Adding some of the most common php tooling - phpunit for running unit…

… tests, paratest for running the same unitests in parallel, and php-cs-fixer for enforcing formatting. php-cs-fixer could be considered to be promoted to being a linter as soon as I work out how to parse its output and feed it through a post-processor like phpstan is

tools/paratest/plugin.yaml

@@ -0,0 +1,11 @@
+version: 0.1
+tools:
+  definitions:
+    - name: paratest
+      runtime: php
+      package: brianium/paratest
+      known_good_version: 7.4.3
+      shims: [paratest]
+      environment:
+        - name: PATH
+          list: ["${tool}/vendor/bin"]

tools/php-cs-fixer/plugin.yaml

@@ -0,0 +1,11 @@
+version: 0.1
+tools:
+  definitions:
+    - name: php-cs-fixer
+      runtime: php
+      package: friendsofphp/php-cs-fixer
+      known_good_version: 3.54.0
+      shims: [php-cs-fixer]
+      environment:
+        - name: PATH
+          list: ["${tool}/vendor/bin"]

tools/phpunit/plugin.yaml

@@ -0,0 +1,11 @@
+version: 0.1
+tools:
+  definitions:
+    - name: phpunit
+      runtime: php
+      package: phpunit/phpunit
+      known_good_version: 11.1.3
+      shims: [phpunit]
+      environment:
+        - name: PATH
+          list: ["${tool}/vendor/bin"]