update PHPUnit readme

msautotest/php/README.md

@@ -1,20 +1,20 @@
 # PHPNG MapScript Unit Tests
 
 To run these tests you need PHPUnit (and PHP's Xdebug extension) installed. 
-You can find how to install PHPUnit at https://phpunit.readthedocs.io .  
+You can find how to install PHPUnit at https://docs.phpunit.de .  
 The official PHPUnit site is: https://phpunit.de
 
 # Running the tests
 
-To run the tests simply run `phpunit --debug .` from inside the `/msautotest/php/`
+To run the tests simply run `phpunit .` from inside the `/msautotest/php/`
 folder.
 
-You can run a single test such as: `phpunit --debug classObjTest.php`
+You can run a single test such as: `phpunit classObjTest.php`
 
 # Configuring the test environment
 
 This folder includes a `phpunit.xml` configuration file for these tests.  More 
-info about these settings: https://phpunit.readthedocs.io/en/9.5/configuration.html
+info about these settings: https://docs.phpunit.de/en/10.1/configuration.html
 
 # PHPNG (SWIG) MapScript API documentation