diff --git a/app/util/ArgumentNames.php b/app/util/ArgumentNames.php
new file mode 100644
index 0000000..d271b57
--- /dev/null
+++ b/app/util/ArgumentNames.php
@@ -0,0 +1,251 @@
+<?php
+
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the 'License');
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an 'AS IS' BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace app\util;
+
+/**
+ * Provides argument name constants for examples.
+ */
+final class ArgumentNames
+{
+    public const ACCESS_ROLE = 'accessRole';
+    public const ADJUSTMENT_DATE_TIME = 'adjustmentDateTime';
+    public const ADJUSTMENT_TYPE = 'adjustmentType';
+    public const ADVERTISER_UPLOAD_DATE_TIME = 'advertiserUploadDateTime';
+    public const AD_ID = 'adId';
+    public const AD_GROUP_ID = 'adGroupId';
+    public const AD_GROUP_IDS = 'adGroupIds';
+    public const AD_PERSONALIZATION_CONSENT = 'adPersonalizationConsent';
+    public const AD_USER_DATA_CONSENT = 'adUserDataConsent';
+    public const ASSET_GROUP_ID = 'assetGroupId';
+    public const ATTRIBUTE_VALUE = 'attributeValue';
+    public const AUDIENCE_ID = 'audienceId';
+    public const BASE_CAMPAIGN_ID = 'baseCampaignId';
+    public const BID_MODIFIER_VALUE = 'bidModifierValue';
+    public const BILLING_SETUP_ID = 'billingSetupId';
+    public const BRIDGE_MAP_VERSION_ID = 'bridgeMapVersionId';
+    public const BUSINESS_ACCOUNT_IDENTIFIER = 'businessAccountIdentifier';
+    public const BUSINESS_PROFILE_LOCATION = 'businessProfileLocation';
+    public const BUSINESS_NAME = 'businessName';
+    public const CALL_START_DATE_TIME = 'callStartDateTime';
+    public const CALLER_ID = 'callerId';
+    public const CALLOUT_TEXT = 'calloutText';
+    public const CAMPAIGN_BUDGET_ID = 'campaignBudgetId';
+    public const CAMPAIGN_EXPERIMENT_ID = 'campaignExperimentId';
+    public const CAMPAIGN_ID = 'campaignId';
+    public const CAMPAIGN_IDS = 'campaignIds';
+    public const CARRIER_COUNTRY_CODE = 'carrierCountryCode';
+    public const CHAIN_ID = 'chainId';
+    public const CHECK_IN_DAY_CRITERION_ID = 'checkInDayCriterionId';
+    public const CONVERSION_ACTION_ID = 'conversionActionId';
+    public const CONVERSION_ACTION_IDS = 'conversionActionIds';
+    public const CONVERSION_CUSTOM_VARIABLE_ID = 'conversionCustomVariableId';
+    public const CONVERSION_CUSTOM_VARIABLE_VALUE = 'conversionCustomVariableValue';
+    public const CONVERSION_DATE_TIME = 'conversionDateTime';
+    public const CONVERSION_RATE_MODIFIER = "conversionRateModifier";
+    public const CONVERSION_VALUE = 'conversionValue';
+    public const COUNTRY_CODE = 'countryCode';
+    public const CPC_BID_CEILING_MICRO_AMOUNT = 'cpcBidCeilingMicroAmount';
+    public const CPC_BID_MICRO_AMOUNT = 'cpcBidMicroAmount';
+    public const CRITERION_ID = 'criterionId';
+    public const CURRENCY_CODE = 'currencyCode';
+    public const CUSTOMER_ID = 'customerId';
+    public const CUSTOMIZER_ATTRIBUTE_NAME = 'customizerAttributeName';
+    public const CUSTOM_KEY = 'customKey';
+    public const DRAFT_ID = 'draftId';
+    public const EMAIL_ADDRESS = 'emailAddress';
+    public const END_DATE_TIME = "endDateTime";
+    public const EXTERNAL_ID = 'externalId';
+    public const FEED_ID = 'feedId';
+    public const FEED_ITEM_ID = 'feedItemId';
+    public const FEED_ITEM_IDS = 'feedItemIds';
+    public const FEED_ITEM_SET_ID = 'feedItemSetId';
+    public const FINAL_URL = 'finalUrl';
+    public const FLIGHT_PLACEHOLDER_FIELD_NAME = 'flightPlaceholderFieldName';
