Support for PHP7.1 (min.)

Author: Progi1984

.github/workflows/ci.yml

@@ -8,6 +8,9 @@ jobs:
     strategy:
       matrix:
         php-version:
+          - "7.1"
+          - "7.2"
+          - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
@@ -76,11 +79,14 @@ jobs:
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
           restore-keys: ${{ runner.os }}-composer-
 
-      - name: Install dependencies
-        run: composer install --no-progress --prefer-dist --optimize-autoloader
+      - name: Composer Install
+        run: composer global require friendsofphp/php-cs-fixer
+
+      - name: Add environment path
+        run: export PATH="$PATH:$HOME/.composer/vendor/bin"
 
       - name: Code style with PHP-CS-Fixer
-        run: ./vendor/bin/php-cs-fixer fix --dry-run --show-progress=none --using-cache=no -v --format=checkstyle | cs2pr
+        run: php-cs-fixer fix --dry-run --diff
 
   phpcs:
     runs-on: ubuntu-latest

composer.json

@@ -58,26 +58,23 @@
         "fix": "Fixes issues found by PHP-CS"
     },
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^7.1|^8.0",
         "ext-dom": "*",
         "ext-json": "*",
         "ext-xml": "*",
-        "laminas/laminas-escaper": "^2.10"
+        "laminas/laminas-escaper": ">=2.6"
     },
     "require-dev": {
         "ext-zip": "*",
         "ext-gd": "*",
         "ext-libxml": "*",
         "dompdf/dompdf": "^2.0",
-        "friendsofphp/php-cs-fixer": "^3.11",
         "mpdf/mpdf": "^8.1",
         "php-coveralls/php-coveralls": "^2.5",
-        "phploc/phploc": "^7.0",
         "phpmd/phpmd": "^2.13",
-        "phpunit/phpunit": "^9.5",
-        "squizlabs/php_codesniffer": "^3.7",
+        "phpunit/phpunit": ">=7.0",
         "tecnickcom/tcpdf": "^6.5",
-        "symfony/process": "^5.4"
+        "symfony/process": "^4.4"
     },
     "suggest": {
         "ext-zip": "Allows writing OOXML and ODF",