Use BINARY_OP macro for printing Pipe AST.

Author: Crell

Zend/tests/pipe_operator/ast.phpt

@@ -7,6 +7,10 @@ function _test(int $a): int {
     return $a + 1;
 }
 
+function abool(int $x): bool {
+    return false;
+}
+
 try {
     assert((5 |> '_test') == 99);
 } catch (AssertionError $e) {
@@ -19,7 +23,14 @@ try {
     echo $e->getMessage(), PHP_EOL;
 }
 
+try {
+    assert(5 |> abool(...));
+} catch (AssertionError $e) {
+    echo $e->getMessage(), PHP_EOL;
+}
+
 ?>
 --EXPECTF--
-assert(5 |> '_test' == 99)
-assert(5 |> _test(...) == 99)
+assert((5 |> '_test') == 99)
+assert((5 |> _test(...)) == 99)
+assert(5 |> abool(...))

Zend/zend_ast.c

@@ -2296,6 +2296,7 @@ static ZEND_COLD void zend_ast_export_ex(smart_str *str, zend_ast *ast, int prio
 		case ZEND_AST_GREATER_EQUAL:           BINARY_OP(" >= ",  180, 181, 181);
 		case ZEND_AST_AND:                     BINARY_OP(" && ",  130, 130, 131);
 		case ZEND_AST_OR:                      BINARY_OP(" || ",  120, 120, 121);
+		case ZEND_AST_PIPE:                    BINARY_OP(" |> ",  130, 130, 131);
 		case ZEND_AST_ARRAY_ELEM:
 			if (ast->child[1]) {
 				zend_ast_export_ex(str, ast->child[1], 80, indent);
@@ -2506,11 +2507,6 @@ static ZEND_COLD void zend_ast_export_ex(smart_str *str, zend_ast *ast, int prio
 				zend_ast_export_name(str, ast->child[1], 0, indent);
 			}
 			break;
-		case ZEND_AST_PIPE:
-			zend_ast_export_ex(str, ast->child[0], 0, indent);
-			smart_str_appends(str, " |> ");
-			zend_ast_export_ex(str, ast->child[1], 0, indent);
-			break;
 		case ZEND_AST_NAMED_ARG:
 			smart_str_append(str, zend_ast_get_str(ast->child[0]));
 			smart_str_appends(str, ": ");