diff --git a/blogger/blogger.php b/blogger/blogger.php
index e9813dc2e..7dfbcc4a2 100644
--- a/blogger/blogger.php
+++ b/blogger/blogger.php
@@ -8,6 +8,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 function blogger_install()
 {
@@ -205,7 +206,7 @@ EOT;
 		logger('blogger: data: ' . $xml, LOGGER_DATA);
 
 		if ($bl_blog !== 'test') {
-			$x = post_url($bl_blog, $xml);
+			$x = Network::post($bl_blog, $xml);
 		}
 
 		logger('posted to blogger: ' . (($x) ? $x : ''), LOGGER_DEBUG);
diff --git a/buffer/buffer.php b/buffer/buffer.php
index 0f05b5c62..bb1d8482e 100644
--- a/buffer/buffer.php
+++ b/buffer/buffer.php
@@ -272,11 +272,9 @@ function buffer_send(App $a, &$b)
 	$client_secret = Config::get("buffer", "client_secret");
 	$access_token = PConfig::get($b['uid'], "buffer","access_token");
 
-	if($access_token) {
+	if ($access_token) {
 		$buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
 
-		require_once 'include/network.php';
-
 		$profiles = $buffer->go('/profiles');
 		if (is_array($profiles)) {
 			logger("Will send these parameter ".print_r($b, true), LOGGER_DEBUG);
@@ -353,11 +351,11 @@ function buffer_send(App $a, &$b)
 
 				//if ($includedlinks) {
 				//	if (isset($post["url"]))
-				//		$post["url"] = short_link($post["url"]);
+				//		$post["url"] = Network::shortenUrl($post["url"]);
 				//	if (isset($post["image"]))
-				//		$post["image"] = short_link($post["image"]);
+				//		$post["image"] = Network::shortenUrl($post["image"]);
 				//	if (isset($post["preview"]))
-				//		$post["preview"] = short_link($post["preview"]);
+				//		$post["preview"] = Network::shortenUrl($post["preview"]);
 				//}
 
 				// Seems like a bug to me
diff --git a/curweather/curweather.php b/curweather/curweather.php
index 525b03d02..edf96c3eb 100644
--- a/curweather/curweather.php
+++ b/curweather/curweather.php
@@ -9,7 +9,6 @@
  *
  */
 
-require_once 'include/network.php';
 require_once 'mod/proxy.php';
 require_once 'include/text.php';
 
@@ -18,6 +17,7 @@ use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 //  get the weather data from OpenWeatherMap
 function getWeather( $loc, $units='metric', $lang='en', $appid='', $cachetime=0) {
@@ -32,7 +32,7 @@ function getWeather( $loc, $units='metric', $lang='en', $appid='', $cachetime=0)
 	}
     }
     try {
-    	$res = new SimpleXMLElement(fetch_url($url));
+    	$res = new SimpleXMLElement(Network::fetchUrl($url));
     } catch (Exception $e) {
 	info(L10n::t('Error fetching weather data.\nError was: '.$e->getMessage()));
 	return false;
diff --git a/dwpost/dwpost.php b/dwpost/dwpost.php
index c5063baaa..42b1770e5 100644
--- a/dwpost/dwpost.php
+++ b/dwpost/dwpost.php
@@ -10,6 +10,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 function dwpost_install() {
 	Addon::registerHook('post_local',           'addon/dwpost/dwpost.php', 'dwpost_post_local');
@@ -220,10 +221,10 @@ EOT;
 
 		logger('dwpost: data: ' . $xml, LOGGER_DATA);
 
