diff --git a/lib/Db.php b/lib/Db.php
index 57d2ea36..270f06ed 100644
--- a/lib/Db.php
+++ b/lib/Db.php
@@ -54,4 +54,22 @@ class Db{
 
 		return 0;
 	}
+
+	/**
+	 * Returns a single boolean value for the first column database query result.
+	 *
+	 * This is useful for queries that return a boolean as a result, like `select exists()`.
+	 *
+	 * @param string $query
+	 * @param array<mixed> $args
+	 */
+	public static function QueryBool(string $query, array $args = []): bool{
+		$result = $GLOBALS['DbConnection']->Query($query, $args);
+
+		if(sizeof($result) > 0){
+			return (bool)current((array)$result[0]);
+		}
+
+		return false;
+	}
 }
diff --git a/lib/Exceptions/MultiSelectMethodNotFoundException.php b/lib/Exceptions/MultiSelectMethodNotFoundException.php
new file mode 100644
index 00000000..56252c5b
--- /dev/null
+++ b/lib/Exceptions/MultiSelectMethodNotFoundException.php
@@ -0,0 +1,15 @@
+<?
+namespace Exceptions;
+
+class MultiSelectMethodNotFoundException extends AppException{
+	public function __construct(string $class = ''){
+		if($class != ''){
+			$this->message = 'Multi table select attempted, but class ' . $class . ' doesn\'t have a FromMultiTableRow() method.';
+		}
+		else{
+			$this->message = 'Multi table select attempted, but the class doesn\'t have a FromMultiTableRow() method.';
+		}
+
+		parent::__construct();
+	}
+}
diff --git a/scripts/delete-unconfirmed-newsletter-subscribers b/scripts/delete-unconfirmed-newsletter-subscribers
index cb094643..495654ac 100755
--- a/scripts/delete-unconfirmed-newsletter-subscribers
+++ b/scripts/delete-unconfirmed-newsletter-subscribers
@@ -2,11 +2,10 @@
 <?
 require_once('/standardebooks.org/web/lib/Core.php');
 
-// Delete unconfirmed newsletter subscribers who are more than a week old
+// Delete unconfirmed newsletter subscribers who are more than a week old.
 Db::Query('
 		DELETE
 		from NewsletterSubscriptions
 		where IsConfirmed = false
 		    and datediff(utc_timestamp(), Created) >= 7
 	');
-?>
diff --git a/scripts/generate-feeds b/scripts/generate-feeds
index 079ec577..69977a65 100755
--- a/scripts/generate-feeds
+++ b/scripts/generate-feeds
@@ -41,7 +41,7 @@ function CreateOpdsCollectionFeed(string $name, string $url, string $description
 	$collator = collator_create('en_US'); // Used for sorting letters with diacritics like in author names
 	usort($collections, function($a, $b) use($collator){ return $collator->compare($a['sortedname'], $b['sortedname']); });
 
-	// Create the collections navigation document
+	// Create the collections navigation document.
 	$collectionNavigationEntries = [];
 	foreach($collections as $collection){
 		$entry = new OpdsNavigationEntry($collection['name'], str_replace('%s', $collection['name'], $description), $url . '/' . $collection['id'], $now, 'subsection', 'navigation');
@@ -52,7 +52,7 @@ function CreateOpdsCollectionFeed(string $name, string $url, string $description
 	$collectionsFeed->Subtitle = 'Browse Standard Ebooks by ' . $name . '.';
 	SaveFeed($collectionsFeed, $force, null, null, $now);
 
-	// Now generate each individual collection feed
+	// Now generate each individual collection feed.
 	foreach($collectionNavigationEntries as $collectionNavigationEntry){
 		$id = basename($collectionNavigationEntry->Id);
 		usort($ebooks[$id], 'SortByUpdatedDesc');
@@ -88,7 +88,7 @@ foreach($dirs as $dir){
 	}
 }
 
-// Iterate over all ebooks to build the various feeds
+// Iterate over all ebooks to build the various feeds.
 foreach(Library::GetEbooksFromFilesystem($webRoot) as $ebook){
 	$allEbooks[] = $ebook;
 	$newestEbooks[] = $ebook;
@@ -116,7 +116,7 @@ $newestEbooks = array_slice($newestEbooks, 0, $ebooksPerNewestEbooksFeed);
 
 $now = new DateTimeImmutable();
 
