Create degrade-closures.php

Author: staabm

tests/PHPStan/Analyser/nsrt/degrade-closures.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace DegradeClosures;
+
+use function PHPStan\Testing\assertType;
+
+$arr = [];
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+$arr[] = static function () {};
+assertType('array{Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void, Closure(): void}', $arr);
+
+$arr[] = static function () {};
+assertType('non-empty-list<callable(): mixed>&oversized-array', $arr);