-		if($dw_blog !== 'test')
-			$x = post_url($dw_blog,$xml,["Content-Type: text/xml"]);
+		if($dw_blog !== 'test') {
+			$x = Network::post($dw_blog, $xml, ["Content-Type: text/xml"]);
+		}
 		logger('posted to dreamwidth: ' . ($x) ? $x : '', LOGGER_DEBUG);
-
 	}
 }
 
diff --git a/fortunate/fortunate.php b/fortunate/fortunate.php
index 4d87bffe7..8c15caa6d 100644
--- a/fortunate/fortunate.php
+++ b/fortunate/fortunate.php
@@ -6,31 +6,33 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 use Friendica\Core\Addon;
+use Friendica\Util\Network;
 
 // IMPORTANT: SET THIS to your fortunate server
 
-define ('FORTUNATE_SERVER', 'hostname.com');
+define('FORTUNATE_SERVER', 'hostname.com');
 
-function fortunate_install() {
+function fortunate_install()
+{
 	Addon::registerHook('page_end', 'addon/fortunate/fortunate.php', 'fortunate_fetch');
-	if(FORTUNATE_SERVER == 'hostname.com' && is_site_admin()) {
+	if (FORTUNATE_SERVER == 'hostname.com' && is_site_admin()) {
 		notice('Fortunate addon requires configuration. See README');
 	}
 }
 
-function fortunate_uninstall() {
+function fortunate_uninstall()
+{
 	Addon::unregisterHook('page_end', 'addon/fortunate/fortunate.php', 'fortunate_fetch');
 }
 
 
-function fortunate_fetch(&$a,&$b) {
-
+function fortunate_fetch(&$a, &$b)
+{
 	$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' 
 		. $a->get_baseurl() . '/addon/fortunate/fortunate.css' . '" media="all" />' . "\r\n";
 
-	if(FORTUNATE_SERVER != 'hostname.com') {
-		$s = fetch_url('http://' . FORTUNATE_SERVER . '/cookie.php?numlines=2&equal=1&rand=' . mt_rand());
+	if (FORTUNATE_SERVER != 'hostname.com') {
+		$s = Network::fetchUrl('http://' . FORTUNATE_SERVER . '/cookie.php?numlines=2&equal=1&rand=' . mt_rand());
 		$b .= '<div class="fortunate">' . $s . '</div>';
 	}
 }
-
diff --git a/fromgplus/fromgplus.php b/fromgplus/fromgplus.php
index 94ff98340..0a2b68022 100644
--- a/fromgplus/fromgplus.php
+++ b/fromgplus/fromgplus.php
@@ -14,6 +14,7 @@ use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Object\Image;
+use Friendica\Util\Network;
 
 require_once 'mod/share.php';
 require_once 'mod/parse_url.php';
@@ -313,8 +314,7 @@ function fromgplus_cleantext($text) {
 }
 
 function fromgplus_handleattachments($a, $uid, $item, $displaytext, $shared) {
-	require_once("include/items.php");
-	require_once("include/network.php");
+	require_once 'include/items.php';
 
 	$post = "";
 	$quote = "";
@@ -325,13 +325,13 @@ function fromgplus_handleattachments($a, $uid, $item, $displaytext, $shared) {
 		switch($attachment->objectType) {
 			case "video":
 				$pagedata["type"] = "video";
-				$pagedata["url"] = original_url($attachment->url);
+				$pagedata["url"] = Network::finalUrl($attachment->url);
 				$pagedata["title"] = fromgplus_html2bbcode($attachment->displayName);
 				break;
 
 			case "article":
 				$pagedata["type"] = "link";
-				$pagedata["url"] = original_url($attachment->url);
+				$pagedata["url"] = Network::finalUrl($attachment->url);
 				$pagedata["title"] = fromgplus_html2bbcode($attachment->displayName);
 
 				$images = fromgplus_cleanupgoogleproxy($attachment->fullImage, $attachment->image);
@@ -382,7 +382,7 @@ function fromgplus_handleattachments($a, $uid, $item, $displaytext, $shared) {
 				break;
 
 			case "photo-album":
-				$pagedata["url"] = original_url($attachment->url);
+				$pagedata["url"] = Network::finalUrl($attachment->url);
 				$pagedata["title"] = fromgplus_html2bbcode($attachment->displayName);
 				$post .= "\n\n[bookmark=".$pagedata["url"]."]".$pagedata["title"]."[/bookmark]\n";
 