+    public const FREE_FORM_KEYWORD_TEXT = 'freeFormKeywordText';
+    public const GBRAID = 'gbraid';
+    public const GCLID = 'gclid';
+    public const GEO_TARGET_CONSTANT_ID = 'geoTargetConstantId';
+    public const BUSINESS_PROFILE_ACCESS_TOKEN = 'businessProfileAccessToken';
+    public const BUSINESS_PROFILE_EMAIL = 'businessProfileEmail';
+    public const HOTEL_CENTER_ACCOUNT_ID = 'hotelCenterAccountId';
+    public const IMAGE_ASSET_ID = 'imageAssetId';
+    public const ITEM_ID = 'itemId';
+    public const KEYWORD_PLAN_ID = 'keywordPlanId';
+    public const KEYWORD_TEXT = 'keywordText';
+    public const KEYWORD_TEXTS = 'keywordTexts';
+    public const LABEL_ID = "labelId";
+    public const LANGUAGE_CODE = 'languageCode';
+    public const LANGUAGE_ID = 'languageId';
+    public const LANGUAGE_NAME = 'languageName';
+    public const LOCALE = 'locale';
+    public const LOCATION_ID = 'locationId';
+    public const LOCATION_IDS = 'locationIds';
+    public const LOCATION_NAMES = 'locationNames';
+    public const LOGIN_CUSTOMER_ID = 'loginCustomerId';
+    public const MANAGER_CUSTOMER_ID = 'managerCustomerId';
+    public const MARKETING_IMAGE_ASSET_ID = 'marketingImageAssetId';
+    public const MERCHANT_CENTER_ACCOUNT_ID = 'merchantCenterAccountId';
+    public const NAME_PREFIX = 'namePrefix';
+    public const OFFLINE_USER_DATA_JOB_ID = 'offlineUserDataJobId';
+    public const OFFLINE_USER_DATA_JOB_TYPE = 'offlineUserDataJobType';
+    public const OMIT_UNSELECTED_RESOURCE_NAMES = 'omitUnselectedResourceNames';
+    public const ORDER_ID = 'orderId';
+    public const OUTPUT_FILE_PATH = 'outputFilePath';
+    public const PAGE_URL = 'pageUrl';
+    public const PARTNER_ID = 'partnerId';
+    public const PAYMENTS_ACCOUNT_ID = 'paymentsAccountId';
+    public const PAYMENTS_PROFILE_ID = 'paymentsProfileId';
+    public const PERCENT_CPC_BID_MICRO_AMOUNT = 'percentCpcBidMicroAmount';
+    public const PHONE_COUNTRY = 'phoneCountry';
+    public const PHONE_NUMBER = 'phoneNumber';
+    public const PLACE_ID = 'placeId';
+    public const RECOMMENDATION_ID = 'recommendationId';
+    public const RESTATEMENT_VALUE = 'restatementValue';
+    public const CREATE_DEFAULT_LISTING_GROUP = 'createDefaultListingGroup';
+    public const DELETE_EXISTING_FEEDS = 'deleteExistingFeeds';
+    public const REPLACE_EXISTING_TREE = 'replaceExistingTree';
+    public const QUANTITY = 'quantity';
+    public const RUN_JOB = 'runJob';
+    public const SALES_COUNTRY = 'salesCountry';
+    public const SITELINK_TEXT = 'sitelinkText';
+    public const SQUARE_MARKETING_IMAGE_ASSET_ID = 'squareMarketingImageAssetId';
+    public const START_DATE_TIME = "startDateTime";
+    public const THINGS_TO_DO_CENTER_ACCOUNT_ID = 'thingsToDoCenterAccountId';
+    public const USER_AGENT = 'userAgent';
+    public const USER_LIST_ID = 'userListId';
+    public const USER_LIST_IDS = 'userListIds';
+    public const WBRAID = 'wbraid';
+
+    public static $ARGUMENTS_TO_DESCRIPTIONS = [
+        self::ACCESS_ROLE => 'The user access role',
+        self::ADJUSTMENT_DATE_TIME => 'The adjustment date time',
+        self::ADJUSTMENT_TYPE => 'The adjustment type',
+        self::ADVERTISER_UPLOAD_DATE_TIME => 'The advertiser upload date time',
+        self::AD_ID => 'The ad ID',
+        self::AD_GROUP_ID => 'The ad group ID',
+        self::AD_GROUP_IDS => 'The ad group IDs',
+        self::AD_PERSONALIZATION_CONSENT => 'The ad personalization consent, e.g., GRANTED',
+        self::AD_USER_DATA_CONSENT => 'The ad user data consent, e.g., GRANTED',
