Fix redundant and unused code.

Author: DigiLive

lib/jblond/Diff/Renderer/MainRenderer.php

@@ -381,10 +381,10 @@ private function getOuterChange(string $oldString, string $newString): array
      *
      * The index of the last element of the array is always returned.
      *
-     * @param   array    $blocks     The array which keeps the changes for the HTML renderer.
-     * @param   string   $tag        Kind of difference.
-     * @param   integer  $lineInOld  Start of block in "old".
-     * @param   integer  $lineInNew  Start of block in "new".
+     * @param   array   $blocks     The array which keeps the changes for the HTML renderer.
+     * @param   string  $tag        Kind of difference.
+     * @param   int     $lineInOld  Start of block in "old".
+     * @param   int     $lineInNew  Start of block in "new".
      *
      * @return int The index of the last element.
      */
@@ -437,7 +437,7 @@ function ($line) {
             // Convert special characters to HTML entities
             $strings = array_map(
                 function ($line) {
-                    return htmlspecialchars($line, ENT_NOQUOTES, 'UTF-8');
+                    return htmlspecialchars($line, ENT_NOQUOTES);
                 },
                 $strings
             );
@@ -447,7 +447,7 @@ function ($line) {
                 $line = preg_replace_callback(
                     '/(^[ \0\1]*)/',
                     function ($matches) {
-                        return str_replace(' ', " ", $matches[0]);
+                        return str_replace(' ', ' ', $matches[0]);
                     },
                     $line
                 );

lib/jblond/Diff/Renderer/MainRendererAbstract.php

@@ -14,7 +14,7 @@
  * @package         jblond\Diff\Renderer
  * @author          Mario Brandt <[email protected]>
  * @author          Ferry Cools <[email protected]>
- * @copyright   (c) 2009 Chris Boulton
+ * @copyright   (c) 2020 Ferry Cools
  * @license         New BSD License http://www.opensource.org/licenses/bsd-license.php
  * @version         2.3.0
  * @link            https://github.com/JBlond/php-diff
@@ -33,10 +33,6 @@ abstract class MainRendererAbstract
      * Mark line differences.
      */
     public const CHANGE_LEVEL_LINE = 2;
-    /**
-     * Mark no inline differences.
-     */
-    public const CHANGE_LEVEL_NONE = 4;
     /**
      * @var Diff $diff Instance of the diff class that this renderer is generating the rendered diff for.
      */