@@ -403,7 +403,7 @@ function fromgplus_handleattachments($a, $uid, $item, $displaytext, $shared) {
 
 			case "album":
 				$pagedata["type"] = "link";
-				$pagedata["url"] = original_url($attachment->url);
+				$pagedata["url"] = Network::finalUrl($attachment->url);
 				$pagedata["title"] = fromgplus_html2bbcode($attachment->displayName);
 
 				$thumb = $attachment->thumbnails[0];
@@ -416,7 +416,7 @@ function fromgplus_handleattachments($a, $uid, $item, $displaytext, $shared) {
 				break;
 
 			case "audio":
-				$pagedata["url"] = original_url($attachment->url);
+				$pagedata["url"] = Network::finalUrl($attachment->url);
 				$pagedata["title"] = fromgplus_html2bbcode($attachment->displayName);
 				$post .= "\n\n[bookmark=".$pagedata["url"]."]".$pagedata["title"]."[/bookmark]\n";
 				break;
@@ -441,7 +441,7 @@ function fromgplus_fetch($a, $uid) {
 	$account = PConfig::get($uid,'fromgplus','account');
 	$key = Config::get('fromgplus','key');
 
-	$result = fetch_url("https://www.googleapis.com/plus/v1/people/".$account."/activities/public?alt=json&pp=1&key=".$key."&maxResults=".$maxfetch);
+	$result = Network::fetchUrl("https://www.googleapis.com/plus/v1/people/".$account."/activities/public?alt=json&pp=1&key=".$key."&maxResults=".$maxfetch);
 	//$result = file_get_contents("google.txt");
 	//file_put_contents("google.txt", $result);
 
diff --git a/geocoordinates/geocoordinates.php b/geocoordinates/geocoordinates.php
index c96f40e00..89ccd8839 100644
--- a/geocoordinates/geocoordinates.php
+++ b/geocoordinates/geocoordinates.php
@@ -9,6 +9,7 @@ use Friendica\Core\Addon;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
+use Friendica\Util\Network;
 
 function geocoordinates_install()
 {
@@ -50,7 +51,7 @@ function geocoordinates_resolve_item(&$item)
 		return;
 	}
 
-	$s = fetch_url("https://api.opencagedata.com/geocode/v1/json?q=".$coords[0].",".$coords[1]."&key=".$key."&language=".$language);
+	$s = Network::fetchUrl("https://api.opencagedata.com/geocode/v1/json?q=".$coords[0].",".$coords[1]."&key=".$key."&language=".$language);
 
 	if (!$s) {
 		logger("API could not be queried", LOGGER_DEBUG);
diff --git a/geonames/geonames.php b/geonames/geonames.php
index eb5a0c872..79e268e6e 100644
--- a/geonames/geonames.php
+++ b/geonames/geonames.php
@@ -23,6 +23,8 @@ use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
+use Friendica\Util\XML;
 
 function geonames_install() {
 
@@ -111,12 +113,12 @@ function geonames_post_hook($a, &$item) {
 	 *
 	 */
 
-	$s = fetch_url('http://api.geonames.org/findNearbyPlaceName?lat=' . $coords[0] . '&lng=' . $coords[1] . '&username=' . $geo_account);
+	$s = Network::fetchUrl('http://api.geonames.org/findNearbyPlaceName?lat=' . $coords[0] . '&lng=' . $coords[1] . '&username=' . $geo_account);
 
 	if(! $s)
 		return;
 