+        self::ASSET_GROUP_ID => 'The asset group ID',
+        self::ATTRIBUTE_VALUE => 'The attribute value',
+        self::AUDIENCE_ID => 'The audience ID',
+        self::BASE_CAMPAIGN_ID => 'The base campaign ID',
+        self::BID_MODIFIER_VALUE => 'The bid modifier value',
+        self::BILLING_SETUP_ID => 'The billing setup ID',
+        self::BRIDGE_MAP_VERSION_ID
+            => 'The version of partner IDs to be used for store-sale uploads',
+        self::BUSINESS_ACCOUNT_IDENTIFIER => 'The account number of the Business Profile account',
+        self::BUSINESS_PROFILE_LOCATION => 'The Business Profile location resource name',
+        self::BUSINESS_NAME => 'The Business Profile business name',
+        self::CALL_START_DATE_TIME => 'The call start date time',
+        self::CALLER_ID => 'The caller ID',
+        self::CALLOUT_TEXT => 'The callout text',
+        self::CAMPAIGN_BUDGET_ID => 'The campaign budget ID',
+        self::CAMPAIGN_EXPERIMENT_ID => 'The campaign experiment ID',
+        self::CAMPAIGN_ID => 'The campaign ID',
+        self::CAMPAIGN_IDS => 'The campaign IDs',
+        self::CARRIER_COUNTRY_CODE => 'The carrier country code',
+        self::CHAIN_ID => 'The retail chain ID',
+        self::CHECK_IN_DAY_CRITERION_ID => 'The hotel check-in day criterion ID',
+        self::CONVERSION_ACTION_ID => 'The conversion action ID',
+        self::CONVERSION_ACTION_IDS => 'The conversion action IDs',
+        self::CONVERSION_CUSTOM_VARIABLE_ID => 'The conversion custom variable ID',
+        self::CONVERSION_CUSTOM_VARIABLE_VALUE => 'The conversion custom variable value',
+        self::CONVERSION_DATE_TIME => 'The conversion date time',
+        self::CONVERSION_RATE_MODIFIER => 'The conversion rate modifier',
+        self::CONVERSION_VALUE => 'The conversion value',
+        self::COUNTRY_CODE => 'The country code',
+        self::CPC_BID_CEILING_MICRO_AMOUNT => 'The CPC bid ceiling micro amount',
+        self::CPC_BID_MICRO_AMOUNT => 'The CPC bid micro amount',
+        self::CRITERION_ID => 'The criterion ID',
+        self::CURRENCY_CODE => 'The currency code',
+        self::CUSTOMER_ID => 'The customer ID without dashes',
+        self::CUSTOMIZER_ATTRIBUTE_NAME => 'The customizer attribute name',
+        self::CUSTOM_KEY => 'The custom key',
+        self::DRAFT_ID => 'The draft ID',
+        self::EMAIL_ADDRESS => 'The email address',
+        self::END_DATE_TIME => 'The end date time',
+        self::EXTERNAL_ID => 'The external ID',
+        self::FEED_ID => 'The feed ID',
+        self::FEED_ITEM_ID => 'The feed item ID',
+        self::FEED_ITEM_IDS => 'The feed item IDs',
+        self::FEED_ITEM_SET_ID => 'The feed item set ID',
+        self::FINAL_URL => 'The final URL',
+        self::FLIGHT_PLACEHOLDER_FIELD_NAME => 'The flight placeholder field name',
+        self::FREE_FORM_KEYWORD_TEXT => 'The free-form keyword text',
+        self::GBRAID => 'The GBRAID identifier for an iOS app conversion',
+        self::GCLID => 'The Google Click ID',
+        self::GEO_TARGET_CONSTANT_ID => 'The geo target constant ID',
+        self::BUSINESS_PROFILE_ACCESS_TOKEN => 'The access token used for uploading Business Profile '
+            . 'location feed data',
+        self::BUSINESS_PROFILE_EMAIL => 'The email address associated with the Business Profile account',
+        self::HOTEL_CENTER_ACCOUNT_ID => 'The hotel center account ID',
+        self::IMAGE_ASSET_ID => 'The image asset ID',
+        self::ITEM_ID => 'The item ID',
