Remove deprecated (and useless) function finfo_close

src/MDFormatter.php

@@ -77,6 +77,19 @@ final class MDFormatter {
 
     }
 
+    /**
+     * Applies markdown formatting for fourth level headline.
+     *
+     * @param string $input Headline text.
+     *
+     * @return string
+     */
+    public static function formatMarkdownHeadline4(string $input):string {
+
+        return '#### ' . $input . PHP_EOL;
+
+    }
+
     /**
      * Returns a horizontal rule in markdown.
      *

src/MD_STD.php

@@ -392,7 +392,6 @@ final class MD_STD {
         // if ($err = curl_errno($curl)) echo $err;
         // if ($errmsg  = curl_error($curl)) echo $errmsg;
 
-        \curl_close($curl);
         if (\is_bool($result)) {
             return "";
         }
@@ -478,7 +477,6 @@ final class MD_STD {
         ]);
         curl_exec($ch);
         $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-        curl_close($ch);
         if ($code !== 200) {
             return false;
         }
@@ -743,7 +741,6 @@ final class MD_STD {
         if (!($mime_type = finfo_file($finfo, $filepath))) {
             throw new MDWrongFileType("Cannot get mime type of file: " . basename($filepath));
         }
-        \finfo_close($finfo);
 
         return $mime_type;
 
@@ -770,7 +767,6 @@ final class MD_STD {
 
         \curl_setopt($ch, CURLOPT_FILE, $fp);
         \curl_exec($ch);
-        \curl_close($ch);
 
         $mime_type = MD_STD::mime_content_type($tmp_file);
         self::unlink($tmp_file);