Code beautifications and some little improvments

.travis.yml

@@ -8,10 +8,6 @@ php:
 env:
   - DOKUWIKI=master
   - DOKUWIKI=stable
-matrix:
-  include:
-    - php: "5.6"
-      env: DOKUWIKI=old-stable
 before_install: wget https://raw.github.com/splitbrain/dokuwiki-travis/master/travis.sh
 install: sh travis.sh
 script: cd _test && ./phpunit.phar --stderr --group plugin_semantic

_test/general.test.php

@@ -6,12 +6,14 @@
  * @group plugin_semantic
  * @group plugins
  */
-class general_plugin_semantic_test extends DokuWikiTest {
+class general_plugin_semantic_test extends DokuWikiTest
+{
 
     /**
      * Simple test to make sure the plugin.info.txt is in correct format
      */
-    public function test_plugininfo() {
+    public function test_plugininfo()
+    {
         $file = __DIR__ . '/../plugin.info.txt';
         $this->assertFileExists($file);
 
@@ -32,4 +34,3 @@ class general_plugin_semantic_test extends DokuWikiTest {
         $this->assertTrue(false !== strtotime($info['date']));
     }
 }
-

action.php

@@ -4,13 +4,9 @@
  *
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  * @author     Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
- * @copyright  (C) 2015-2019, Giuseppe Di Terlizzi
+ * @copyright  (C) 2015-2020, Giuseppe Di Terlizzi
  */
 
-// must be run within Dokuwiki
-if (!defined('DOKU_INC')) {
-    die();
-}
 
 /**
  * Class Semantic Action Plugin
@@ -108,10 +104,8 @@ class action_plugin_semantic extends DokuWiki_Action_Plugin
         $this->helper->getMetadata($id);
         $json_ld = $this->helper->getJsonLD();
 
-        $json = new JSON();
-
         header('Content-Type: application/ld+json');
-        print $json->encode($json_ld);
+        print json_encode($json_ld);
         return true;
 
     }

conf/default.php

@@ -12,5 +12,5 @@ $conf['useMetaDescription']   = 1;
 $conf['useMetaAuthor']        = 1;
 $conf['useDublinCore']        = 0;
 $conf['useOpenGraph']         = 0;
-$conf['excludedPages']        = '(wiki|playground)';
+$conf['excludedPages']        = '(wiki)';
 $conf['hideMail']             = 0;

helper.php

@@ -4,14 +4,9 @@
  *
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  * @author     Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
- * @copyright  (C) 2015-2019, Giuseppe Di Terlizzi
+ * @copyright  (C) 2015-2020, Giuseppe Di Terlizzi
  */
 
-// must be run within Dokuwiki
-if (!defined('DOKU_INC')) {
-    die();
-}
-
 class helper_plugin_semantic extends DokuWiki_Plugin
 {
 

syntax.php

@@ -5,22 +5,22 @@
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  * @author     Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
  */
-// must be run within Dokuwiki
-if (!defined('DOKU_INC')) die();
 
-if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
+class syntax_plugin_semantic extends DokuWiki_Syntax_Plugin
-
+{
-class syntax_plugin_semantic extends DokuWiki_Syntax_Plugin {
 
     private $macros = array(
         '~~NewsArticle~~', '~~Article~~', '~~TechArticle~~',
-    '~~BlogPosting~~', '~~Recipe~~', '~~NOSEMANTIC~~'
+        '~~BlogPosting~~', '~~Recipe~~', '~~NOSEMANTIC~~',
     );
 
-  function getType() { return 'substition'; }
+    public function getType()
-  function getSort() { return 99; }
+    {return 'substition';}
+    public function getSort()
+    {return 99;}
 
-  function connectTo($mode) {
+    public function connectTo($mode)
+    {
 
         foreach ($this->macros as $macro) {
             $this->Lexer->addSpecialPattern($macro, $mode, 'plugin_semantic');
@@ -28,11 +28,13 @@ class syntax_plugin_semantic extends DokuWiki_Syntax_Plugin {
 
     }
 
-  function handle($match, $state, $pos, Doku_Handler $handler) {
+    public function handle($match, $state, $pos, Doku_Handler $handler)
+    {
         return array($match, $state, $pos);
     }
 
-  function render($mode, Doku_Renderer $renderer, $data) {
+    public function render($mode, Doku_Renderer $renderer, $data)
+    {
 
         if ($mode == 'metadata') {