+        self::KEYWORD_PLAN_ID => 'The keyword plan ID',
+        self::KEYWORD_TEXT => 'The keyword text',
+        self::KEYWORD_TEXTS => 'The list of keyword texts',
+        self::LABEL_ID => 'The label ID',
+        self::LANGUAGE_CODE => 'The language code',
+        self::LANGUAGE_ID => 'The language ID',
+        self::LANGUAGE_NAME => 'The language name',
+        self::LOCALE => 'The locale',
+        self::LOCATION_ID => 'The location ID',
+        self::LOCATION_IDS => 'The list of location IDs',
+        self::LOCATION_NAMES => 'The list of location names',
+        self::LOGIN_CUSTOMER_ID => 'The login customer ID',
+        self::MANAGER_CUSTOMER_ID => 'The manager customer ID',
+        self::MARKETING_IMAGE_ASSET_ID => 'The ID of marketing image asset',
+        self::MERCHANT_CENTER_ACCOUNT_ID => 'The Merchant center account ID',
+        self::NAME_PREFIX => 'The name prefix',
+        self::OFFLINE_USER_DATA_JOB_ID => 'The offline user data job ID',
+        self::OFFLINE_USER_DATA_JOB_TYPE => 'The offline user data job type',
+        self::OMIT_UNSELECTED_RESOURCE_NAMES => 'Whether to omit unselected resource names',
+        self::ORDER_ID => 'The order ID',
+        self::OUTPUT_FILE_PATH => 'The output file path',
+        self::PAGE_URL => 'The page URL',
+        self::PARTNER_ID => 'The partner ID',
+        self::PAYMENTS_ACCOUNT_ID => 'The payments account ID',
+        self::PAYMENTS_PROFILE_ID => 'The payments profile ID',
+        self::PERCENT_CPC_BID_MICRO_AMOUNT =>
+            'The CPC bid micro amount for the Percent CPC bidding strategy',
+        self::PHONE_COUNTRY => 'The phone country',
+        self::PHONE_NUMBER => 'The phone number',
+        self::PLACE_ID => 'The place ID',
+        self::RECOMMENDATION_ID => 'The recommendation ID',
+        self::RESTATEMENT_VALUE => 'The restatement value',
+        self::CREATE_DEFAULT_LISTING_GROUP =>
+            'Whether it should create a default listing group',
+        self::DELETE_EXISTING_FEEDS =>
+            'Whether it should delete the existing feeds',
+        self::REPLACE_EXISTING_TREE =>
+            'Whether it should replace the existing listing group tree on an ad group/asset group',
+        self::QUANTITY => 'The quantity',
+        self::RUN_JOB => 'Whether it should run the offline user data job',
+        self::SALES_COUNTRY => 'The sales country',
+        self::SITELINK_TEXT => 'The sitelink text',
+        self::SQUARE_MARKETING_IMAGE_ASSET_ID => 'The ID of square marketing image asset',
+        self::START_DATE_TIME => 'The start date time',
+        self::USER_AGENT => 'The user agent',
+        self::USER_LIST_ID => 'The user list ID',
+        self::USER_LIST_IDS => 'The user list IDs',
+        self::THINGS_TO_DO_CENTER_ACCOUNT_ID => 'The Things to Do Center account ID',
+        self::WBRAID => 'The WBRAID identifer for an iOS web conversion'
+    ];
+}
diff --git a/app/util/ArgumentParser.php b/app/util/ArgumentParser.php
new file mode 100644
index 0000000..7d3fe57
--- /dev/null
+++ b/app/util/ArgumentParser.php
@@ -0,0 +1,110 @@
+<?php
+
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace app\util;
+
+use GetOpt\ArgumentException;
+use GetOpt\GetOpt;
+use InvalidArgumentException;
+
+/**
+ * Wraps `GetOpt` and normalizes arguments parsed by it.
+ *
+ * @see GetOpt
+ */
+class ArgumentParser
+{
+    /**
+     * Parses any arguments specified via the command line. For those in the provided argument
+     * names that are not passed, provides null values instead.