-	$xml = parse_xml_string($s);
+	$xml = XML::parseString($s);
 
 	if($xml->geoname->name && $xml->geoname->countryName)
 		$item['location'] = $xml->geoname->name . ', ' . $xml->geoname->countryName;
diff --git a/ijpost/ijpost.php b/ijpost/ijpost.php
index c094eee96..9d9f91120 100644
--- a/ijpost/ijpost.php
+++ b/ijpost/ijpost.php
@@ -10,6 +10,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 function ijpost_install() {
     Addon::registerHook('post_local',           'addon/ijpost/ijpost.php', 'ijpost_post_local');
@@ -219,8 +220,9 @@ EOT;
 
 		logger('ijpost: data: ' . $xml, LOGGER_DATA);
 
-		if($ij_blog !== 'test')
-			$x = post_url($ij_blog,$xml,["Content-Type: text/xml"]);
+		if($ij_blog !== 'test') {
+			$x = Network::post($ij_blog, $xml, ["Content-Type: text/xml"]);
+		}
 		logger('posted to insanejournal: ' . ($x) ? $x : '', LOGGER_DEBUG);
 
 	}
diff --git a/jappixmini/jappixmini.php b/jappixmini/jappixmini.php
index 8b58ecb39..23f99f17a 100644
--- a/jappixmini/jappixmini.php
+++ b/jappixmini/jappixmini.php
@@ -68,6 +68,7 @@ use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Model\User;
+use Friendica\Util\Network;
 
 function jappixmini_install()
 {
@@ -658,7 +659,7 @@ function jappixmini_cron(App $a, $d)
 
 			try {
 				// send request
-				$answer_json = fetch_url($url);
+				$answer_json = Network::fetchUrl($url);
 
 				// parse answer
 				$answer = json_decode($answer_json);
diff --git a/leistungsschutzrecht/leistungsschutzrecht.php b/leistungsschutzrecht/leistungsschutzrecht.php
index f5cee1170..04d3e556d 100644
--- a/leistungsschutzrecht/leistungsschutzrecht.php
+++ b/leistungsschutzrecht/leistungsschutzrecht.php
@@ -7,6 +7,7 @@
  */
 use Friendica\Core\Addon;
 use Friendica\Core\Config;
+use Friendica\Util\Network;
 
 function leistungsschutzrecht_install() {
 	Addon::registerHook('cron', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_cron');
@@ -65,18 +66,17 @@ function leistungsschutzrecht_cuttext($text) {
 	return $text;
 }
 
-function leistungsschutzrecht_fetchsites() {
-	require_once("include/network.php");
-
+function leistungsschutzrecht_fetchsites()
+{
 	// This list works - but question is how current it is
 	$url = "http://leistungsschutzrecht-stoppen.d-64.org/blacklist.txt";
-	$sitelist = fetch_url($url);
+	$sitelist = Network::fetchUrl($url);
 	$siteurls = explode(',', $sitelist);
 
 	$whitelist = ['tagesschau.de', 'heute.de', 'wdr.de'];
 
 	$sites = [];
-	foreach ($siteurls AS $site) {
+	foreach ($siteurls as $site) {
 		if (!in_array($site, $whitelist)) {
 			$sites[$site] = $site;
 		}
@@ -89,7 +89,7 @@ function leistungsschutzrecht_fetchsites() {
 
 	$url = "http://www.vg-media.de/lizenzen/digitale-verlegerische-angebote/wahrnehmungsberechtigte-digitale-verlegerische-angebote.html";
 
-	$site = fetch_url($url);
+	$site = Network::fetchUrl($url);
 
 	$doc = new DOMDocument();
 	@$doc->loadHTML($site);
diff --git a/libertree/libertree.php b/libertree/libertree.php
index b1b754615..b48c9b188 100644
--- a/libertree/libertree.php
+++ b/libertree/libertree.php
@@ -8,6 +8,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 function libertree_install() {
     Addon::registerHook('post_local',           'addon/libertree/libertree.php', 'libertree_post_local');
@@ -229,9 +230,7 @@ function libertree_send(&$a,&$b) {
 		//	'token' => $ltree_api_token
 		];
 
