[SERVELAB-1156]: Fix badoo/soft-mocks and update php-parser to 4.3.0

There are next changes:
- update `nikic/php-parser` to `^4.3.0`, so now version isn't specific
- minimum php version now is `7.0`
- now ext-json is required for get nikic/php-parser version for right rewritten files cache
- fixed error 'Unbinding $this of closure is deprecated'

.travis.yml

@@ -9,8 +9,6 @@ php:
   - 7.2
   - 7.1
   - 7.0
-  - 5.6
-  - 5.5
 
 env:
   - PHPUNIT_VERSION=^8.4.0
@@ -43,20 +41,6 @@ after_success:
 jobs:
   fast_finish: true
   exclude:
-    - php: 5.5
-      env: PHPUNIT_VERSION=^5.7.0
-    - php: 5.5
-      env: PHPUNIT_VERSION=^6.5.0
-    - php: 5.5
-      env: PHPUNIT_VERSION=^7.5.0
-    - php: 5.5
-      env: PHPUNIT_VERSION=^8.4.0
-    - php: 5.6
-      env: PHPUNIT_VERSION=^6.5.0
-    - php: 5.6
-      env: PHPUNIT_VERSION=^7.5.0
-    - php: 5.6
-      env: PHPUNIT_VERSION=^8.4.0
     - php: 7.0
       env: PHPUNIT_VERSION=^7.5.0
     - php: 7.0

CHANGELOG.md

@@ -5,6 +5,10 @@
 There are next changes:
 
 - add support phpunit 7.x and 8.x
+- update `nikic/php-parser` to `^4.3.0`, so now version isn't specific
+- minimum php version now is `7.0`
+- now ext-json is required for get nikic/php-parser version for right rewritten files cache
+- fixed error 'Unbinding $this of closure is deprecated'
 
 ## v2.0.6
 

UPGRADE.md

@@ -2,6 +2,12 @@
 
 The following upgrading instructions are cumulative. That is, if you want to upgrade from version A to version C and there is version B between A and C, you need to follow the instructions for both A and B.
 
+## Upgrade from SoftMocks 2.0.6
+
+- update php to at least `7.0`
+- update `nikic/php-parser` to `^4.3.0`, so if you use it, then update
+- install ext-json
+
 ## Upgrade from SoftMocks 1.3.5
 
 - Class constants redefining logic was changed (see [CHANGELOG.md](CHANGELOG.md)). Check class constants redefining usages, that it's working.

composer.json

@@ -10,8 +10,9 @@
     }
   ],
   "require": {
-    "php": ">=5.5",
-    "nikic/php-parser": "3.0.6"
+    "ext-json": "*",
+    "php": ">=7.0",
+    "nikic/php-parser": "^4.3.0"
   },
   "require-dev": {
     "vaimo/composer-patches": "3.23.1",