Changed source root directory

html/wp-content/plugins/contact-form-7-mailchimp-extension/includes/utils/class-cmatic-buster.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Asset cache busting utility.
+ *
+ * @package   contact-form-7-mailchimp-extension
+ * @author    renzo.johnson@gmail.com
+ * @copyright 2014-2026 https://renzojohnson.com
+ * @license   GPL-3.0+
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+class Cmatic_Buster {
+
+	private string $plugin_version;
+
+	private bool $is_debug;
+
+	private static ?self $instance = null;
+
+	public function __construct( string $plugin_version = SPARTAN_MCE_VERSION, ?bool $is_debug = null ) {
+		$this->plugin_version = $plugin_version;
+		$this->is_debug       = $is_debug ?? ( defined( 'WP_DEBUG' ) && WP_DEBUG );
+	}
+
+	public function get_version( string $file_path ): string {
+		$version_parts = array( $this->plugin_version );
+
+		if ( file_exists( $file_path ) ) {
+			$version_parts[] = (string) filemtime( $file_path );
+			$version_parts[] = substr( md5_file( $file_path ), 0, 8 );
+		}
+
+		if ( $this->is_debug ) {
+			$version_parts[] = (string) time();
+		}
+
+		return implode( '-', $version_parts );
+	}
+
+	public static function instance(): self {
+		if ( null === self::$instance ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+}