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some_tests/promise-async-await/PromiseAll.php

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+<?php
+
+require_once __DIR__ . '/vendor/autoload.php';
+
+use vennv\vapm\simultaneous\Promise;
+use vennv\vapm\System;
+
+/**
+ * @throws Throwable
+ */
+function testPromise1() : Promise {
+    return new Promise(function ($resolve, $reject) {
+        System::setTimeout(function () use ($resolve) {
+            $resolve("A");
+        }, 1000);
+    });
+}
+
+/**
+ * @throws Throwable
+ */
+function testPromise2() : Promise {
+    return new Promise(function ($resolve, $reject) {
+        System::setTimeout(function () use ($reject) {
+            $reject("B");
+        }, 1000);
+    });
+}
+
+/**
+ * @throws Throwable
+ */
+function main() : void {
+    Promise::all([
+        testPromise1(),
+        testPromise2(),
+    ])
+    ->then(function ($values) {
+        var_dump($values);
+    })
+    ->catch(function ($reason) {
+        var_dump($reason);
+    });
+}
+
+main();