-		$result = post_url($ltree_blog,$params);
+		$result = Network::post($ltree_blog, $params);
 		logger('libertree: ' . $result);
-
 	}
 }
-
diff --git a/ljpost/ljpost.php b/ljpost/ljpost.php
index a8c40a75c..981162e8e 100644
--- a/ljpost/ljpost.php
+++ b/ljpost/ljpost.php
@@ -10,6 +10,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
+use Friendica\Util\Network;
 
 function ljpost_install() {
     Addon::registerHook('post_local',           'addon/ljpost/ljpost.php', 'ljpost_post_local');
@@ -233,10 +234,10 @@ EOT;
 
 		logger('ljpost: data: ' . $xml, LOGGER_DATA);
 
-		if($lj_blog !== 'test')
-			$x = post_url($lj_blog,$xml,["Content-Type: text/xml"]);
+		if ($lj_blog !== 'test') {
+			$x = Network::post($lj_blog, $xml, ["Content-Type: text/xml"]);
+		}
 		logger('posted to livejournal: ' . ($x) ? $x : '', LOGGER_DEBUG);
-
 	}
 }
 
diff --git a/mailstream/mailstream.php b/mailstream/mailstream.php
index 18d0420d2..4ff4c69d7 100644
--- a/mailstream/mailstream.php
+++ b/mailstream/mailstream.php
@@ -10,6 +10,7 @@ use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
+use Friendica\Util\Network;
 
 function mailstream_install() {
 	Addon::registerHook('addon_settings', 'addon/mailstream/mailstream.php', 'mailstream_addon_settings');
@@ -155,7 +156,7 @@ function mailstream_do_images($a, &$item, &$attachments) {
 		$redirects;
 		$cookiejar = tempnam(get_temppath(), 'cookiejar-mailstream-');
 		$attachments[$url] = [
-			'data' => fetch_url($url, true, $redirects, 0, Null, $cookiejar),
+			'data' => Network::fetchUrl($url, true, $redirects, 0, null, $cookiejar),
 			'guid' => hash("crc32", $url),
 			'filename' => basename($url),
 			'type' => $a->get_curl_content_type()];
diff --git a/openstreetmap/openstreetmap.php b/openstreetmap/openstreetmap.php
index 930f1a4ac..1a4a55714 100644
--- a/openstreetmap/openstreetmap.php
+++ b/openstreetmap/openstreetmap.php
@@ -12,6 +12,7 @@ use Friendica\Core\Addon;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
+use Friendica\Util\Network;
 
 function openstreetmap_install()
 {
@@ -115,7 +116,7 @@ function openstreetmap_generate_named_map(&$a, &$b)
 		$nomserver = 'http://nominatim.openstreetmap.org/search.php';
 	$args = '?q=' . urlencode($b['location']) . '&format=json';
 
-	$x = z_fetch_url($nomserver . $args);
+	$x = Network::curl($nomserver . $args);
 	if($x['success']) {
 		$j = json_decode($x['body'],true);
 
diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index a9c7084dc..6a7429ffb 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -16,6 +16,7 @@ use Friendica\Model\Group;
 use Friendica\Model\User;
 use Friendica\Model\Item;
 use Friendica\Model\Queue;
+use Friendica\Util\Network;
 
 require 'addon/pumpio/oauth/http.php';
 require 'addon/pumpio/oauth/oauth_client.php';
@@ -1698,7 +1699,7 @@ function pumpio_fetchallcomments(&$a, $uid, $id) {
 
 
 function pumpio_reachable($url) {
-	$data = z_fetch_url($url, false, $redirects, ['timeout'=>10]);
+	$data = Network::curl($url, false, $redirects, ['timeout'=>10]);
 	return(intval($data['return_code']) != 0);
 }
 
