Fix variable counter keep changing on downgrade on DowngradeNullsafeToTernaryOperatorRector

Author: samsonasik

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/get_nullable.php.inc

@@ -27,7 +27,7 @@ final class GetNullable
 {
     public function run($value)
     {
-        return ($nullsafeVariable6 = $this->extractArrayItemByKey($value)) ? $nullsafeVariable6->value : null;
+        return ($nullsafeVariable1 = $this->extractArrayItemByKey($value)) ? $nullsafeVariable1->value : null;
     }
 
     protected function extractArrayItemByKey($value): ?ArrayItem

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/get_nullable_in_trait.php.inc

@@ -29,7 +29,7 @@ trait GetNullableInTrait
 {
     public function run($value)
     {
-        return ($nullsafeVariable7 = $this->extractArrayItemByKey($value)) ? $nullsafeVariable7->value : null;
+        return ($nullsafeVariable1 = $this->extractArrayItemByKey($value)) ? $nullsafeVariable1->value : null;
     }
 
     protected function extractArrayItemByKey($value): ?ArrayItem

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/multiple_call.php.inc

@@ -21,8 +21,8 @@ class MultipleCall
 {
     public function run($object)
     {
-        $result = ($nullsafeVariable8 = ($nullsafeVariable10 = $object->multiple($args1)) ? $nullsafeVariable10->call($args2) : null) ? $nullsafeVariable8->otherCall($args3) : null;
-        $result = ($nullsafeVariable9 = ($nullsafeVariable11 = ($nullsafeVariable12 = $object->multiple($args1)) ? $nullsafeVariable12->call($args2) : null) ? $nullsafeVariable11->otherCall($args3) : null) ? $nullsafeVariable9->anotherCall($args4) : null;
+        $result = ($nullsafeVariable1 = ($nullsafeVariable2 = $object->multiple($args1)) ? $nullsafeVariable2->call($args2) : null) ? $nullsafeVariable1->otherCall($args3) : null;
+        $result = ($nullsafeVariable3 = ($nullsafeVariable4 = ($nullsafeVariable5 = $object->multiple($args1)) ? $nullsafeVariable5->call($args2) : null) ? $nullsafeVariable4->otherCall($args3) : null) ? $nullsafeVariable3->anotherCall($args4) : null;
     }
 }
 

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/short_circuit.php.inc

@@ -20,7 +20,7 @@ final class ShortCircuit
 {
     public function run(bool $param)
     {
-        return ($nullsafeVariable13 = $this->clock) ? $nullsafeVariable13->now()->format('U.u') : null;
+        return ($nullsafeVariable1 = $this->clock) ? $nullsafeVariable1->now()->format('U.u') : null;
     }
 }
 

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/short_circuit3.php.inc

@@ -20,7 +20,7 @@ final class ShortCircuit3
 {
     public function run(bool $param)
     {
-        return ($nullsafeVariable14 = $this->clock) ? $nullsafeVariable14->now->format : null;
+        return ($nullsafeVariable1 = $this->clock) ? $nullsafeVariable1->now->format : null;
     }
 }
 

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/short_circuit4.php.inc

@@ -20,7 +20,7 @@ final class ShortCircuit4
 {
     public function run(bool $param)
     {
-        return ($nullsafeVariable15 = $this->clock) ? $nullsafeVariable15->now->format('U.u') : null;
+        return ($nullsafeVariable1 = $this->clock) ? $nullsafeVariable1->now->format('U.u') : null;
     }
 }
 

rules-tests/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector/Fixture/short_circuit5.php.inc

@@ -20,7 +20,7 @@ final class ShortCircuit5
 {
     public function run(bool $param)
     {
-        return ($nullsafeVariable16 = $this->clock) ? $nullsafeVariable16->now()->format : null;
+        return ($nullsafeVariable1 = $this->clock) ? $nullsafeVariable1->now()->format : null;
     }
 }
 

rules/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector.php

@@ -51,6 +51,13 @@ public function getNodeTypes(): array
      */
     public function refactor(Node $node): ?Ternary
     {
+        static $currentFile = $this->file;
+
+        if ($currentFile !== $this->file) {
+            $this->counter = 0;
+            $currentFile = $this->file;
+        }
+
         if ($node instanceof MethodCall || $node instanceof PropertyFetch) {
             if ($node->var instanceof NullsafeMethodCall || $node->var instanceof NullsafePropertyFetch) {
                 $nullsafeVariable = $this->createNullsafeVariable();