+     *
+     * @param array $argumentNames the associative array of argument names to their types
+     * @return array the argument names to their values
+     */
+    public function parseCommandArguments(array $argumentNames)
+    {
+        $getOpt = new GetOpt();
+        $normalizedOptions = [];
+        $numRequiredArguments = 0;
+        $getOpt->addOption(['h', 'help', GetOpt::NO_ARGUMENT, 'Show this help and quit']);
+        foreach ($argumentNames as $argumentName => $argumentType) {
+            $normalizedOptions[$argumentName] = null;
+            // Adds an option for an argument using a long option name only.
+            $getOpt->addOption(
+                [
+                    null,
+                    $argumentName,
+                    $argumentType,
+                    ArgumentNames::$ARGUMENTS_TO_DESCRIPTIONS[$argumentName]
+                ]
+            );
+
+            if ($argumentType === GetOpt::REQUIRED_ARGUMENT) {
+                $numRequiredArguments++;
+            }
+        }
+
+        // Parse arguments and catch exceptions.
+        try {
+            $getOpt->process();
+        } catch (ArgumentException $exception) {
+            // When there are any errors regarding arguments, such as invalid argument names, or
+            // specifying required arguments but not providing values, 'ArgumentException' will
+            // be thrown. Show the help text in these cases.
+            echo PHP_EOL . $getOpt->getHelpText();
+            throw $exception;
+        }
+        // Show help text when requested.
+        if (!is_null($getOpt->getOption('help'))) {
+            $this->printHelpMessageAndExit($getOpt);
+            // Help text is printed, so no arguments are passed. The below line is reached only
+            // in tests.
+            return [];
+        }
+
+        $numPassedRequiredArguments = 0;
+        foreach ($getOpt->getOptions() as $optionName => $optionValue) {
+            if ($argumentNames[$optionName] === GetOpt::REQUIRED_ARGUMENT) {
+                $numPassedRequiredArguments++;
+            }
+            $normalizedOptions[$optionName] = $optionValue;
+        }
+        // Don't allow the case when optional arguments are passed, but required arguments are not.
+        if (
+            count($getOpt->getOptions()) > 0
+            && $numPassedRequiredArguments !== $numRequiredArguments
+        ) {
+            echo PHP_EOL . $getOpt->getHelpText();
+            throw new InvalidArgumentException(
+                'All required arguments must be specified.' . PHP_EOL
+            );
+        }
+        return $normalizedOptions;
+    }
+
+    /**
+     * Print the help message and exit the program.
+     *
+     * @param GetOpt $getOpt the GetOpt object to print its help text
+     */
+    public function printHelpMessageAndExit(GetOpt $getOpt)
+    {
+        echo PHP_EOL . $getOpt->getHelpText();
+        exit;
+    }
+}
diff --git a/app/util/Feeds.php b/app/util/Feeds.php
new file mode 100644
index 0000000..500d5d6
--- /dev/null
+++ b/app/util/Feeds.php
@@ -0,0 +1,211 @@
+<?php
+
+/**
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace app\util;
+
+use Google\Ads\GoogleAds\Lib\V18\GoogleAdsClient;
+use Google\Ads\GoogleAds\V18\Enums\FlightPlaceholderFieldEnum\FlightPlaceholderField;
+use Google\Ads\GoogleAds\V18\Enums\RealEstatePlaceholderFieldEnum\RealEstatePlaceholderField;
+use Google\Ads\GoogleAds\V18\Resources\FeedAttribute;
+use Google\Ads\GoogleAds\V18\Resources\FeedItem;
+use Google\Ads\GoogleAds\V18\Resources\FeedItemAttributeValue;
+use Google\Ads\GoogleAds\V18\Services\GoogleAdsRow;
+use Google\Ads\GoogleAds\V18\Services\SearchGoogleAdsRequest;
+
+/**
+ * Utilities that are shared between code examples related to feeds.
+ */
+final class Feeds
+{
+    /**
+     * Retrieves a feed item and its attribute values given a resource name.
+     *
+     * @param string $feedItemResourceName the feed item resource name
+     * @param int $customerId the customer ID
+     * @param GoogleAdsClient $googleAdsClient the Google Ads API client
+     * @return FeedItem the feed item
+     */
+    public static function feedItemFor(
+        string $feedItemResourceName,
+        int $customerId,
+        GoogleAdsClient $googleAdsClient
+    ) {
+        $googleAdsServiceClient = $googleAdsClient->getGoogleAdsServiceClient();
+        // Constructs the query to get the feed item with attribute values.
