Add way to run all examples

composer.json

@@ -49,6 +49,7 @@
         "ramsey/uuid": "^4.5",
         "symfony/cache": "^6.2",
         "symfony/dotenv": "^6.2",
+        "symfony/finder": "^6.3",
         "symfony/uid": "^6.3"
     },
     "autoload": {

examples/bootstrap.php

@@ -6,11 +6,13 @@
 
 \ini_set('memory_limit', -1);
 
-const __FLOW_DATA__ = __DIR__ . '/data';
-const __FLOW_OUTPUT__ = __DIR__ . '/output';
-const __FLOW_VAR__ = __DIR__ . '/var';
-const __FLOW_VAR_RUN__ = __DIR__ . '/var/run';
-const __FLOW_SRC__ = __DIR__ . '/../src';
+if (!\defined('__FLOW_DATA__')) {
+    \define('__FLOW_DATA__', __DIR__ . '/data');
+    \define('__FLOW_OUTPUT__', __DIR__ . '/output');
+    \define('__FLOW_VAR__', __DIR__ . '/var');
+    \define('__FLOW_VAR_RUN__', __DIR__ . '/var/run');
+    \define('__FLOW_SRC__', __DIR__ . '/../src');
+}
 
 if (!\is_dir(__FLOW_VAR__)) {
     \mkdir(__FLOW_VAR__);

examples/run_examples.php

@@ -0,0 +1,39 @@
+#!/usr/bin/env php
+<?php declare(strict_types=1);
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use Symfony\Component\Finder\Finder;
+
+if ($_ENV['FLOW_PHAR_APP'] ?? false) {
+    print PHP_EOL . 'This script cannot be run in PHAR, please use CLI approach.' . PHP_EOL;
+
+    exit(1);
+}
+
+if (false === \in_array(PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+    print PHP_EOL . 'This script may only be invoked from a command line, got "' . PHP_SAPI . '"' . PHP_EOL;
+
+    exit(1);
+}
+
+\ini_set('memory_limit', -1);
+
+print "Running all available examples.\n";
+
+$finder = new Finder();
+$finder->in(__DIR__ . '/topics')
+    // async & database examples require additional manual setup to be run properly
+    ->exclude([__DIR__ . '/topics/async', __DIR__ . '/topics/db'])
+    ->files()
+    ->name('*.php');
+
+foreach ($finder as $file) {
+    print "\nExample: {$file->getRelativePathname()}\n";
+
+    try {
+        include $file->getRealPath();
+    } catch (\Exception $e) {
+        print "Example failed: {$e->getMessage()}\n";
+    }
+}