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编辑当前文件:/home/dcqnetm/intuns/wp-content/plugins/Facebook-Pixel-for-Wordpress-main/core/PixelRenderer.php

<?php
/*
 * Copyright (C) 2017-present, Meta, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

/**
 * @package FacebookPixelPlugin
 */

namespace FacebookPixelPlugin\Core;

use ReflectionClass;
use FacebookAds\Object\ServerSide\CustomData;

defined('ABSPATH') or die('Direct access not allowed');

class PixelRenderer {
  const EVENT_ID = 'eventID';
  const TRACK = 'track';
  const TRACK_CUSTOM = 'trackCustom';
  const FB_INTEGRATION_TRACKING = 'fb_integration_tracking';
  const SCRIPT_TAG = "<script type='text/javascript'>%s</script>";
  const FBQ_EVENT_CODE = "
  fbq('%s', '%s', %s, %s);
";
  const FBQ_AGENT_CODE = "
  fbq('set', 'agent', '%s', '%s');";

public static function render($events, $fb_integration_tracking,
    $script_tag = true) {
    if (empty($events)) {
      return "";
    }
    // The first line of the injected script will set the agent
    // for all the events passed in $events
    $code = sprintf(
      self::FBQ_AGENT_CODE,
      FacebookWordpressOptions::getAgentString(),
      FacebookWordpressOptions::getPixelId()
    );
    foreach ($events as $event) {
      $code .= self::getPixelTrackCode($event, $fb_integration_tracking);
    }
    return $script_tag ? sprintf(self::SCRIPT_TAG, $code) : $code;
  }

private static function getPixelTrackCode($event, $fb_integration_tracking) {
    $event_data[self::EVENT_ID] = $event->getEventId();

$custom_data = $event->getCustomData() !== null ?
                    $event->getCustomData() :
                    new CustomData();

$normalized_custom_data = $custom_data->normalize();
    if (!is_null($fb_integration_tracking)) {
      $normalized_custom_data[
        self::FB_INTEGRATION_TRACKING] = $fb_integration_tracking;
    }

$class = new ReflectionClass('FacebookPixelPlugin\Core\FacebookPixel');
    return sprintf(
      self::FBQ_EVENT_CODE,
      $class->getConstant(strtoupper($event->getEventName())) !== false
      ? self::TRACK : self::TRACK_CUSTOM,
      $event->getEventName(),
      json_encode($normalized_custom_data, JSON_PRETTY_PRINT),
      json_encode($event_data, JSON_PRETTY_PRINT)
    );
  }
}