Add composer-require-checker

Author: kelunik

.github/workflows/ci.yml

@@ -77,3 +77,11 @@ jobs:
         env:
           PHP_CS_FIXER_IGNORE_ENV: 1
         run: vendor/bin/php-cs-fixer --diff --dry-run -v fix
+
+      - name: Install composer-require-checker
+        run: php -r 'file_put_contents("composer-require-checker.phar", file_get_contents("https://github.com/maglnet/ComposerRequireChecker/releases/download/3.7.0/composer-require-checker.phar"));'
+        if: runner.os != 'Windows' && matrix.composer-require-checker-version != 'none'
+
+      - name: Run composer-require-checker
+        run: php composer-require-checker.phar check composer.json --config-file $PWD/composer-require-check.json
+        if: runner.os != 'Windows' && matrix.composer-require-checker-version != 'none'

.gitignore

@@ -5,3 +5,4 @@ coverage
 composer.lock
 phpunit.xml
 vendor
+composer-require-checker.phar

composer-require-check.json

@@ -0,0 +1,39 @@
+{
+    "symbol-whitelist": [
+        "null",
+        "true",
+        "false",
+        "static",
+        "self",
+        "parent",
+        "array",
+        "string",
+        "int",
+        "float",
+        "bool",
+        "iterable",
+        "callable",
+        "mixed",
+        "void",
+        "object",
+        "split",
+        "splitLines",
+        "deflate_add",
+        "deflate_init",
+        "inflate_add",
+        "inflate_init",
+        "ZLIB_FINISH",
+        "ZLIB_SYNC_FLUSH",
+        "json_decode",
+        "JSON_THROW_ON_ERROR"
+    ],
+    "php-core-extensions": [
+        "Core",
+        "date",
+        "pcre",
+        "Phar",
+        "Reflection",
+        "SPL",
+        "standard"
+    ]
+}

composer.json

@@ -27,7 +27,8 @@
     "require": {
         "php": ">=8",
         "amphp/amp": "^3",
-        "amphp/pipeline": "^1"
+        "amphp/pipeline": "^1",
+        "revolt/event-loop": "^0.1.0"
     },
     "require-dev": {
         "amphp/phpunit-util": "^3",