diff --git a/admin/include/functions.php b/admin/include/functions.php
index ea147b0e5..923a7c221 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -675,7 +675,7 @@ SELECT id, id_uppercat, uppercats, rank, global_rank
 
   $datas = array();
 
-	$cat_map_callback = function($m) use ($cat_map) {  return $cat_map[$m[1]]["rank"]; };
+  $cat_map_callback = function($m) use ($cat_map) {  return $cat_map[$m[1]]["rank"]; };
 
   foreach( $cat_map as $id=>$cat )
   {
@@ -1051,7 +1051,7 @@ SELECT id, uppercats, site_id
   $categories = query2array($query);
 
   // filling $cat_fulldirs
-	$cat_dirs_callback = function($m) use ($cat_dirs) { return $cat_dirs[$m[1]]; };
+  $cat_dirs_callback = function($m) use ($cat_dirs) { return $cat_dirs[$m[1]]; };
 
   $cat_fulldirs = array();
   foreach ($categories as $category)
diff --git a/include/functions.inc.php b/include/functions.inc.php
index 8048f6f85..9bcc12040 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -1404,8 +1404,8 @@ function prepend_append_array_items($array, $prepend_str, $append_str)
     create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";')
     );
  */
-	//New PHP 7.2 code
-	array_walk($array, function(&$value, $key) use($prepend_str,$append_str) { $value = "$prepend_str$value$append_str"; } );
+  //New PHP 7.2 code
+  array_walk($array, function(&$value, $key) use($prepend_str,$append_str) { $value = "$prepend_str$value$append_str"; } );
   return $array;
 }
 
diff --git a/include/ws_core.inc.php b/include/ws_core.inc.php
index e38d4bc55..66c21ff6b 100644
--- a/include/ws_core.inc.php
+++ b/include/ws_core.inc.php
@@ -617,7 +617,7 @@ Request format: ".@$this->_requestFormat." Response format: ".@$this->_responseF
   static function ws_getMethodList($params, &$service)
   {
     $methods = array_filter($service->_methods,
-            function($m) { return empty($m["options"]["hidden"]) || !$m["options"]["hidden"];} );
+      function($m) { return empty($m["options"]["hidden"]) || !$m["options"]["hidden"];} );
     return array('methods' => new PwgNamedArray( array_keys($methods),'method' ) );
   }