+        $query = "SELECT feed_item.attribute_values FROM feed_item"
+            . " WHERE feed_item.resource_name = '$feedItemResourceName'";
+        // Issues a search request.
+        $response =
+            $googleAdsServiceClient->search(SearchGoogleAdsRequest::build($customerId, $query));
+
+        // Returns the feed item attribute values, which belongs to the first item. We can ensure
+        // it belongs to the first one because we specified the feed item resource name in the
+        // query.
+        return $response->getIterator()->current()->getFeedItem();
+    }
+
+    /**
+     * Gets the index of the target feed item attribute value. This is needed to specify which feed
+     * item attribute value will be updated in the given feed item.
+     *
+     * @param FeedItemAttributeValue $targetFeedItemAttributeValue the new feed item attribute value
+     *     that will be updated
+     * @param FeedItem $feedItem the feed item that will be updated. It should be populated with
+     *     the current attribute values
+     * @return int the attribute index
+     */
+    public static function attributeIndexFor(
+        FeedItemAttributeValue $targetFeedItemAttributeValue,
+        FeedItem $feedItem
+    ) {
+        $attributeIndex = -1;
+        // Loops through attribute values to find the index of the feed item attribute value to
+        // update.
+        foreach ($feedItem->getAttributeValues() as $feedItemAttributeValue) {
+            /** @var FeedItemAttributeValue $feedItemAttributeValue */
+            $attributeIndex++;
+            // Checks if the current feedItemAttributeValue is the one we are updating
+            if (
+                $feedItemAttributeValue->getFeedAttributeId()
+                === $targetFeedItemAttributeValue->getFeedAttributeId()
+            ) {
+                break;
+            }
+        }
+
+        if ($attributeIndex === -1) {
+            throw new \InvalidArgumentException(
+                'No matching feed attribute for feed item attribute ID: '
+                . $targetFeedItemAttributeValue->getFeedAttributeId()
+            );
+        }
+
+        return $attributeIndex;
+    }
+
+    /**
+     * Retrieves the place holder fields to feed attributes map for a flights feed.
+     * See FlightPlaceholderField.php for all available placeholder field values.
+     *
+     * @see Feeds::placeholderFieldsMapFor()
+     *
+     * @param string $feedResourceName the feed resource name to get the attributes from
+     * @param int $customerId the customer ID
+     * @param GoogleAdsClient $googleAdsClient the Google Ads API client
+     * @return array the map from placeholder fields to feed attributes
+     */
+    public static function flightPlaceholderFieldsMapFor(
+        string $feedResourceName,
+        int $customerId,
+        GoogleAdsClient $googleAdsClient
+    ) {
+        return self::placeholderFieldsMapFor(
+            $feedResourceName,
+            $customerId,
+            $googleAdsClient,
+            [
+                'Flight Description' => FlightPlaceholderField::FLIGHT_DESCRIPTION,
+                'Destination ID' => FlightPlaceholderField::DESTINATION_ID,
+                'Flight Price' => FlightPlaceholderField::FLIGHT_PRICE,
+                'Flight Sale Price' => FlightPlaceholderField::FLIGHT_SALE_PRICE,
+                'Final URLs' => FlightPlaceholderField::FINAL_URLS
+            ]
+        );
+    }
+
+    /**
+     * Retrieves the place holder fields to feed attributes map for a real estate feed.
+     * See RealEstatePlaceholderField.php for all available placeholder field values.
+     *
+     * @see Feeds::placeholderFieldsMapFor()
+     *
+     * @param string $feedResourceName the feed resource name to get the attributes from
+     * @param int $customerId the customer ID
+     * @param GoogleAdsClient $googleAdsClient the Google Ads API client
+     * @return array the map from placeholder fields to feed attributes
+     */
+    // [START add_real_estate_feed]
+    public static function realEstatePlaceholderFieldsMapFor(
+        string $feedResourceName,
+        int $customerId,
+        GoogleAdsClient $googleAdsClient
+    ) {
+        return self::placeholderFieldsMapFor(
+            $feedResourceName,
+            $customerId,
+            $googleAdsClient,
+            [
+                'Listing ID' => RealEstatePlaceholderField::LISTING_ID,
+                'Listing Name' => RealEstatePlaceholderField::LISTING_NAME,
+                'Final URLs' => RealEstatePlaceholderField::FINAL_URLS,
+                'Image URL' => RealEstatePlaceholderField::IMAGE_URL,
+                'Contextual Keywords' => RealEstatePlaceholderField::CONTEXTUAL_KEYWORDS
+            ]
+        );
+    }
+    // [END add_real_estate_feed]
+
+    /**
+     * Retrieves the placeholder fields to feed attributes map for a feed. The initial
+     * query retrieves the feed attributes, or columns, of the feed. Each feed attribute will also
+     * include the feed attribute ID, which will be used in a subsequent step.