-// Create OPDS feeds
+// Create OPDS feeds.
 $opdsRootEntries = [
 	new OpdsNavigationEntry(
 		'Newest Standard Ebooks',
@@ -159,44 +159,44 @@ $opdsRootEntries = [
 $opdsRoot = new OpdsNavigationFeed('Standard Ebooks', 'The Standard Ebooks catalog.', '/feeds/opds', $webRoot . '/feeds/opds/index.xml', $opdsRootEntries, null);
 SaveFeed($opdsRoot, $force, null, null, $now);
 
-// Create the Subjects feeds
+// Create the Subjects feeds.
 CreateOpdsCollectionFeed('subject', '/feeds/opds/subjects', 'Standard Ebooks in the “%s” subject, most-recently-released first.', $subjects, $ebooksBySubject, $now, $webRoot, $opdsRoot, $force);
 
-// Create the Collections feeds
+// Create the Collections feeds.
 CreateOpdsCollectionFeed('collection', '/feeds/opds/collections', 'Standard Ebooks in the “%s” collection, most-recently-released first.', $collections, $ebooksByCollection, $now, $webRoot, $opdsRoot, $force);
 
-// Create the Author feeds
+// Create the Author feeds.
 CreateOpdsCollectionFeed('author', '/feeds/opds/authors', 'Standard Ebooks by %s, most-recently-released first.', $authors, $ebooksByAuthor, $now, $webRoot, $opdsRoot, $force);
 
-// Create the All feed
+// Create the All feed.
 $allFeed = new OpdsAcquisitionFeed('All Standard Ebooks', 'All Standard Ebooks, most-recently-updated first. This is a Complete Acquisition Feed as defined in OPDS 1.2 §2.5.', '/feeds/opds/all', $webRoot . '/feeds/opds/all.xml', $allEbooks, $opdsRoot, true);
 SaveFeed($allFeed, $force, null, null, $now);
 
-// Create the Newest feed
+// Create the Newest feed.
 $newestFeed = new OpdsAcquisitionFeed('Newest Standard Ebooks', 'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.', '/feeds/opds/new-releases', $webRoot . '/feeds/opds/new-releases.xml', $newestEbooks, $opdsRoot);
 SaveFeed($newestFeed, $force, null, null, $now);
 
 
 
-// Create RSS/Atom feeds
+// Create RSS/Atom feeds.
 
-// Create the RSS All feed
+// Create the RSS All feed.
 $allRssFeed = new RssFeed('Standard Ebooks - All Ebooks', 'All Standard Ebooks, most-recently-released first.', '/feeds/rss/all',  $webRoot . '/feeds/rss/all.xml', $allEbooks);
 SaveFeed($allRssFeed, $force, null, null);
 
-// Create the RSS Newest feed
+// Create the RSS Newest feed.
 $newestRssFeed = new RssFeed('Standard Ebooks - Newest Ebooks', 'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.', '/feeds/rss/new-releases', $webRoot . '/feeds/rss/new-releases.xml', $newestEbooks);
 SaveFeed($newestRssFeed, $force, null, null);
 
-// Create the Atom All feed
+// Create the Atom All feed.
 $allAtomFeed = new AtomFeed('Standard Ebooks - All Ebooks', 'All Standard Ebooks, most-recently-released first.', '/feeds/atom/all',  $webRoot . '/feeds/atom/all.xml', $allEbooks);
 SaveFeed($allAtomFeed, $force, null, null, $now);
 
-// Create the Atom Newest feed
+// Create the Atom Newest feed.
 $newestAtomFeed = new AtomFeed('Standard Ebooks - Newest Ebooks', 'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.', '/feeds/atom/new-releases', $webRoot . '/feeds/atom/new-releases.xml', $newestEbooks);
 SaveFeed($newestAtomFeed, $force, null, null, $now);
 
-// Generate each individual subject feed
+// Generate each individual subject feed.
 foreach($ebooksBySubject as $subject => $ebooks){
 	usort($ebooks, 'SortByUpdatedDesc');
 
@@ -210,7 +210,7 @@ foreach($ebooksBySubject as $subject => $ebooks){
 	SaveFeed($subjectAtomFeed, $force, $subjects[$subject]['name'], $subjects[$subject]['sortedname'], $now);
 }
 
-// Generate each individual collection feed
+// Generate each individual collection feed.
 foreach($ebooksByCollection as $collection => $ebooks){
 	usort($ebooks, 'SortByUpdatedDesc');
 
@@ -226,7 +226,7 @@ foreach($ebooksByCollection as $collection => $ebooks){
 	SaveFeed($collectionAtomFeed, $force, $collections[$collection]['name'], $collections[$collection]['sortedname'], $now);
 }
 
