header =
    Header::create()
      ->withPublishTime(
        Time::create( Time::PUBLISHED )->withDatetime(
            \DateTime::createFromFormat(
              'j-M-Y G:i:s',
              date('j-M-Y G:i:s', strtotime($published_date))
            ))
      )
      ->withModifyTime(
        Time::create( Time::MODIFIED )->withDatetime(
            \DateTime::createFromFormat(
              'j-M-Y G:i:s',
              date('j-M-Y G:i:s', strtotime($last_modified_date))
            ))
      );
// Loads the rules configuration file

$rules_file_content = file_get_contents("rules-configuration.json", true); 
// Load html content from a file. 
//$content = file_get_contents("sample-html.html", true);
$content = get_the_content();

// Create a transformer object and load the rules
$transformer = new Transformer();
$transformer->loadRules($rules_file_content);
$document = new DOMDocument();
libxml_use_internal_errors(true);
$document->loadHTML( '<?xml encoding="' . $charset . '" ?><h1>' . $title . '</h1>' );
libxml_use_internal_errors(false);

$transformer->transform( $header, $document );

if($subtitle) {
  $header->withSubTitle ($subtitle);
}

if ( $kicker ) {
  $header->withKicker( $kicker );
}
    define( 'IA_PLUGIN_VERSION', '4.0.5' );

$instant_article =
      InstantArticle::create()
        ->withCanonicalUrl( $cannonical_link )
        ->withHeader( $header )
        ->addMetaProperty( 'op:generator:application', 'facebook-instant-articles' )
        ->addMetaProperty( 'op:generator:application:version', IA_PLUGIN_VERSION );
$instant_article->withStyle( 'default' );
$transformer->transformString( $instant_article, $content, $charset );
// Instantiate an API client
$client = Client::create(
  $APP_ID,
  $APP_SECRET,
  $ACCESS_TOKEN,
  $PAGE_ID,
  $is_development 
);
// Import the article
try {
    $client->importArticle($instant_article, $is_published);
} catch (Exception $e) {
    echo 'Could not import the article: '.$e->getMessage();
}

添加以下行：

\Logger::configure(
[
    'rootLogger' => [
        'appenders' => ['facebook-instantarticles-traverser']
    ],
    'appenders' => [
        'facebook-instantarticles-traverser' => [
            'class' => 'LoggerAppenderConsole',
            'threshold' => 'INFO',
            'layout' => [
                'class' => 'LoggerLayoutSimple'
            ]
        ]
    ]
]);

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来源：

@CBroe如何绕过它？处于开发模式？@LeopoldSpanovic如何检查？