1--TEST--
2Required parameter not passed
3--FILE--
4<?php
5
6function test($a, $b, $c, $d) {
7}
8
9try {
10    test(a: 'a', d: 'd');
11} catch (ArgumentCountError $e) {
12    echo $e->getMessage(), "\n";
13}
14
15try {
16    array_keys(strict: true);
17} catch (ArgumentCountError $e) {
18    echo $e->getMessage(), "\n";
19}
20
21try {
22    array_keys([], strict: true);
23} catch (ArgumentCountError $e) {
24    echo $e->getMessage(), "\n";
25}
26
27// This works fine, as search_value is explicitly specified.
28var_dump(array_keys([41, 42], filter_value: 42, strict: true));
29
30?>
31--EXPECT--
32test(): Argument #2 ($b) not passed
33array_keys(): Argument #1 ($array) not passed
34array_keys(): Argument #2 ($filter_value) must be passed explicitly, because the default value is not known
35array(1) {
36  [0]=>
37  int(1)
38}
39