preparing php7 upgrade

.gitignore

@@ -1,3 +1,4 @@
+.idea
 build/
 vendor/
 bin/

composer.json

@@ -20,6 +20,10 @@
             "role":"Contributor"
         }
     ],
+    "scripts": {
+        "test": "php vendor/pestphp/pest/bin/pest",
+        "rector": "php vendor/rector/rector/bin/rector process"
+    },
     "autoload":{
         "psr-4":{
             "NilPortugues\\Sql\\QueryBuilder\\":"src/"
@@ -32,19 +36,21 @@
     },
     "require":
     {
-        "php": ">=5.5",
+        "php": ">=7.4",
         "nilportugues/sql-query-formatter": "~1.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "4.*",
-        "fabpot/php-cs-fixer": "~1.9",
-        "nilportugues/php_backslasher": "~0.2"
+        "phpunit/phpunit": "^9.0",
+        "friendsofphp/php-cs-fixer": "^2.16",
+        "pestphp/pest": "^0.1.5",
+        "rector/rector": "^0.7.26"
     },
     "config":
     {
         "bin-dir": "bin"
     },
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "extra": {
         "branch-alias": {
             "dev-master": "1.0.x-dev"

rector.yaml

@@ -0,0 +1,34 @@
+imports:
+    - { resource: "create-rector.yaml", ignore_errors: 'not_found' }
+
+parameters:
+    # bleeding edge feature
+    # is_cache_enabled: true
+
+    auto_import_names: true
+
+    sets:
+        # - solid
+        - 'dead-code'
+        - 'early-return'
+        - 'order'
+        # - 'code-quality'
+
+        # - 'performance'
+        #>blows up - 'psr4'
+        # - 'phpunit91'
+        # - 'php74'
+        #
+
+    paths:
+        - src
+        - tests
+
+    exclude_paths:
+        - "/vendor/"
+
+    php_version_features: '7.4'
+
+services:
+    Rector\DeadCode\Rector\ClassConst\RemoveUnusedPrivateConstantRector: null
+    Rector\SOLID\Rector\Class_\RepeatedLiteralToClassConstantRector: null

src/Builder/BuilderException.php

@@ -10,9 +10,10 @@
 
 namespace NilPortugues\Sql\QueryBuilder\Builder;
 
+use Exception;
 /**
  * Class BuilderException.
  */
-final class BuilderException extends \Exception
+final class BuilderException extends Exception
 {
 }