From ecd2f3af59cc4670922cc71ccc94797c14b587f5 Mon Sep 17 00:00:00 2001
From: matthes <leuffen@continue.de>
Date: Thu, 2 Nov 2017 15:32:45 +0100
Subject: [PATCH] Replace linebreaks in lines consisting only of arguments

---
 src/TextTemplate.php                 | 11 ++++++++---
 test/unit/tpls/06_debug_vars/out.txt |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/TextTemplate.php b/src/TextTemplate.php
index 23ace95..00a0796 100644
--- a/src/TextTemplate.php
+++ b/src/TextTemplate.php
@@ -224,9 +224,14 @@ private function _removeComments ($input) {
 
 
     private function _removeWhitespace ($input) {
-        //echo $input;
-        $input = preg_replace("/\}\s*\{(?!=)/im", "}{", $input);
-        //echo $input;
+        // Replace: All lines
+        // - Starting with Newline and optional spaces
+        // - With only {xyz}
+        // - Not Starting with {=
+        // And ending with newline by single line
+        //
+        // Caution: Lookahead at the end required to strip multiple lines!
+        $input = preg_replace("/\\n\s*(\{(?!\=)[^\}]+?\})(?=[\\n\{])/m", '$1', $input);
         return $input;
     }
 
diff --git a/test/unit/tpls/06_debug_vars/out.txt b/test/unit/tpls/06_debug_vars/out.txt
index e9ba080..76408ad 100644
--- a/test/unit/tpls/06_debug_vars/out.txt
+++ b/test/unit/tpls/06_debug_vars/out.txt
@@ -1,4 +1,5 @@
 1: Start
+
 ----- __CONTEXT__ -----
 array (
   'boolVal' => true,