Add test to prevent regression

[1.8.x-beta] Fix spaces in class names

.travis.yml

@@ -13,13 +13,11 @@ matrix:
     - php: 7.0
     - php: 7.1
     - php: 7.2
+    - php: 7.3
     - php: nightly
-    - php: hhvm
-    - php: hhvm-nightly
   fast_finish: true
   allow_failures:
     - php: nightly
-    - php: hhvm-nightly
 
 install:
   - composer install --prefer-dist --no-interaction --no-progress

Parsedown.php

@@ -17,7 +17,7 @@ class Parsedown
 {
     # ~
 
-    const version = '1.8.0-beta-1';
+    const version = '1.8.0-beta-7';
 
     # ~
 
@@ -317,9 +317,16 @@ class Parsedown
 
     protected function extractElement(array $Component)
     {
-        if ( ! isset($Component['element']) and isset($Component['markup']))
+        if ( ! isset($Component['element']))
         {
-            $Component['element'] = array('rawHtml' => $Component['markup']);
+            if (isset($Component['markup']))
+            {
+                $Component['element'] = array('rawHtml' => $Component['markup']);
+            }
+            elseif (isset($Component['hidden']))
+            {
+                $Component['element'] = array();
+            }
         }
 
         return $Component['element'];
@@ -384,6 +391,11 @@ class Parsedown
         }
     }
 
+    protected function blockCodeComplete($Block)
+    {
+        return $Block;
+    }
+
     #
     # Comment
 
@@ -457,7 +469,21 @@ class Parsedown
 
         if ($infostring !== '')
         {
-            $Element['attributes'] = array('class' => "language-$infostring");
+            /**
+             * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
+             * Every HTML element may have a class attribute specified.
+             * The attribute, if specified, must have a value that is a set
+             * of space-separated tokens representing the various classes
+             * that the element belongs to.
+             * [...]
+             * The space characters, for the purposes of this specification,
+             * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab),
+             * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and
+             * U+000D CARRIAGE RETURN (CR).
+             */
+            $language = substr($infostring, 0, strcspn($infostring, " \t\n\f\r"));
+
+            $Element['attributes'] = array('class' => "language-$language");
         }
 
         $Block = array(
@@ -501,6 +527,11 @@ class Parsedown
         return $Block;
     }
 
+    protected function blockFencedCodeComplete($Block)
+    {
+        return $Block;
+    }
+
     #
     # Header
 
@@ -1208,14 +1239,14 @@ class Parsedown
             'element' => array(),
         );
 
-        $safeText = self::escape($text, true);
+        $Inline['element']['elements'] = self::pregReplaceElements(
-
-        $Inline['element']['rawHtml'] = preg_replace(
             $this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/',
-            "<br />\n",
+            array(
-            $safeText
+                array('name' => 'br'),
+                array('text' => "\n"),
+            ),
+            $text
         );
-        $Inline['element']['allowRawHtmlInSafeMode'] = true;
 
         return $Inline;
     }

test/data/fenced_code_block.html

@@ -15,4 +15,6 @@ still a fenced code block</code></pre>
 <pre><code>foo
 
 
-bar</code></pre>
+bar</code></pre>
+<pre><code class="language-php">&lt;?php
+echo "Hello World";</code></pre>

test/data/fenced_code_block.md

@@ -35,4 +35,9 @@ foo
 
 
 bar
+```
+
+```php some-class
+<?php
+echo "Hello World";
 ```