-// Generate each individual author feed
+// Generate each individual author feed.
 foreach($ebooksByAuthor as $collection => $ebooks){
 	usort($ebooks, 'SortByUpdatedDesc');
 
@@ -240,8 +240,8 @@ foreach($ebooksByAuthor as $collection => $ebooks){
 	SaveFeed($collectionAtomFeed, $force, $authors[$collection]['name'], $authors[$collection]['sortedname'], $now);
 }
 
-// Set ownership and permissions
-// We don't use PHP's built in chown/chmod chmod can't accept strings
+// Set ownership and permissions.
+// We don't use PHP's built in chown/chmod chmod can't accept strings.
 // The `chmod +X` command, with a capital X, makes only matched directories executable.
 exec('sudo chown --preserve-root --recursive se:committers ' . escapeshellarg($webRoot) . '/feeds/*/*.xml');
 exec('sudo chown --preserve-root --recursive se:committers ' . escapeshellarg($webRoot) . '/feeds/*/*/*.xml');
diff --git a/scripts/ingest-fa-payments b/scripts/ingest-fa-payments
index 8c504dba..c3bf5c9f 100755
--- a/scripts/ingest-fa-payments
+++ b/scripts/ingest-fa-payments
@@ -1,14 +1,15 @@
 #!/usr/bin/php
 <?
-// Note: This script must be run as a user with a $HOME directory,
-// otherwise Firefox won't be able to start with a profile.
+// Note: This script must be run as a user with a $HOME directory, otherwise Firefox won't be able to start with a profile.
 
-// FA is unreliable in the email notifications it sends. They are often missing.
-// This script gets a list of FA transactions directly from their website.
-// It tracks the last transaction it saw in a temp file and won't go past that.
-// If there is no temp file, it gets all transactions from today, and writes the temp file with the last transaction it saw.
-// Any transactions that the script finds and which don't already exist, are added to the database as pending payments.
-// After that, the /scripts/process-pending-payments script will pick them up and do accounting/patron logic.
+/**
+ * FA is unreliable in the email notifications it sends. They are often missing.
+ * This script gets a list of FA transactions directly from their website.
+ * It tracks the last transaction it saw in a temp file and won't go past that.
+ * If there is no temp file, it gets all transactions from today, and writes the temp file with the last transaction it saw.
+ * Any transactions that the script finds and which don't already exist, are added to the database as pending payments.
+ * After that, the `/scripts/process-pending-payments` script will pick them up and do accounting/patron logic.
+ */
 
 use Facebook\WebDriver\WebDriverBy;
 use Facebook\WebDriver\WebDriverExpectedCondition;
@@ -25,10 +26,10 @@ use function Safe\set_time_limit;
 
 require_once('/standardebooks.org/web/lib/Core.php');
 
-// Disable script timeout because Selenium is very slow
+// Disable script timeout because Selenium is very slow.
 set_time_limit(0);
 
-// Initialize the Selenium driver
+// Initialize the Selenium driver.
 putenv('WEBDRIVER_FIREFOX_DRIVER=' . SITE_ROOT . '/config/selenium/geckodriver-0.31.0');
 
 $firefoxOptions = new FirefoxOptions();
@@ -53,7 +54,7 @@ $faItemsPerPage = 20; // How many items are on a full page of FA results?
 // If /tmp/last-fa-donation doesn't exist, get all transactions from today and create the file.
 
 function InsertTransaction(string $transactionId): bool{
-	$exists = Db::QueryInt('SELECT exists(
+	$exists = Db::QueryBool('SELECT exists(
 					select *
 					from
 					    ( select 1
@@ -104,7 +105,7 @@ try{
 
 	while($getMoreTransactions){
 		if($page > 5){
-			// Safety valve for runaway logic
+			// Safety valve for runaway logic.
 			throw new Exception('Error: went past page 5 of Fractured Atlas results.');
 		}
 
@@ -113,24 +114,24 @@ try{
 		$driver->get('https://fundraising.fracturedatlas.org/admin/general_support/donations?page=' . $page);
 
 		// Check if we need to log in to FA.
-		// Wait until the <body> element is visible, then check the current URL
+		// Wait until the <body> element is visible, then check the current URL.
 		$driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('/html/body')));
 		if(stripos($driver->getCurrentUrl(), 'auth0.com')){
 			$log->Write('Logging in to Fractured Atlas ...');
 
