Update docs for phpunit 11

README.md

@@ -19,24 +19,24 @@ Allows sending mails to a configured and given mail address.
 ## PHP project init
 ### PHP
 
-Project requires at least PHP 7.3 in order to run with PHPUnit 9.x.
+Project requires at least PHP 8.3 in order to run with PHPUnit 11.x.
 
 #### Ubuntu
 Depending on your installation you may need to install a more recent PHP version,
 as I had to do on Ubuntu 18.0.4 LTS:
 https://tecadmin.net/install-php-7-on-ubuntu/
 
-* Upgrade to PHP 7.4
+* Upgrade to PHP 8.3
 ```
-sudo apt-get install -y php7.4
+sudo apt-get install -y php8.3
 ```
 * Additional modules:
 ```
-sudo apt-get install -y php7.4-xml php7.4-mbstring php7.4-mysql php7.4-intl php7.4-sqlite3 php-xdebug sqlite3
+sudo apt-get install -y php-curl php-xml php-mbstring php-mysql php-intl php-sqlite3 php-xdebug sqlite3
 ```
 #### Mac
 ```
-$ brew install php@7.4
+$ brew install php@8.3
 ```
 In case you have older versions of PHP installed follow this cleanup procedure:
 https://medium.com/@romaninsh/install-php-7-2-xdebug-on-macos-high-sierra-with-homebrew-july-2018-d7968fe7e8b8
@@ -60,6 +60,7 @@ Above example was performed with version 1.8.4.
 
 ```
 $ ./composer.phar init
+$ ./composer.phar validate
 ```
 
 #### Project layout
@@ -82,10 +83,10 @@ tests/            # test code
 
 #### PHPUnit setup
 
-https://phpunit.de/getting-started/phpunit-9.html
+https://phpunit.de/getting-started/phpunit-11.html
 
 ```
-$ composer require --dev phpunit/phpunit ^9 (needs a modern PHP)
+$ ./composer.phar require --dev phpunit/phpunit ^11
 ```
 
 #### PHPMailer integration

composer.json

@@ -2,7 +2,7 @@
     "name": "ottlinger/mailform",
     "description": "Web application that sends out mails via a contact form.",
     "type": "application",
-    "license": " Apache-2.0",
+    "license": "Apache-2.0",
     "authors": [
         {
             "name": "Hugo Hirsch",