Updated the composer.json to require PHP 7.2, removed Travis CI tests for all PHP versions prior to 7.2 and replace jimdo/prometheus_client_php with endclothing/prometheus_client_php to support PHP 7.2.

.travis.yml

@@ -1,11 +1,9 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 before_install:
   - echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini

composer.json

@@ -9,10 +9,10 @@
     }
   ],
   "require": {
-    "php": ">=5.6.0",
+    "php": ">=7.2.0",
     "illuminate/support": "^5.3 || ^6.0 || ^7.0",
     "illuminate/routing": "^5.3 || ^6.0 || ^7.0",
-    "jimdo/prometheus_client_php": "^0.9.0"
+    "endclothing/prometheus_client_php": "^1.0"
   },
   "autoload": {
     "psr-4": {