-			// We were redirected to the login page, so try to log in
+			// We were redirected to the login page, so try to log in.
 			$emailField = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//input[@type="email"]')));
 			$passwordField = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//input[@type="password"]')));
 			$submitButton = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//button[@type="submit"]')));
 
-			// Fill out and submit the form
+			// Fill out and submit the form.
 			$emailField->sendKeys($faUsername);
 			$passwordField->sendKeys($faPassword);
 			$submitButton->click();
 		}
 
 		// Wait until the page finishes loading.
-		// We have to expand the row before we can select its contents, so click the 'expand' button once it's visible
+		// We have to expand the row before we can select its contents, so click the 'expand' button once it's visible.
 		try{
 			$toggleButton = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//button[contains(@class, "button-toggle")]')));
 		}
@@ -139,7 +140,7 @@ try{
 			continue;
 		}
 
-		// If the last seen transaction ID is null, get everything from today
+		// If the last seen transaction ID is null, get everything from today.
 		if($lastSeenTransactionId === null){
 			$elements = $driver->findElements(WebDriverBy::xpath('//td[preceding-sibling::th[normalize-space(.) = "ID"]][parent::tr[preceding-sibling::tr[./td[normalize-space(.) = "' . $today . '"]]]]'));
 
@@ -166,8 +167,8 @@ try{
 			}
 		}
 		else{
-			// Last seen transaction ID is not null, get everything from that ID
-			// Get a list of transaction IDs on the page
+			// Last seen transaction ID is not null, get everything from that ID.
+			// Get a list of transaction IDs on the page.
 			$elements = $driver->findElements(WebDriverBy::xpath('//td[preceding-sibling::th[normalize-space(.) = "ID"]]'));
 			for($i = 0; $i < sizeof($elements); $i++){
 				$td = $elements[$i];
@@ -218,4 +219,3 @@ catch(Exception $ex){
 finally{
 	$driver?->quit();
 }
-?>
diff --git a/scripts/pending-payments-watchdog b/scripts/pending-payments-watchdog
index 600d46da..3cfe8a17 100644
--- a/scripts/pending-payments-watchdog
+++ b/scripts/pending-payments-watchdog
@@ -18,5 +18,3 @@ if(sizeof($pendingPayments) > 0){
 	$em->TextBody = Template::EmailAdminUnprocessedDonationsText();
 	$em->Send();
 }
-
-?>
diff --git a/scripts/process-pending-payments b/scripts/process-pending-payments
index 64646dd8..ff80d999 100755
--- a/scripts/process-pending-payments
+++ b/scripts/process-pending-payments
@@ -1,7 +1,6 @@
 #!/usr/bin/php
 <?
-// Note: This script must be run as a user with a $HOME directory,
-// otherwise Firefox won't be able to start with a profile.
+// Note: This script must be run as a user with a $HOME directory, otherwise Firefox won't be able to start with a profile.
 
 use Facebook\WebDriver\WebDriverBy;
 use Facebook\WebDriver\WebDriverExpectedCondition;
@@ -17,21 +16,21 @@ use function Safe\set_time_limit;
 
 require_once('/standardebooks.org/web/lib/Core.php');
 
-// Disable script timeout because Selenium is very slow
+// Disable script timeout because Selenium is very slow.
 set_time_limit(0);
 
 // Initialize the Selenium driver
 putenv('WEBDRIVER_FIREFOX_DRIVER=' . SITE_ROOT . '/config/selenium/geckodriver-0.31.0');
 
 $firefoxOptions = new FirefoxOptions();
-$firefoxOptions->addArguments(['-headless']); // WARNING: Only one dash!
+$firefoxOptions->addArguments(['-headless']); // **Warning**: Only one dash!
 
 $capabilities = DesiredCapabilities::firefox();
 $capabilities->setCapability(FirefoxOptions::CAPABILITY, $firefoxOptions);
 
 $driver = null;
 $log = new Log(DONATIONS_LOG_FILE_PATH);
-$lastMonth = (new DateTimeImmutable())->sub(new DateInterval('P45D')); // 45 days, a 15 day grace period before Patrons Circle members are dropped off
+$lastMonth = (new DateTimeImmutable())->sub(new DateInterval('P45D')); // 45 days, a 15 day grace period before Patrons Circle members are dropped off.
 $lastYear = (new DateTimeImmutable())->sub(new DateInterval('P1Y'));
 $faUsername = get_cfg_var('se.secrets.fractured_atlas.username');
 $faPassword = get_cfg_var('se.secrets.fractured_atlas.password');
@@ -61,7 +60,7 @@ Db::Query('
 Db::Query('commit');
 
 if(sizeof($pendingPayments) == 0){
-	// Don't start the very slow Selenium driver if we have nothing to process
+	// Don't start the very slow Selenium driver if we have nothing to process.
 	exit();
 }
 
