pick ref() or service() function name, based on project

Author: TomasVotruba

src/ExprResolver/StringExprResolver.php

@@ -12,6 +12,7 @@
 use PhpParser\Node\Expr\FuncCall;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Scalar\String_;
+use Symplify\PhpConfigPrinter\Naming\ReferenceFunctionNameResolver;
 use Symplify\PhpConfigPrinter\NodeFactory\CommonNodeFactory;
 use Symplify\PhpConfigPrinter\NodeFactory\ConstantNodeFactory;
 use Symplify\PhpConfigPrinter\ValueObject\FunctionName;
@@ -69,7 +70,7 @@ public function resolve(
             return $this->resolveServiceReferenceExpr(
                 $value,
                 $skipServiceReference,
-                FunctionName::SERVICE,
+                ReferenceFunctionNameResolver::resolve(),
                 $isRoutingImport
             );
         }

src/ExprResolver/TaggedReturnsCloneResolver.php

@@ -7,6 +7,7 @@
 use PhpParser\Node\ArrayItem;
 use PhpParser\Node\Expr\Array_;
 use Symfony\Component\Yaml\Tag\TaggedValue;
+use Symplify\PhpConfigPrinter\Naming\ReferenceFunctionNameResolver;
 use Symplify\PhpConfigPrinter\ValueObject\FunctionName;
 
 final readonly class TaggedReturnsCloneResolver
@@ -23,7 +24,7 @@ public function resolve(TaggedValue $taggedValue): Array_
         $expr = $this->serviceReferenceExprResolver->resolveServiceReferenceExpr(
             $serviceName,
             false,
-            FunctionName::SERVICE
+            ReferenceFunctionNameResolver::resolve()
         );
 
         return new Array_([new ArrayItem($expr)]);

src/Naming/ReferenceFunctionNameResolver.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symplify\PhpConfigPrinter\Naming;
+
+use Symplify\PhpConfigPrinter\ValueObject\FunctionName;
+
+/**
+ * This helped method loads existing functions to refer a service
+ * ref() or service() based on the Symfony version of current project
+ */
+final class ReferenceFunctionNameResolver
+{
+    /**
+     * @return FunctionName::REF|FunctionName::SERVICE
+     */
+    public static function resolve(): string
+    {
+        if (function_exists(FunctionName::REF)) {
+            return FunctionName::REF;
+        }
+
+        // fallback to service
+        return FunctionName::SERVICE;
+    }
+}

src/NodeModifier/SingleFactoryReferenceNodeModifier.php

@@ -11,6 +11,7 @@
 use PhpParser\Node\Expr\FuncCall;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Scalar\String_;
+use Symplify\PhpConfigPrinter\Naming\ReferenceFunctionNameResolver;
 use Symplify\PhpConfigPrinter\NodeFactory\ArgsNodeFactory;
 use Symplify\PhpConfigPrinter\ValueObject\FunctionName;
 
@@ -70,6 +71,7 @@ private function createServiceFuncCall(string $serviceName): FuncCall
     {
         $serviceFuncCallArgs = $this->argsNodeFactory->createFromValues([$serviceName]);
 
-        return new FuncCall(new FullyQualified(FunctionName::SERVICE), $serviceFuncCallArgs);
+        $functionName = ReferenceFunctionNameResolver::resolve();
+        return new FuncCall(new FullyQualified($functionName), $serviceFuncCallArgs);
     }
 }