diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f126380..98f28b08 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   tests:
-    name: "PHP ${{ matrix.php }} + Doctrine ORM ${{ matrix.doctrine-orm }} + Composer ${{ matrix.composer-flags }}"
+    name: "PHP ${{ matrix.php }} + Doctrine ORM ${{ matrix.doctrine-orm }}"
     runs-on: ubuntu-latest
 
     strategy:
@@ -22,7 +22,6 @@ jobs:
           - php: '8.2'
           - php: '8.3'
           - php: '8.4'
-            ignore-php-version: true
             calculate-code-coverage: true
           - doctrine-orm: '2.14'
           - doctrine-orm: '3.0'
@@ -54,11 +53,11 @@ jobs:
     - name: Install composer dependencies
       run: |
         if [ "${{ matrix.doctrine-orm }}" == "2.14" ]; then
-          composer require doctrine/orm "~2.14" --prefer-dist --no-interaction --no-progress ${{ matrix.composer-flags }}
+          composer require doctrine/orm "~2.14" --prefer-dist --no-interaction --no-progress
         elif [ "${{ matrix.doctrine-orm }}" == "3.0" ]; then
-          composer require doctrine/orm "~3.0" --prefer-dist --no-interaction --no-progress ${{ matrix.composer-flags }}
+          composer require doctrine/orm "~3.0" --prefer-dist --no-interaction --no-progress
         else
-          composer update --prefer-dist --no-interaction --no-progress ${{ matrix.composer-flags }}
+          composer update --prefer-dist --no-interaction --no-progress
         fi
 
     - name: Run static analysis
@@ -67,9 +66,6 @@ jobs:
 
     - name: Check code style
       run: composer check-code-style
-      if: matrix.ignore-php-version == true
-      env:
-        PHP_CS_FIXER_IGNORE_ENV: 1
 
     - name: Check for security vulnerabilities in 3rd party dependencies
       run: composer audit
@@ -84,4 +80,4 @@ jobs:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         fail-on-error: false
         base-path: ./var/logs/test-coverage/
-        flag-name: "PHP ${{ matrix.php }} + Composer@${{ matrix.composer-flags || '*' }}"
+        flag-name: "PHP ${{ matrix.php }}"
diff --git a/ci/phpstan/config.neon b/ci/phpstan/config.neon
index 571ed447..5ffbffea 100644
--- a/ci/phpstan/config.neon
+++ b/ci/phpstan/config.neon
@@ -5,12 +5,15 @@ includes:
 parameters:
     level: max
     paths:
+        - ../../ci
         - ../../src
         - ../../tests
 
-    checkMissingIterableValueType: false
     reportUnmatchedIgnoredErrors: false
+
     ignoreErrors:
+        - identifier: missingType.iterableValue
+            
         - '#Parameter \#1 \$phpArray of method MartinGeorgiev\\Doctrine\\DBAL\\Types\\BaseArray::convertToDatabaseValue\(\) expects array\|null, string given.#'
         - '#Parameter \#1 \$postgresArray of method MartinGeorgiev\\Doctrine\\DBAL\\Types\\BaseArray::convertToPHPValue\(\) expects string\|null, int given.#'
         - '#Property MartinGeorgiev\\Doctrine\\ORM\\Query\\AST\\Functions\\Cast::\$sourceType \(Doctrine\\ORM\\Query\\AST\\Node\) does not accept Doctrine\\ORM\\Query\\AST\\Node\|string#'
diff --git a/composer.json b/composer.json
index 01191247..3b4d4255 100644
--- a/composer.json
+++ b/composer.json
@@ -59,23 +59,39 @@
     },
 
