implement getCode method

README.md

@@ -129,6 +129,7 @@ $body = new \Yggverse\Gemini\Gemtext\Body(
 #### Body::getH2
 #### Body::getH3
 #### Body::getQuote
+#### Body::getCode
 #### Body::getLinks
 
 ``` php

src/Gemtext/Body.php

@@ -111,6 +111,21 @@ class Body
         return $matches;
     }
 
+    public function getCode(): array
+    {
+        $matches = [];
+
+        foreach ($this->_lines as $index => $line)
+        {
+            if (preg_match('/^```(.*)/', trim($line), $match))
+            {
+                $matches[$index] = empty($match[1]) ? null : trim($match[1]);
+            }
+        }
+
+        return $matches;
+    }
+
     public function findLinks(string $protocol = 'gemini'): array
     {
         $matches = [];