@@ -73,13 +72,13 @@ try{
 		if($pendingPayment->Processor == PaymentProcessorType::FracturedAtlas){
 			$log->Write('Processing donation ' . $pendingPayment->TransactionId . ' ...');
 
-			if(Db::QueryInt('
+			if(Db::QueryBool('
 						SELECT exists(
 							select *
 							from Payments
 							where TransactionId = ?
 						)
-					', [$pendingPayment->TransactionId]) > 0){
+					', [$pendingPayment->TransactionId])){
 				$log->Write('Donation already exists in database.');
 				continue;
 			}
@@ -87,24 +86,24 @@ try{
 			$driver->get('https://fundraising.fracturedatlas.org/admin/donations?query=' . $pendingPayment->TransactionId);
 
 			// Check if we need to log in to FA.
-			// Wait until the <body> element is visible, then check the current URL
+			// Wait until the <body> element is visible, then check the current URL.
 			$driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('/html/body')));
 			if(stripos($driver->getCurrentUrl(), 'auth0.com')){
 				$log->Write('Logging in to Fractured Atlas ...');
 
-				// We were redirected to the login page, so try to log in
+				// We were redirected to the login page, so try to log in.
 				$emailField = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//input[@type="email"]')));
 				$passwordField = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//input[@type="password"]')));
 				$submitButton = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//button[@type="submit"]')));
 
-				// Fill out and submit the form
+				// Fill out and submit the form.
 				$emailField->sendKeys($faUsername);
 				$passwordField->sendKeys($faPassword);
 				$submitButton->click();
 			}
 
 			// Wait until the page finishes loading.
-			// We have to expand the row before we can select its contents, so click the 'expand' button once it's visible
+			// We have to expand the row before we can select its contents, so click the 'expand' button once it's visible.
 			try{
 				$toggleButton = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//button[contains(@class, "button-toggle")]')));
 			}
@@ -116,8 +115,7 @@ try{
 
 			// Our target row is now visible, extract the data!
 
-			// In the FA donations table, there is a header row, and an expandable details row. The header row tells us if the donation is recurring,
-			// and the details row has the rest of the information
+			// In the FA donations table, there is a header row, and an expandable details row. The header row tells us if the donation is recurring, and the details row has the rest of the information.
 			$detailsRow = $driver->wait(20, 250)->until(WebDriverExpectedCondition::visibilityOfElementLocated(WebDriverBy::xpath('//tr[starts-with(@id, "expanded") and contains(@id, "' . $pendingPayment->TransactionId . '")]')));
 
 			$headerRow = $driver->findElement(WebDriverBy::xpath('//tr[not(starts-with(@id, "expanded")) and contains(@id, "' . $pendingPayment->TransactionId . '")]'));
@@ -145,13 +143,13 @@ try{
 					$payment->IsMatchingDonation = true;
 				}
 
-				// We can get here via an AOGF donation that is anonymous
+				// We can get here via an AOGF donation that is anonymous.
 				if($payment->User->Email == 'Not provided' || $payment->User->Email == ''){
 					$payment->User = null;
 				}
 			}
 			catch(Exception){
-				// Anonymous donations don't have these elements present and will throw an exception
+				// Anonymous donations don't have these elements present and will throw an exception.
 				$payment->User = null;
 			}
 
@@ -171,12 +169,12 @@ try{
 				$payment->User = null;
 			}
 
-			// All set - create the payment
+			// All set - create the payment.
 			try{
 				$payment->Create();
 			}
 			catch(Exceptions\PaymentExistsException){
-				// Payment already exists, just continue
+				// Payment already exists, just continue.
 				$log->Write('Donation already in database.');
 				continue;
 			}
@@ -202,15 +200,15 @@ try{
 				// This payment is eligible for the Patrons Circle!
 				if($payment->User !== null){
 					// Are we already a patron?
-					if(Db::QueryInt('
+					if(!Db::QueryBool('
 							SELECT exists(
 								select *
 								from Patrons
 								where UserId = ?
 								    and Ended is null
 							)
-						', [$payment->UserId]) == 0){
-						// Not a patron yet, add them to the Patrons Circle
+						', [$payment->UserId])){
+						// Not a patron yet, add them to the Patrons Circle.
 
