remove php 7.2 support

Author: mmasiukevich

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 7.2
   - 7.3
   - 7.4snapshot
 
@@ -25,10 +24,10 @@ install:
 
 script:
   - ./vendor/bin/phpunit --configuration ./phpunit.xml --coverage-clover=coverage.clover
-  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then ./vendor/bin/psalm --config=psalm.xml; fi
-  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then ./vendor/bin/phpstan analyse src --level 7; fi
-  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then ./vendor/bin/php-cs-fixer fix --allow-risky=yes --dry-run; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.3" ]; then ./vendor/bin/psalm --config=psalm.xml; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.3" ]; then ./vendor/bin/phpstan analyse src --level 7; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.3" ]; then ./vendor/bin/php-cs-fixer fix --allow-risky=yes --dry-run; fi
 
 after_script:
-  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then wget -c -nc --retry-connrefused --tries=0 https://scrutinizer-ci.com/ocular.phar; fi
-  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.3" ]; then wget -c -nc --retry-connrefused --tries=0 https://scrutinizer-ci.com/ocular.phar; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.3" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi

composer.json

@@ -27,15 +27,15 @@
     }
   },
   "require": {
-    "php": ">=7.2",
+    "php": ">=7.3",
     "amphp/amp": "^2",
     "amphp/file": "^0.3"
   },
   "require-dev": {
     "php-service-bus/code-style-config": "^v0.1",
     "phpunit/phpunit": "^8",
     "vimeo/psalm": "^v3",
-    "phpstan/phpstan": "^0.11"
+    "phpstan/phpstan": "0.11.*"
   },
   "prefer-stable": true,
   "minimum-stability": "dev",