By default test on PHP 8.4

The default test environment and CI
runs test suite on PHP 8.4.

PHP 8.4 compatible Xdebug 3.4.0beta1 has
been released by the Xdebug team. It was
installed inside the to make coverage
collection possible. One stable version
is available, we can migrate to it instead.

Composer and PHPStan were updated to the
most recent stable releases to resolve
left-over PHP 8.4 deprecation notices
and fatal errors.

Makefile

@@ -1,6 +1,6 @@
 .PHONY: all clean docker-build docker-images help lint lint-fix repl shell test test-static test-unit bump bump-dev process-reports
 
-IMAGE ?= php_8_3
+IMAGE ?= php_8_4
 PHP = docker compose run --rm php
 
 all: test

composer.json

@@ -23,7 +23,7 @@
         "php": ">=5.3.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "1.12.0",
+        "phpstan/phpstan": "1.12.11",
         "phpunit/phpunit": "^9.5.20",
         "squizlabs/php_codesniffer": "3.*",
         "symfony/yaml": "^5.4.40",

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   php:
-    build: ./docker/image/${IMAGE:-php_8_3}
+    build: ./docker/image/${IMAGE:-php_8_4}
     volumes:
       - .:/app
       - ${COMPOSER_HOME:-$HOME/.composer}:/tmp

docker/image/php_8_4/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.4-rc-cli
+FROM php:8.4-cli
 
 RUN apt-get update && apt-get install -y \
     bash \
@@ -7,6 +7,10 @@ RUN apt-get update && apt-get install -y \
     zip \
     wget
 
-COPY --from=composer:2.7 /usr/bin/composer /usr/bin/composer
+RUN pecl install xdebug-3.4.0beta1
+
+RUN docker-php-ext-enable xdebug
+
+COPY --from=composer:2.8 /usr/bin/composer /usr/bin/composer
 
 WORKDIR /app