From 65d27e57635e15bb62c58c450fd0fefa3544be1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20F=2E=20Ruvinski?= <joao.ruvinski@outlook.com>
Date: Thu, 2 Jan 2020 19:09:05 -0300
Subject: [PATCH] Added static in method implementation

---
 src/Engine/ZF3TurboCSSEngine.php  | 8 ++++----
 src/Engine/ZF3TurboHTMLEngine.php | 2 +-
 src/Engine/ZF3TurboJSEngine.php   | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/Engine/ZF3TurboCSSEngine.php b/src/Engine/ZF3TurboCSSEngine.php
index 1033d88..65bb7a8 100644
--- a/src/Engine/ZF3TurboCSSEngine.php
+++ b/src/Engine/ZF3TurboCSSEngine.php
@@ -17,7 +17,7 @@ public function __construct()
     {
     }
 
-    public function minify_css_callback($matches)
+    public static function minify_css_callback($matches)
 	{
         //print_r($matches);
 
@@ -37,7 +37,7 @@ public function minify_css_callback($matches)
 		return "{$openStyleTag}{$css}</style>";
     }
 
-    protected function removeComments($data)
+    protected static function removeComments($data)
     {
         if (false !== strpos($data, '/*')) {
             $data = str_replace("/*","_COMSTART",$data);
@@ -48,7 +48,7 @@ protected function removeComments($data)
         return $data;
     }
 
-    protected function removeCdata($data)
+    protected static function removeCdata($data)
 	{
 		if (false !== strpos($data, '<![CDATA[')) {
 			$data = str_replace('//<![CDATA[', '', $data);
@@ -62,7 +62,7 @@ protected function removeCdata($data)
 		return $data;
     }
     
-    protected function removeSpaces($data)
+    protected static function removeSpaces($data)
     {
         $data = preg_replace("/\s+/u", " ", $data);
         $data = str_replace(' ', '', $data);
diff --git a/src/Engine/ZF3TurboHTMLEngine.php b/src/Engine/ZF3TurboHTMLEngine.php
index 69f701b..7373ee9 100644
--- a/src/Engine/ZF3TurboHTMLEngine.php
+++ b/src/Engine/ZF3TurboHTMLEngine.php
@@ -17,7 +17,7 @@ public function __construct()
     {
     }
 
-    public function remove_comments_callback($matches)
+    public static function remove_comments_callback($matches)
 	{
 		return (0 === strpos($matches[1], '[') || false !== strpos($matches[1], '<![')) ? $matches[0] : '';
     }
diff --git a/src/Engine/ZF3TurboJSEngine.php b/src/Engine/ZF3TurboJSEngine.php
index f3e62b5..b840cbf 100644
--- a/src/Engine/ZF3TurboJSEngine.php
+++ b/src/Engine/ZF3TurboJSEngine.php
@@ -17,7 +17,7 @@ public function __construct()
     {
     }
 
-    public function minify_js_callback($matches)
+    public static function minify_js_callback($matches)
 	{
 
         $openScriptTag = "<script{$matches[2]}";
@@ -32,14 +32,14 @@ public function minify_js_callback($matches)
 		return "{$openScriptTag}{$js}</script>";
     }
 
-    protected function removeComments($data)
+    protected static function removeComments($data)
     {
         $data = preg_replace('/(?:(?:\/\*(?:[^*]|(?:\*+[^*\/]))*\*+\/)|(?:(?<!\:|\\\\\|\')\/\/.*))/u', '', $data);
 
         return $data;
     }
 
-    protected function removeSpaces($data)
+    protected static function removeSpaces($data)
     {    
         // remove whitespace from start - end
         $data = trim($data);