+     *
+     * Then a map is created for the feed attributes (columns) and returned:
+     * - The keys are the placeholder types that the columns will be.
+     * - The values are the feed attributes.
+     *
+     * @param string $feedResourceName the feed resource name to get the attributes from
+     * @param int $customerId the customer ID
+     * @param GoogleAdsClient $googleAdsClient the Google Ads API client
+     * @param array $feedAttributeNamesMap the associative array mapping from feed attribute names
+     *     to placeholder fields
+     * @return array the map from placeholder fields to feed attributes
+     */
+    private static function placeholderFieldsMapFor(
+        string $feedResourceName,
+        int $customerId,
+        GoogleAdsClient $googleAdsClient,
+        array $feedAttributeNamesMap
+    ) {
+        $googleAdsServiceClient = $googleAdsClient->getGoogleAdsServiceClient();
+        // Constructs the query to get the feed attributes for the specified feed resource name.
+        $query = "SELECT feed.attributes FROM feed WHERE feed.resource_name = '$feedResourceName'";
+        // Issues a search request.
+        $response =
+            $googleAdsServiceClient->search(SearchGoogleAdsRequest::build($customerId, $query));
+
+        // Gets the first result because we only need the single feed we created previously.
+        /** @var GoogleAdsRow $googleAdsRow */
+        $googleAdsRow = $response->getIterator()->current();
+
+        // Gets the attributes list from the feed and creates a map with keys of placeholder fields
+        // and values of feed attributes.
+        $feedAttributes =
+            iterator_to_array($googleAdsRow->getFeed()->getAttributes()->getIterator());
+        $placeholderFields = array_map(
+            function (FeedAttribute $feedAttribute) use ($feedAttributeNamesMap) {
+                if (!array_key_exists($feedAttribute->getName(), $feedAttributeNamesMap)) {
+                    throw new \RuntimeException('Invalid feed attribute name.');
+                }
+                return $feedAttributeNamesMap[$feedAttribute->getName()];
+            },
+            $feedAttributes
+        );
+        return array_combine($placeholderFields, $feedAttributes);
+    }
+}
diff --git a/app/util/Helper.php b/app/util/Helper.php
new file mode 100644
index 0000000..8b9f478
--- /dev/null
+++ b/app/util/Helper.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace app\util;
+
+use DateTime;
+
+/**
+ * General utilities that are shared between code examples.
+ */
+final class Helper
+{
+    /**
+     * Generates a printable string for the current date and time in local time zone.
+     * @return string the result string
+     */
+    public static function getPrintableDatetime(): string
+    {
+        return (new DateTime())->format("Y-m-d\TH:i:s.vP");
+    }
+
+    /**
+     * Generates a short printable string for the current date and time in local time zone.
+     * @return string the result string
+     */
+    public static function getShortPrintableDatetime(): string
+    {
+        return (new DateTime())->format("mdHisv");
+    }
+
+    /**
+     * Converts an amount from the micro unit to the base unit.
+     *
+     * @param int|float|null $amount the amount in micro unit
+     * @return float the amount converted to the base unit if not null otherwise 0
+     */
+    public static function microToBase($amount): float
+    {
+        return $amount ? $amount / 1000000.0 : 0.0;
+    }
+
+    /**
+     * Converts an amount from the base unit to the micro unit.