 						$patron = new Patron();
 						$patron->UserId = $payment->UserId;
@@ -259,7 +257,7 @@ try{
 				}
 			}
 			else{
-				// Not eligible to be a patron; send a thank you email anyway, but only if this is a non-recurring donation, or if it's their very first recurring donation
+				// Not eligible to be a patron; send a thank you email anyway, but only if this is a non-recurring donation, or if it's their very first recurring. donation
 				if($payment->User !== null){
 					$previousPaymentCount = Db::QueryInt('
 										SELECT count(*)
@@ -268,7 +266,7 @@ try{
 										    and IsRecurring = true
 									', [$payment->UserId]);
 
-					// We just added a payment to the system, so if this is their very first recurring payment, we expect the count to be exactly 1
+					// We just added a payment to the system, so if this is their very first recurring payment, we expect the count to be exactly 1.
 					if(!$payment->IsRecurring || $previousPaymentCount == 1){
 						$log->Write('Sending thank you email to non-patron donor.');
 						$em = new Email();
@@ -310,4 +308,3 @@ catch(Exception $ex){
 finally{
 	$driver->quit();
 }
-?>
diff --git a/scripts/update-patrons-circle b/scripts/update-patrons-circle
index f09e525f..0cee2a24 100755
--- a/scripts/update-patrons-circle
+++ b/scripts/update-patrons-circle
@@ -8,8 +8,7 @@ use function Safe\file_get_contents;
 use function Safe\preg_match_all;
 use function Safe\shell_exec;
 
-// Get a list of payments that are within 1 year / 45 days of today, and deactivate Patrons Circle members
-// who aren't in that list.
+// Get a list of payments that are within 1 year / 45 days of today, and deactivate Patrons Circle members who aren't in that list.
 // We give a 15 day grace period to Patrons Circle members because sometimes FA can be delayed in charging.
 
 $now = new DateTimeImmutable();
@@ -35,8 +34,7 @@ $expiredPatrons = Db::Query('
 if(sizeof($expiredPatrons) > 0){
 	$ebooksThisYear = 0;
 
-	// We can't use the Library class to get ebooks because this script is typically run via cron or CLI,
-	// which doesn't have access PHP-FMP's APCu cache.
+	// We can't use the Library class to get ebooks because this script is typically run via cron or CLI, which doesn't have access PHP-FMP's APCu cache.
 	foreach(explode("\n", trim(shell_exec('find ' . EBOOKS_DIST_PATH . ' -name "content.opf"'))) as $filename){
 		$metadata = file_get_contents($filename);
 
@@ -66,7 +64,7 @@ if(sizeof($expiredPatrons) > 0){
 				where UserId = ?
 			', [$patron->UserId]);
 
-		// Email the patron to notify them their term has ended
+		// Email the patron to notify them their term has ended.
 		// Is the patron a recurring subscriber?
 		$lastPayment = Db::Query('
 						SELECT *
@@ -85,12 +83,12 @@ if(sizeof($expiredPatrons) > 0){
 			$em->Subject = 'Will you still help us make free, beautiful digital literature?';
 
 			if($lastPayment[0]->IsRecurring){
-				// Email recurring donors who have lapsed
+				// Email recurring donors who have lapsed.
 				$em->Body = Template::EmailPatronsCircleRecurringCompleted();
 				$em->TextBody = Template::EmailPatronsCircleRecurringCompletedText();
 			}
 			else{
-				// Email one time donors who have expired after one year
+				// Email one time donors who have expired after one year.
 				$em->Body = Template::EmailPatronsCircleCompleted(['ebooksThisYear' => $ebooksThisYear]);
 				$em->TextBody = Template::EmailPatronsCircleCompletedText(['ebooksThisYear' => $ebooksThisYear]);
 			}
@@ -99,5 +97,3 @@ if(sizeof($expiredPatrons) > 0){
 		}
 	}
 }
-
-?>
diff --git a/www/feeds/download.php b/www/feeds/download.php
index 948c7dc5..d2ceb118 100644
--- a/www/feeds/download.php
+++ b/www/feeds/download.php
@@ -24,7 +24,7 @@ try{
 		// Certain user agents may bypass login entirely
 		$isUserAgentAllowed = false;
 		if(isset($_SERVER['HTTP_USER_AGENT'])){
-			$isUserAgentAllowed = Db::QueryInt('
+			$isUserAgentAllowed = Db::QueryBool('
 							SELECT exists(
 								select *
 								from FeedUserAgents