Fix: "Uncaught Error: Class "Pimple\Container" not found" in Wordpress

platforms/wordpress/gantry5/compat/composer.json

@@ -5,9 +5,13 @@
 
     "require": {
         "php": ">=7.2.5",
+        "pimple/pimple": "~3.5",
         "twig/twig": "~1.44",
         "scssphp/scssphp": "~1.10"
     },
+    "replace": {
+        "psr/container": "*"
+    },
     "config": {
         "platform": {
             "php": "7.2.5"

platforms/wordpress/gantry5/compat/composer.lock

@@ -4,8 +4,61 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "e1459729b2d2f0a91d027897a82bf100",
+    "content-hash": "be734234d8f8e7f34e4847e6092d608f",
     "packages": [
+        {
+            "name": "pimple/pimple",
+            "version": "v3.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/silexphp/Pimple.git",
+                "reference": "a94b3a4db7fb774b3d78dad2315ddc07629e1bed"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/silexphp/Pimple/zipball/a94b3a4db7fb774b3d78dad2315ddc07629e1bed",
+                "reference": "a94b3a4db7fb774b3d78dad2315ddc07629e1bed",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "psr/container": "^1.1 || ^2.0"
+            },
+            "require-dev": {
+                "symfony/phpunit-bridge": "^5.4@dev"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Pimple": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "Pimple, a simple Dependency Injection Container",
+            "homepage": "https://pimple.symfony.com",
+            "keywords": [
+                "container",
+                "dependency injection"
+            ],
+            "support": {
+                "source": "https://github.com/silexphp/Pimple/tree/v3.5.0"
+            },
+            "time": "2021-10-28T11:13:42+00:00"
+        },
         {
             "name": "scssphp/scssphp",
             "version": "v1.11.0",