Use Utils\pluralize() helper

Author: ocean90

src/Transient_Command.php

@@ -278,8 +278,13 @@ private function delete_expired() {
 		$count = $count / 2;
 
 		if ( $count > 0 ) {
-			$success_message = ( 1 === $count ) ? '%d expired transient deleted from the database.' : '%d expired transients deleted from the database.';
-			WP_CLI::success( sprintf( $success_message, $count ) );
+			WP_CLI::success(
+				sprintf(
+					'%d expired %s deleted from the database.',
+					$count,
+					Utils\pluralize( 'transient', $count )
+				)
+			);
 		} else {
 			WP_CLI::success( 'No expired transients found.' );
 		}
@@ -324,8 +329,13 @@ private function delete_all() {
 		// thus some transients may be counted twice.
 
 		if ( $count > 0 ) {
-			$success_message = ( 1 === $count ) ? '%d transient deleted from the database.' : '%d transients deleted from the database.';
-			WP_CLI::success( sprintf( $success_message, $count ) );
+			WP_CLI::success(
+				sprintf(
+					'%d %s deleted from the database.',
+					$count,
+					Utils\pluralize( 'transient', $count )
+				)
+			);
 		} else {
 			WP_CLI::success( 'No transients found.' );
 		}