improved invoices with new renderer (#306)

* added docx renderer and demo template * added csv renderer and demo template * added xlsx renderer and demo template * added ods renderer and demo template * added user calculator * added invoice documentation
2018-09-21 01:27:56 +02:00
parent b035fc9ebd
commit 53f82a808b
121 changed files with 4094 additions and 770 deletions
--- a/src/Twig/MarkdownExtension.php
+++ b/src/Twig/MarkdownExtension.php
@@ -53,8 +53,12 @@ class MarkdownExtension extends \Twig_Extension
     * @param string $content
     * @return string
     */
-    public function timesheetContent(string $content): string
+    public function timesheetContent($content): string
    {
+        if (empty($content)) {
+            return '';
+        }
+
        if ($this->timesheetIsMarkdown) {
            return $this->markdown->toHtml($content, false);
        }