Fix lib issue

composer.json

@@ -6,6 +6,7 @@
         "ext-ctype": "*",
         "ext-iconv": "*",
         "craue/formflow-bundle": "^3.2",
+        "doctrine/collections": "^1.6",
         "friendsofsymfony/jsrouting-bundle": "^2.4",
         "sensio/framework-extra-bundle": "^5.4",
         "symfony/asset": "4.3.*",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "87a4aec72e248761b399efb41f2dcfcf",
+    "content-hash": "cc98799ce9bc12d4405acb67e867d8b7",
     "packages": [
         {
             "name": "craue/formflow-bundle",
@@ -147,6 +147,76 @@
             ],
             "time": "2019-10-01T18:55:10+00:00"
         },
+        {
+            "name": "doctrine/collections",
+            "version": "1.6.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/collections.git",
+                "reference": "6b1e4b2b66f6d6e49983cebfe23a21b7ccc5b0d7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/collections/zipball/6b1e4b2b66f6d6e49983cebfe23a21b7ccc5b0d7",
+                "reference": "6b1e4b2b66f6d6e49983cebfe23a21b7ccc5b0d7",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^6.0",
+                "phpstan/phpstan-shim": "^0.9.2",
+                "phpunit/phpunit": "^7.0",
+                "vimeo/psalm": "^3.2.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Collections\\": "lib/Doctrine/Common/Collections"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "PHP Doctrine Collections library that adds additional functionality on top of PHP arrays.",
+            "homepage": "https://www.doctrine-project.org/projects/collections.html",
+            "keywords": [
+                "array",
+                "collections",
+                "iterators",
+                "php"
+            ],
+            "time": "2019-11-13T13:07:11+00:00"
+        },
         {
             "name": "doctrine/lexer",
             "version": "1.2.0",

symfony.lock

@@ -14,6 +14,9 @@
             "config/routes/annotations.yaml"
         ]
     },
+    "doctrine/collections": {
+        "version": "1.6.4"
+    },
     "doctrine/lexer": {
         "version": "1.1.0"
     },
@@ -29,6 +32,9 @@
             "config/routes/fos_js_routing.yaml"
         ]
     },
+    "php": {
+        "version": "7.2"
+    },
     "psr/cache": {
         "version": "1.0.1"
     },