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index d74fd3134..eae1c1e4c 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -57,6 +57,7 @@ use Friendica\Model\GContact;
 use Friendica\Model\Group;
 use Friendica\Model\Photo;
 use Friendica\Model\User;
+use Friendica\Util\Network;
 
 class StatusNetOAuth extends TwitterOAuth
 {
@@ -234,7 +235,7 @@ function statusnet_settings_post(App $a, $post)
 			foreach ($globalsn as $asn) {
 				if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl']) {
 					$apibase = $asn['apiurl'];
-					$c = fetch_url($apibase . 'statusnet/version.xml');
+					$c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 					if (strlen($c) > 0) {
 						PConfig::set(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey']);
 						PConfig::set(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret']);
@@ -252,7 +253,7 @@ function statusnet_settings_post(App $a, $post)
 				//  we'll check the API Version for that, if we don't get one we'll try to fix the path but will
 				//  resign quickly after this one try to fix the path ;-)
 				$apibase = $_POST['statusnet-baseapi'];
-				$c = fetch_url($apibase . 'statusnet/version.xml');
+				$c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 				if (strlen($c) > 0) {
 					//  ok the API path is correct, let's save the settings
 					PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
@@ -262,7 +263,7 @@ function statusnet_settings_post(App $a, $post)
 				} else {
 					//  the API path is not correct, maybe missing trailing / ?
 					$apibase = $apibase . '/';
-					$c = fetch_url($apibase . 'statusnet/version.xml');
+					$c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 					if (strlen($c) > 0) {
 						//  ok the API path is now correct, let's save the settings
 						PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
@@ -641,7 +642,6 @@ function statusnet_post_hook(App $a, &$b)
 		PConfig::set($b['uid'], 'statusnet', 'max_char', $max_char);
 
 		$tempfile = "";
-		require_once "include/network.php";
 		$msgarr = BBCode::toPlaintext($b, $max_char, true, 7);
 		$msg = $msgarr["text"];
 
@@ -653,7 +653,7 @@ function statusnet_post_hook(App $a, &$b)
 		if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 			if ((strlen($msgarr["url"]) > 20) &&
 				((strlen($msg . " \n" . $msgarr["url"]) > $max_char))) {
-				$msg .= " \n" . short_link($msgarr["url"]);
+				$msg .= " \n" . Network::shortenUrl($msgarr["url"]);
 			} else {
 				$msg .= " \n" . $msgarr["url"];
 			}
@@ -662,7 +662,7 @@ function statusnet_post_hook(App $a, &$b)
 		}
 
 		if ($image != "") {
-			$img_str = fetch_url($image);
+			$img_str = Network::fetchUrl($image);
 			$tempfile = tempnam(get_temppath(), "cache");
 			file_put_contents($tempfile, $img_str);
 			$postdata = ["status" => $msg, "media[]" => $tempfile];
@@ -1613,7 +1613,7 @@ function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nic
 	if (is_array($items)) {
 		$posts = array_reverse($items);
 
-		foreach ($posts AS $post) {
+		foreach ($posts as $post) {
 			$postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
 
 			if (trim($postarray['body']) == "") {
@@ -1635,7 +1635,6 @@ function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nic
 function statusnet_convertmsg(App $a, $body, $no_tags = false)
 {
 	require_once "include/items.php";
-	require_once "include/network.php";
 
 	$body = preg_replace("=\[url\=https?://([0-9]*).([0-9]*).([0-9]*).([0-9]*)/([0-9]*)\](.*?)\[\/url\]=ism", "$1.$2.$3.$4/$5", $body);
 
@@ -1653,7 +1652,7 @@ function statusnet_convertmsg(App $a, $body, $no_tags = false)
 
 			logger("statusnet_convertmsg: expanding url " . $match[1], LOGGER_DEBUG);
 
-			$expanded_url = original_url($match[1]);
+			$expanded_url = Network::finalUrl($match[1]);
 
 			logger("statusnet_convertmsg: fetching data for " . $expanded_url, LOGGER_DEBUG);
 