+     *
+     * @param float|int|null $amount the amount in base unit
+     * @return int the amount converted to the micro unit if not null otherwise 0
+     */
+    public static function baseToMicro($amount): int
+    {
+        return $amount ? (int) ($amount * 1000000) : 0;
+    }
+}
diff --git a/config/plugin/webman/auto-route/app.php b/config/plugin/webman/auto-route/app.php
new file mode 100644
index 0000000..4717d7f
--- /dev/null
+++ b/config/plugin/webman/auto-route/app.php
@@ -0,0 +1,5 @@
+<?php
+return [
+    'enable' => false,
+    'default_app' => '', //默认应用，如需开启请填写默认应用的名称
+];
\ No newline at end of file
diff --git a/config/plugin/webman/auto-route/route.php b/config/plugin/webman/auto-route/route.php
new file mode 100644
index 0000000..53d1a5c
--- /dev/null
+++ b/config/plugin/webman/auto-route/route.php
@@ -0,0 +1,109 @@
+<?php
+/**
+ * This file is part of webman.
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the MIT-LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @author    walkor<walkor@workerman.net>
+ * @copyright walkor<walkor@workerman.net>
+ * @link      http://www.workerman.net/
+ * @license   http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+
+use Webman\Route;
+
+// 已经设置过路由的uri则忽略
+$routes = Route::getRoutes();
+$ignore_list = [];
+foreach ($routes as $tmp_route) {
+    $ignore_list[$tmp_route->getPath()] = 0;
+}
+
+$default_app = config('plugin.webman.auto-route.app.default_app');
+
+$suffix = config('app.controller_suffix', '');
+$suffix_length = strlen($suffix);
+
+// 递归遍历目录查找控制器自动设置路由
+$dir_iterator = new \RecursiveDirectoryIterator(app_path());
+$iterator = new \RecursiveIteratorIterator($dir_iterator);
+foreach ($iterator as $file) {
+    // 忽略目录和非php文件
+    if (is_dir($file) || $file->getExtension() != 'php') {
+        continue;
+    }
+
+    $file_path = str_replace('\\', '/',$file->getPathname());
+    // 文件路径里不带controller的文件忽略
+    if (strpos(strtolower($file_path), '/controller/') === false) {
+        continue;
+    }
+
+    // 只处理带 controller_suffix 后缀的
+    if ($suffix_length && substr($file->getBaseName('.php'), -$suffix_length) !== $suffix) {
+        continue;
+    }
+
+    // 根据文件路径计算uri
+    $uri_path = str_replace(['/controller/', '/Controller/'], '/', substr(substr($file_path, strlen(app_path())), 0, - (4 + $suffix_length)));
+
+    // 默认应用
+    $is_default_app = false;
+    if (is_string($default_app) && !empty($default_app)) {
+        $seg = explode('/', $uri_path);
+        if ($seg[1] == $default_app) {
+            $uri_path = str_replace($default_app . '/', '', $uri_path);
+            $is_default_app = true;
+        }
+    }
+
+    // 根据文件路径是被类名
+    $class_name = str_replace('/', '\\',substr(substr($file_path, strlen(base_path())), 0, -4));
+
+    if (!class_exists($class_name)) {
+        echo "Class $class_name not found, skip route for it\n";
+        continue;
+    }
+
+    // 通过反射找到这个类的所有共有方法作为action
+    $class = new ReflectionClass($class_name);
+    $class_name = $class->name;
+    $methods = $class->getMethods(ReflectionMethod::IS_PUBLIC);
+
+    $route = function ($uri, $cb) use ($ignore_list) {
+        if (isset($ignore_list[strtolower($uri)])) {
+            return;
+        }
+        Route::any($uri, $cb);
+        if ($uri !== '') {
+            Route::any($uri . '/', $cb);
+        }
+        $lower_uri = strtolower($uri);
+        if ($lower_uri !== $uri) {
+            Route::any($lower_uri, $cb);
+            Route::any($lower_uri . '/', $cb);
+        }
+    };
+
+    // 设置路由
+    foreach ($methods as $item) {
+        $action = $item->name;
+        if (in_array($action, ['__construct', '__destruct'])) {
+            continue;
+        }
+        // action为index时uri里末尾/index可以省略
+        if ($action === 'index') {
+            // controller也为index时uri里可以省略/index/index
+            if (strtolower(substr($uri_path, -6)) === '/index') {
+                if ($is_default_app) {
+                    $route('/', [$class_name, $action]);
+                }
+                $route(substr($uri_path, 0, -6), [$class_name, $action]);
+            }
+            $route($uri_path, [$class_name, $action]);
+        }
+        $route($uri_path.'/'.$action, [$class_name, $action]);
+    }
+}