Fix some more PHP 7.2 warnings

Remove some calls to deprecated each()

api/src/Contacts.php

@@ -1337,7 +1337,8 @@ class Contacts extends Contacts\Storage
 			if (!in_array($name,$this->org_fields)) continue;
 
 			arsort($values,SORT_NUMERIC);
-			list($value,$num) = each($values);
+			$value = key($values);
+			$num = current($values);
 			if ($value && $num / (double) count($contacts) >= $this->org_common_factor)
 			{
 				if (!in_array($name,$csvs))

api/src/Db/Schema.php

@@ -1077,7 +1077,7 @@ class Schema
 						break;
 					case 'array':
 					case 'object':
-						list(,$content) = @each($param);
+						$content = @current($param);
 						$do_pre = is_array($param) ? count($param) > 6 || is_array($content)&&count($content) : True;
 						$param = ($do_pre ? '<pre>' : '').print_r($param,True).($do_pre ? '</pre>' : '');
 						break;

api/src/Etemplate/Widget/Nextmatch.php

@@ -310,7 +310,7 @@ class Nextmatch extends Etemplate\Widget
 				$filters = $valid_filters[$form_name];
 			}
 			// Avoid empty arrays, they cause problems with db filtering
-			foreach((array)$filters['col_filter'] as $col => &$val)
+			foreach((array)$filters['col_filter'] as $col => $val)
 			{
 				if(is_array($val) && count($val) == 0)
 				{

api/src/Etemplate/Widget/Vfs.php

@@ -432,7 +432,7 @@ class Vfs extends File
 			if (isset($params['mime']))
 			{
 				$content['showmime'] = true;
-				list($content['mime']) = each($sel_options['mime']);
+				$content['mime'] = key($sel_options['mime']);
 			}
 		}
 		elseif(isset($content['action']))

api/src/Framework.php

@@ -779,7 +779,7 @@ abstract class Framework extends Framework\Extra
 	 */
 	protected static function _get_navbar_apps($svg=false)
 	{
-		list($first) = each($GLOBALS['egw_info']['user']['apps']);
+		$first = key($GLOBALS['egw_info']['user']['apps']);
 		if(is_array($GLOBALS['egw_info']['user']['apps']['admin']) && $first != 'admin')
 		{
 			$newarray['admin'] = $GLOBALS['egw_info']['user']['apps']['admin'];

api/src/Framework/Login.php

@@ -119,7 +119,7 @@ class Login
 			if($last_loginid !== '')
 			{
 				reset($GLOBALS['egw_domain']);
-				list($default_domain) = each($GLOBALS['egw_domain']);
+				$default_domain = key($GLOBALS['egw_domain']);
 
 				if(!empty ($last_domain) && $last_domain != $default_domain)
 				{

api/src/Html.php

@@ -1297,7 +1297,7 @@ tinymce.init({
 					$image1 = $image2 = $image3 = "'".$_leafImage."'";
 					if (($next_item = array_slice($_folders, $n+1, 1, true)))
 					{
-						list($next_path) = each($next_item);
+						$next_path = key($next_item);
 						if (substr($next_path,0,strlen($path)+1) == $path.'/')
 						{
 							$image1 = $image2 = $image3 = '0';

api/src/Link.php

@@ -364,7 +364,7 @@ class Link extends Link\Storage
 		{
 			reset($app2);
 			$link_id = True;
-			while ($link_id && list(,$link) = each($app2))
+			while ($link_id && $link = current($app2))
 			{
 				if (!is_array($link))	// check for unlink-marker
 				{
@@ -401,6 +401,7 @@ class Link extends Link\Storage
 						if (!($no_notify&1)) self::notify('link',$app1,$id1,$link['app'],$link['id'],$link_id);
 						break;
 				}
+				next($app2);
 			}
 			return $link_id;
 		}

api/src/Session.php

@@ -1396,7 +1396,7 @@ class Session
 					else
 					{
 						reset($domains);
-						list($default_domain) = each($domains);
+						$default_domain = key($domains);
 					}
 					unset($domain_part);
 				}