     "scripts": {
+        "deptrac": [
+            "deptrac analyze --config-file=./ci/deptrac/config.yml --cache-file=./ci/deptrac/.cache --no-interaction --no-progress"
+        ],
+        "php-cs-fixer": [
+            "PHP_CS_FIXER_IGNORE_ENV=1 php-cs-fixer fix --config=./ci/php-cs-fixer/config.php --show-progress=none --no-interaction --diff -v"
+        ],
+        "phpstan": [
+            "phpstan analyse --configuration=./ci/phpstan/config.neon"
+        ],
+        "phpunit": [
+            "XDEBUG_MODE=coverage phpunit --configuration=./ci/phpunit/config.xml"
+        ],
+        "rector": [
+            "rector --config=./ci/rector/config.php --ansi --no-progress-bar"
+        ],
+
         "check-code-style": [
-            "php-cs-fixer fix --config='./ci/php-cs-fixer/config.php' --show-progress=none --dry-run --no-interaction --diff -v",
-            "rector --config='./ci/rector/config.php' --ansi --no-progress-bar --dry-run"
+            "@php-cs-fixer --dry-run",
+            "@rector --dry-run"
         ],
         "fix-code-style": [
-            "rector --config='./ci/rector/config.php' --ansi --no-progress-bar",
-            "php-cs-fixer fix --config='./ci/php-cs-fixer/config.php' --show-progress=none --no-interaction --diff -v"
+            "@rector",
+            "@php-cs-fixer"
         ],
         "run-static-analysis": [
-            "phpstan analyse --configuration='./ci/phpstan/config.neon'",
-            "deptrac analyze --config-file='./ci/deptrac/config.yml' --cache-file='./ci/deptrac/.cache' --no-interaction --no-progress"
+            "@phpstan",
+            "@deptrac"
         ],
         "run-tests": [
-            "phpunit --configuration='./ci/phpunit/config.xml'"
+            "@phpunit"
         ],
         "run-tests-with-clover": [
-            "phpunit --configuration='./ci/phpunit/config.xml' --coverage-clover './var/logs/test-coverage/clover.xml'"
+            "@phpunit --coverage-clover=./var/logs/test-coverage/clover.xml"
         ]
     },
 
diff --git a/src/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/Arr.php b/src/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/Arr.php
index 848b9e51..daf731ef 100644
--- a/src/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/Arr.php
+++ b/src/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/Arr.php
@@ -4,6 +4,8 @@
 
 namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions;
 
+use MartinGeorgiev\Doctrine\ORM\Query\AST\Functions\Exception\InvalidArgumentForVariadicFunctionException;
+
 /**
  * Implementation of PostgreSQL ARRAY[].
  *
@@ -12,11 +14,20 @@
  *
  * @author Martin Georgiev <martin.georgiev@gmail.com>
  */
-class Arr extends BaseFunction
+class Arr extends BaseVariadicFunction
 {
+    protected string $commonNodeMapping = 'StringPrimary';
+
     protected function customizeFunction(): void
     {
         $this->setFunctionPrototype('ARRAY[%s]');
-        $this->addNodeMapping('StringPrimary');
+    }
+
+    protected function validateArguments(array $arguments): void
+    {
+        $argumentCount = \count($arguments);
+        if ($argumentCount === 0) {
+            throw InvalidArgumentForVariadicFunctionException::atLeast('ARRAY', 1);
+        }
     }
 }
diff --git a/tests/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/ArrTest.php b/tests/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/ArrTest.php
new file mode 100644
index 00000000..12b1d12c
--- /dev/null
+++ b/tests/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/ArrTest.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\MartinGeorgiev\Doctrine\ORM\Query\AST\Functions;
+
+use Fixtures\MartinGeorgiev\Doctrine\Entity\ContainsArrays;
+use MartinGeorgiev\Doctrine\ORM\Query\AST\Functions\Arr;
+
+class ArrTest extends TestCase
+{
+    protected function getStringFunctions(): array
+    {
+        return [
+            'ARRAY' => Arr::class,
+        ];
+    }
+
+    protected function getExpectedSqlStatements(): array
+    {
+        return [
+            // Multiple literal values
+            "SELECT ARRAY['foo', 'bar', 'baz'] AS sclr_0 FROM ContainsArrays c0_",
+            // Column references
+            'SELECT ARRAY[c0_.array1] AS sclr_0 FROM ContainsArrays c0_',
+            // Mix of column references and literals
+            "SELECT ARRAY[c0_.array1, 'test-value', c0_.array2] AS sclr_0 FROM ContainsArrays c0_",
+        ];
+    }
+
+    protected function getDqlStatements(): array
+    {
+        return [
+            // Multiple literal values
+            \sprintf("SELECT ARRAY('foo', 'bar', 'baz') FROM %s e", ContainsArrays::class),
+            // Column references
+            \sprintf('SELECT ARRAY(e.array1) FROM %s e', ContainsArrays::class),
+            // Mix of column references and literals
+            \sprintf("SELECT ARRAY(e.array1, 'test-value', e.array2) FROM %s e", ContainsArrays::class),
+        ];
+    }
+}