Drop PHP 7.1 support

Author: ondrejmirtes

.github/workflows/lint.yml

@@ -21,7 +21,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"

.github/workflows/static-analysis.yml

@@ -25,7 +25,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"
@@ -72,7 +71,7 @@ jobs:
           extensions: mbstring
 
       - name: "Downgrade PHPUnit"
-        if: matrix.php-version == '7.1' || matrix.php-version == '7.2'
+        if: matrix.php-version == '7.2'
         run: "composer require --dev phpunit/phpunit:^7.5.20 brianium/paratest:^4.0 --update-with-dependencies --ignore-platform-reqs"
 
       - name: "PHPStan"

.github/workflows/tests.yml

@@ -115,7 +115,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
         operating-system: [ ubuntu-latest, windows-latest ]
         script:

build/rector-downgrade-vendor.php

@@ -7,5 +7,3 @@ set -o nounset
 export TARGET_PHP_VERSION=$1
 
 vendor/bin/rector process src tests/PHPStan tests/e2e -c build/rector-downgrade.php --no-diffs
-
-vendor/bin/rector process vendor/symfony vendor/nette -c build/rector-downgrade-vendor.php --no-diffs || true

build/transform-source

@@ -270,14 +270,8 @@ public function testCallToWeirdFunctions(): void
 		$this->analyse([__DIR__ . '/data/call-to-weird-functions.php'], $errors);
 	}
 
-	/**
-	 * @requires PHP 7.1.1
-	 */
 	public function testUnpackOnAfter711(): void
 	{
-		if (!self::$useStaticReflectionProvider && PHP_VERSION_ID < 70101) {
-			$this->markTestSkipped('This test requires PHP >= 7.1.1');
-		}
 		$this->analyse([__DIR__ . '/data/unpack.php'], [
 			[
 				'Function unpack invoked with 0 parameters, 2-3 required.',