Test strict types behavior

Author: nikic

Zend/tests/first_class_callable_015.phpt

@@ -0,0 +1,24 @@
+--TEST--
+First class callables and strict types
+--FILE--
+<?php
+declare(strict_types=1);
+
+function test(int $i) {
+    var_dump($i);
+}
+
+require __DIR__ . '/first_class_callable_015_weak.inc';
+require __DIR__ . '/first_class_callable_015_strict.inc';
+$fn = test(...);
+do_weak_call($fn);
+try {
+    do_strict_call($fn);
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECTF--
+int(42)
+test(): Argument #1 ($i) must be of type int, string given, called in %s on line %d

Zend/tests/first_class_callable_015_strict.inc

@@ -0,0 +1,5 @@
+<?php declare(strict_types=1);
+
+function do_strict_call(Closure $fn) {
+    $fn("42");
+}

Zend/tests/first_class_callable_015_weak.inc

@@ -0,0 +1,5 @@
+<?php
+
+function do_weak_call(Closure $fn) {
+    $fn("42");
+}