[M3uFormat] basic M3U support

formats/M3uFormat.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * M3U
+ *
+ */
+class M3uFormat extends FormatAbstract
+{
+    const MIME_TYPE = 'application/mpegurl';
+
+    public function stringify()
+    {
+        $contents = "#EXTM3U\n";
+
+        foreach ($this->getItems() as $item) {
+            $itemArray = $item->toArray();
+
+            if (isset($itemArray['itunes']) && isset($itemArray['enclosure'])) {
+                $contents .= $itemArray['enclosure']['url'] . "\n";
+            }
+        }
+        return mb_convert_encoding($contents, $this->getCharset(), 'UTF-8');
+    }
+}