Update PHPStan level to 1

bin/phpstan/constants.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * Constants for PHPStan static analysis.
+ *
+ * @package GTM Kit
+ */
+
+$gtmkit_file = dirname( __DIR__ ) . '/gtm-kit.php';
+define( 'GTMKIT_FILE', $gtmkit_file );
+define( 'GTMKIT_PATH', plugin_dir_path( GTMKIT_FILE ) );
+define( 'GTMKIT_BASENAME', plugin_basename( GTMKIT_FILE ) );
+define( 'GTMKIT_URL', plugin_dir_url( $gtmkit_file ) );
+define( 'GTMKIT_ADMIN_SLUG', 'gtmkit_' );

phpstan.neon.dist

@@ -1,8 +1,9 @@
 includes:
 	- phar://phpstan.phar/conf/bleedingEdge.neon
 parameters:
-	level: 0
+	level: 1
 	bootstrapFiles:
+		- bin/phpstan/constants.php
 		- vendor/php-stubs/woocommerce-stubs/woocommerce-stubs.php
 		- vendor/php-stubs/woocommerce-stubs/woocommerce-packages-stubs.php
 	paths:

src/Admin/SetupWizard.php

@@ -126,6 +126,8 @@ public function enqueue_assets( string $hook ) {
 
 		$deps_file  = GTMKIT_PATH . 'assets/admin/wizard.asset.php';
 		$dependency = [];
+		$version    = false;
+
 		if ( file_exists( $deps_file ) ) {
 			$deps_file  = require $deps_file;
 			$dependency = $deps_file['dependencies'];

src/Frontend/UserData.php

@@ -54,6 +54,7 @@ public function get_datalayer_content( array $datalayer ): array {
 		$include_user_id   = $this->options->get( 'general', 'datalayer_user_id' );
 		$include_user_role = $this->options->get( 'general', 'datalayer_user_role' );
 
+		$current_user_id = 0;
 		if ( $include_logged_in || $include_user_id || $include_user_role ) {
 			$current_user_id = get_current_user_id();
 		}