From 7a7c3015b0dea4c78fb4496a21558cc262a01c13 Mon Sep 17 00:00:00 2001
From: Henry Schorradt <h.schorradt@kaphingst.de>
Date: Fri, 21 Apr 2017 09:45:23 +0200
Subject: [PATCH] Some fixes for PHP7 environment

---
 MF_thumb.php           |  2 +-
 admin/mf_ajax_call.php |  2 +-
 mf_front_end.php       | 15 +++++++++++++--
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/MF_thumb.php b/MF_thumb.php
index 705e476..8b233cc 100644
--- a/MF_thumb.php
+++ b/MF_thumb.php
@@ -11,7 +11,7 @@
 */
 class mfthumb{
 
-	function mfthumb(){
+	function __construct(){
 		require_once(ABSPATH."/wp-admin/includes/image.php");
 		require_once(ABSPATH."/wp-includes/media.php");
 	}
diff --git a/admin/mf_ajax_call.php b/admin/mf_ajax_call.php
index a507bd7..e0e181d 100644
--- a/admin/mf_ajax_call.php
+++ b/admin/mf_ajax_call.php
@@ -28,7 +28,7 @@ public function resolve($data){
   public function mf_sort_field($data){
     if ( !empty( $data['order'] ) && !empty( $data['group_id'] ) ) {
       $order = $data['order'];
-      $order = split(',',$order);
+      $order = explode(',',$order);
       array_walk( $order, create_function( '&$v,$k', '$v =  str_replace("order_","",$v);' ));
 
       if( $thing =  mf_custom_fields::save_order_field( $data['group_id'], $order ) ) {
diff --git a/mf_front_end.php b/mf_front_end.php
index 0be5de0..4a12a64 100644
--- a/mf_front_end.php
+++ b/mf_front_end.php
@@ -254,7 +254,18 @@ function get_label($field_name,$post_id=NULL){
  */
 function create_image($options){
   global $post,$mf_domain;
-	
+
+  //correct init
+    $field_name = '';
+    $group_index = 1;
+    $field_index = 1;
+    $param = NULL;
+    $attr = NULL;
+    $post_id = NULL;
+    $tag_img = true;
+    $wp_size = 'original';
+
+
   // establish the default values, then override them with 
   // whatever the user has passed in
   $options = array_merge(
@@ -456,7 +467,7 @@ function _processed_value($value, $type, $options = array(), $image_array = 0 ){
     $options= unserialize( $options );
   }
 
-  $result = '';
+  $result = array();
   switch($type){
     case 'audio':
     case 'file':