bug #385 compatibility with PHP7

* replace old-style constructor with PHP5-style constructor (__construct)
* do not call set_magic_quotes_runtime() any longer
* avoid automatic conversion from array to string

include/common.inc.php

@@ -26,7 +26,7 @@ defined('PHPWG_ROOT_PATH') or trigger_error('Hacking attempt!', E_USER_ERROR);
 // determine the initial instant to indicate the generation time of this page
 $t2 = microtime(true);
 
-@set_magic_quotes_runtime(0); // Disable magic_quotes_runtime
+// @set_magic_quotes_runtime(0); // Disable magic_quotes_runtime
 
 //
 // addslashes to vars if magic_quotes_gpc is off this is a security

include/ws_core.inc.php

@@ -56,7 +56,7 @@ class PwgError
   private $_code;
   private $_codeText;
 
-  function PwgError($code, $codeText)
+  function __construct($code, $codeText)
   {
     if ($code>=400 and $code<600)
     {
@@ -89,7 +89,7 @@ class PwgNamedArray
    * @param xmlAttributes array of sub-item attributes that will be encoded as
    *      xml attributes instead of xml child elements
    */
-  function PwgNamedArray($arr, $itemName, $xmlAttributes=array() )
+  function __construct($arr, $itemName, $xmlAttributes=array() )
   {
     $this->_content = $arr;
     $this->_itemName = $itemName;
@@ -115,7 +115,7 @@ class PwgNamedStruct
    *    encoded as xml attributes (if null - automatically prefer xml attributes
    *    whenever possible)
    */
-  function PwgNamedStruct($content, $xmlAttributes=null, $xmlElements=null )
+  function __construct($content, $xmlAttributes=null, $xmlElements=null )
   {
     $this->_content = $content;
     if ( isset($xmlAttributes) )
@@ -236,7 +236,7 @@ class PwgServer
 
   var $_methods = array();
 
-  function PwgServer()
+  function __construct()
   {
   }
 
@@ -688,4 +688,4 @@ Request format: ".@$this->_requestFormat." Response format: ".@$this->_responseF
     return $res;
   }
 }
-?>
+?>