Repository maintenance, remove EOL PHP versions

.travis.yml

@@ -19,12 +19,11 @@ matrix:
       dist: trusty
       group: edge
     - php: nightly
-    - php: 7.1
+    - php: 8.0
+    - php: 7.4
+    - php: 7.3
+    - php: 7.2
       env: LINT=true
-    - php: 7.0
-    - php: 5.6
-    - php: 5.5
-    - php: 5.4
 
   fast_finish: true
   allow_failures:

README.md

@@ -1,6 +1,6 @@
 # JSON Patch for PHP
 
-[![Build Status](https://secure.travis-ci.org/raphaelstolt/php-jsonpatch.png)](http://travis-ci.org/raphaelstolt/php-jsonpatch) [![Version](http://img.shields.io/packagist/v/php-jsonpatch/php-jsonpatch.svg?style=flat)](https://packagist.org/packages/php-jsonpatch/php-jsonpatch) [![PHP Version](http://img.shields.io/badge/php-5.4+-ff69b4.svg)](https://packagist.org/packages/php-jsonpatch/php-jsonpatch)
+[![Build Status](https://secure.travis-ci.org/raphaelstolt/php-jsonpatch.png)](http://travis-ci.org/raphaelstolt/php-jsonpatch) [![Version](http://img.shields.io/packagist/v/php-jsonpatch/php-jsonpatch.svg?style=flat)](https://packagist.org/packages/php-jsonpatch/php-jsonpatch) [![PHP Version](https://img.shields.io/badge/php-7.2+-ff69b4.svg)](https://packagist.org/packages/php-jsonpatch/php-jsonpatch)
 
 This is an implementation of [JSON Patch](http://tools.ietf.org/html/rfc6902) written in PHP.
 

composer.json

@@ -16,7 +16,7 @@
         "issues": "https://github.com/raphaelstolt/php-jsonpatch/issues"
     },
     "require": {
-        "php": ">=5.4",
+        "php": ">=7.2",
         "symfony/polyfill-mbstring": "^1.1",
         "php-jsonpointer/php-jsonpointer": "^3.0"
     },