1--TEST--
2Duplicate param
3--FILE--
4<?php
5
6function test($a) {}
7
8try {
9    test(a: 1, a: 2);
10} catch (Error $e) {
11    echo $e->getMessage(), "\n";
12}
13
14try {
15    test(1, a: 2);
16} catch (Error $e) {
17    echo $e->getMessage(), "\n";
18}
19
20?>
21--EXPECT--
22Named parameter $a overwrites previous argument
23Named parameter $a overwrites previous argument
24