@@ -1677,7 +1676,7 @@ function statusnet_convertmsg(App $a, $body, $no_tags = false)
 			} elseif ($oembed_data->type != "link") {
 				$body = str_replace($search, "[url=" . $expanded_url . "]" . $expanded_url . "[/url]", $body);
 			} else {
-				$img_str = fetch_url($expanded_url, true, $redirects, 4);
+				$img_str = Network::fetchUrl($expanded_url, true, $redirects, 4);
 
 				$tempfile = tempnam(get_temppath(), "cache");
 				file_put_contents($tempfile, $img_str);
diff --git a/twitter/twitter.php b/twitter/twitter.php
index 6402b82d2..5168aa0ec 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -74,6 +74,7 @@ use Friendica\Model\Photo;
 use Friendica\Model\Queue;
 use Friendica\Model\User;
 use Friendica\Object\Image;
+use Friendica\Util\Network;
 
 require_once 'include/enotify.php';
 
@@ -424,8 +425,6 @@ function twitter_action(App $a, $uid, $pid, $action)
 function twitter_post_hook(App $a, &$b)
 {
 	// Post to Twitter
-	require_once "include/network.php";
-
 	if (!PConfig::get($b["uid"], 'twitter', 'import')
 		&& ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))) {
 		return;
@@ -545,7 +544,7 @@ function twitter_post_hook(App $a, &$b)
 
 		// and now tweet it :-)
 		if (strlen($msg) && ($image != "")) {
-			$img_str = fetch_url($image);
+			$img_str = Network::fetchUrl($image);
 
 			$tempfile = tempnam(get_temppath(), "cache");
 			file_put_contents($tempfile, $img_str);
@@ -1172,8 +1171,6 @@ function twitter_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
 
 function twitter_expand_entities(App $a, $body, $item, $no_tags = false, $picture)
 {
-	require_once "include/network.php";
-
 	$tags = "";
 
 	$plain = $body;
@@ -1184,11 +1181,11 @@ function twitter_expand_entities(App $a, $body, $item, $no_tags = false, $pictur
 		$footerlink = "";
 		$footer = "";
 
-		foreach ($item->entities->urls AS $url) {
+		foreach ($item->entities->urls as $url) {
 			$plain = str_replace($url->url, '', $plain);
 
 			if ($url->url && $url->expanded_url && $url->display_url) {
-				$expanded_url = original_url($url->expanded_url);
+				$expanded_url = Network::finalUrl($url->expanded_url);
 
 				$oembed_data = OEmbed::fetchURL($expanded_url);
 
@@ -1217,7 +1214,7 @@ function twitter_expand_entities(App $a, $body, $item, $no_tags = false, $pictur
 				} elseif ($oembed_data->type != "link") {
 					$body = str_replace($url->url, "[url=" . $expanded_url . "]" . $expanded_url . "[/url]", $body);
 				} else {
-					$img_str = fetch_url($expanded_url, true, $redirects, 4);
+					$img_str = Network::fetchUrl($expanded_url, true, $redirects, 4);
 
 					$tempfile = tempnam(get_temppath(), "cache");
 					file_put_contents($tempfile, $img_str);
diff --git a/wppost/wppost.php b/wppost/wppost.php
index f2f9b9357..85b73d3f0 100644
--- a/wppost/wppost.php
+++ b/wppost/wppost.php
@@ -313,10 +313,9 @@ EOT;
 
 		logger('wppost: data: ' . $xml, LOGGER_DATA);
 
-		if($wp_blog !== 'test') {
-			$x = post_url($wp_blog,$xml);
+		if ($wp_blog !== 'test') {
+			$x = Network::post($wp_blog, $xml);
 		}
 		logger('posted to wordpress: ' . (($x) ? $x : ''), LOGGER_DEBUG);
-
 	}
 }