Attempt to drop min PHP version

Author: iquito

.travis.yml

@@ -4,6 +4,8 @@ env:
         - GIT_COMMITTED_AT=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then git log -1 --pretty=format:%ct; else git log -1 --skip 1 --pretty=format:%ct; fi)
 language: php
 php:
+    - '7.2'
+    - '7.3'
     - '7.4'
 
 before_script:

composer.json

@@ -17,7 +17,7 @@
         }
     ],
     "require": {
-        "php": "^7.4",
+        "php": ">=7.2.5",
         "twig/twig": "^3.0"
     },
     "require-dev": {
@@ -27,7 +27,7 @@
     "config": {
         "sort-packages": false,
         "platform": {
-            "php": "7.4"
+            "php": "7.2.5"
         }
     },
     "autoload": {