Merge pull request #37 from wp-cli/add/phpstan

Author: swissspidy

phpstan.neon.dist

@@ -0,0 +1,13 @@
+parameters:
+  level: 9
+  paths:
+    - src
+    - maintenance-mode-command.php
+  scanDirectories:
+    - vendor/wp-cli/wp-cli/php
+  scanFiles:
+    - vendor/php-stubs/wordpress-stubs/wordpress-stubs.php
+  treatPhpDocTypesAsCertain: false
+  ignoreErrors:
+    - identifier: missingType.parameter
+    - identifier: missingType.return

src/MaintenanceModeCommand.php

@@ -142,7 +142,7 @@ private function get_maintenance_mode_status() {
 		// to check if the maintenance is available.
 		$upgrading = 0;
 
-		$contents = $wp_filesystem->get_contents( $maintenance_file );
+		$contents = (string) $wp_filesystem->get_contents( $maintenance_file );
 		$matches  = [];
 		if ( preg_match( '/upgrading\s*=\s*(\d+)\s*;/i', $contents, $matches ) ) {
 			$upgrading = (int) $matches[1];