Mark the old SP interfaces in www/ as deprecated.

www/saml2/sp/AssertionConsumerService.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 /**
@@ -14,6 +22,8 @@ require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 
+SimpleSAML_Logger::warning('The file saml2/sp/AssertionConsumerService.php is deprecated and will be removed in future versions.');
+
 /* Get the session object for the user. Create a new session if no session
  * exists for this user.
  */

www/saml2/sp/SingleLogoutService.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file saml2/sp/SingleLogoutService.php is deprecated and will be removed in future versions.');
+
 // Get the local session
 $session = SimpleSAML_Session::getInstance();
 

www/saml2/sp/idpdisco.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
+SimpleSAML_Logger::warning('The file saml2/sp/idpdisco.php is deprecated and will be removed in future versions.');
+
 try {
 	$discoHandler = new SimpleSAML_XHTML_IdPDisco(array('saml20-idp-remote'), 'saml20');
 } catch (Exception $exception) {

www/saml2/sp/initSLO.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 
 $session = SimpleSAML_Session::getInstance();
 
+SimpleSAML_Logger::warning('The file saml2/sp/initSLO.php is deprecated and will be removed in future versions.');
+
 SimpleSAML_Logger::info('SAML2.0 - SP.initSLO: Accessing SAML 2.0 SP initSLO script');
 
 if (!$config->getBoolean('enable.saml20-sp', TRUE))

www/saml2/sp/initSSO.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 $session = SimpleSAML_Session::getInstance();
 
+SimpleSAML_Logger::warning('The file saml2/sp/initSSO.php is deprecated and will be removed in future versions.');
 
 SimpleSAML_Logger::info('SAML2.0 - SP.initSSO: Accessing SAML 2.0 SP initSSO script');
 

www/saml2/sp/metadata.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 /* Load simpleSAMLphp, configuration and metadata */
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file saml2/sp/metadata.php is deprecated and will be removed in future versions.');
+
 
 if (!$config->getValue('enable.saml20-sp', TRUE))
 	throw new SimpleSAML_Error_Error('NOACCESS');

www/shib13/sp/AssertionConsumerService.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 
+SimpleSAML_Logger::warning('The file shib13/sp/AssertionConsumerService.php is deprecated and will be removed in future versions.');
+
 $session = SimpleSAML_Session::getInstance();
 
 

www/shib13/sp/idpdisco.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
+SimpleSAML_Logger::warning('The file shib13/sp/idpdisco.php is deprecated and will be removed in future versions.');
+
 try {
 	$discoHandler = new SimpleSAML_XHTML_IdPDisco(array('shib13-idp-remote'), 'shib13');
 } catch (Exception $exception) {

www/shib13/sp/initSSO.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file shib13/sp/initSSO.php is deprecated and will be removed in future versions.');
 
 $session = SimpleSAML_Session::getInstance();
 		

www/shib13/sp/metadata.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 /* Load simpleSAMLphp, configuration and metadata */
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file shib13/sp/metadata.php is deprecated and will be removed in future versions.');
 
 if (!$config->getBoolean('enable.shib13-sp', false))
 	throw new SimpleSAML_Error_Error('NOACCESS');

www/wsfed/sp/idpdisco.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
+SimpleSAML_Logger::warning('The file wsfed/sp/idpdisco.php is deprecated and will be removed in future versions.');
+
 try {
 	$discoHandler = new SimpleSAML_XHTML_IdPDisco(array('wsfed-idp-remote'), 'wsfed');
 } catch (Exception $exception) {

www/wsfed/sp/initSLO.php

 <?php
 
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 require_once('../../_include.php');
 
 $config = SimpleSAML_Configuration::getInstance();
 
+SimpleSAML_Logger::warning('The file wsfed/sp/initSLO.php is deprecated and will be removed in future versions.');
+
 $session = SimpleSAML_Session::getInstance();
 
 SimpleSAML_Logger::info('WS-Fed - SP.initSLO: Accessing WS-Fed SP initSLO script');

www/wsfed/sp/initSSO.php

 <?php
+
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 /**
  * WS-Federation/ADFS PRP protocol support for simpleSAMLphp.
  *
@@ -16,6 +25,8 @@ require_once('../../_include.php');
 $config = SimpleSAML_Configuration::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file wsfed/sp/initSSO.php is deprecated and will be removed in future versions.');
+
 SimpleSAML_Logger::info('WS-Fed - SP.initSSO: Accessing WS-Fed SP initSSO script');
 
 if (!$config->getBoolean('enable.wsfed-sp', false))

www/wsfed/sp/prp.php

 <?php
+
+/**
+ * WARNING:
+ *
+ * THIS FILE IS DEPRECATED AND WILL BE REMOVED IN FUTURE VERSIONS
+ *
+ * @deprecated
+ */
+
 /**
  * WS-Federation/ADFS PRP protocol support for simpleSAMLphp.
  *
@@ -18,6 +27,8 @@ $config = SimpleSAML_Configuration::getInstance();
 $session = SimpleSAML_Session::getInstance();
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 
+SimpleSAML_Logger::warning('The file wsfed/sp/prp.php is deprecated and will be removed in future versions.');
+
 SimpleSAML_Logger::info('WS-Fed - SP.AssertionConsumerService: Accessing WS-Fed SP endpoint AssertionConsumerService');
 
 if (!$config->getBoolean('enable.wsfed-sp', false))