[pipe] add custom printer to newline pipe always next line

Author: TomasVotruba

rules-tests/Php85/Rector/StmtsAwareInterface/NestedToPipeOperatorRector/Fixture/basic.php.inc

@@ -6,12 +6,17 @@ $value = "hello world";
 $result1 = function3($value);
 $result2 = function2($result1);
 $result = function1($result2);
+
 ?>
 -----
 <?php
 
 namespace Rector\Tests\Php85\Rector\StmtsAwareInterface\NestedToPipeOperatorRector\Fixture;
 
 $value = "hello world";
-$result = $value |> function3(...) |> function2(...) |> function1(...);
-?>
+$result = $value
+    |> function3(...)
+    |> function2(...)
+    |> function1(...);
+
+?>

rules-tests/Php85/Rector/StmtsAwareInterface/NestedToPipeOperatorRector/Fixture/nested_func.php.inc

@@ -3,11 +3,14 @@
 namespace Rector\Tests\Php85\Rector\StmtsAwareInterface\NestedToPipeOperatorRector\Fixture;
 
 $result = trim(strtoupper("Hello World"));
+
 ?>
 -----
 <?php
 
 namespace Rector\Tests\Php85\Rector\StmtsAwareInterface\NestedToPipeOperatorRector\Fixture;
 
-$result = strtoupper("Hello World") |> trim(...);
-?>
+$result = strtoupper("Hello World")
+    |> trim(...);
+
+?>

src/PhpParser/Printer/BetterStandardPrinter.php

@@ -332,6 +332,18 @@ protected function pExpr_Array(Array_ $array): string
         return parent::pExpr_Array($array);
     }
 
+    protected function pExpr_BinaryOp_Pipe(BinaryOp\Pipe $node, int $precedence, int $lhsPrecedence): string
+    {
+        return $this->pInfixOp(
+            BinaryOp\Pipe::class,
+            $node->left,
+            $this->nl . '    |> ',
+            $node->right,
+            $precedence,
+            $lhsPrecedence
+        );
+    }
+
     /**
      * Fixes escaping of regular patterns
      */