hashtag autocomplete

src/Module/Hashtag.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * @file src/Module/Hashtag.php
+ */
+namespace Friendica\Module;
+
+use Friendica\BaseModule;
+use Friendica\Core\System;
+use dba;
+
+/**
+ * Hashtag module.
+ */
+class Hashtag extends BaseModule {
+
+	public static function init()
+{
+		$result = [];
+
+		$t = escape_tags($_REQUEST['t']);
+		if (empty($t)) {
+			System::jsonExit($result);
+		}
+
+		$taglist = dba::p("SELECT DISTINCT(`term`) FROM `term` WHERE `term` LIKE ? AND `type` = ? ORDER BY `term`",
+			$t . '%',
+			intval(TERM_HASHTAG)
+		);
+		while ($tag = dba::fetch($taglist)) {
+			$result[] = ['text' => strtolower($tag['term'])];
+		}
+		dba::close($taglist);
+
+		System::jsonExit($result);
+	}
+}