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From: Dominik Csapak <d.csapak@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Tue,  6 Jun 2023 15:08:49 +0200
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Subject: [pve-devel] [PATCH http-server v3 2/2] use proper arrays for array
 parameter
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since there is no other way to get an array parameter when using
x-www-form-urlencoded content type

the previous format with \0 separated strings (known as '-alist' format)
should not be used anymore (in favor of the now supported arrays)

Acked-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/PVE/APIServer/AnyEvent.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/PVE/APIServer/AnyEvent.pm b/src/PVE/APIServer/AnyEvent.pm
index e9d87b3..e56a196 100644
--- a/src/PVE/APIServer/AnyEvent.pm
+++ b/src/PVE/APIServer/AnyEvent.pm
@@ -850,7 +850,12 @@ sub decode_urlencoded {
 	    $v = Encode::decode('utf8', $v);
 
 	    if (defined(my $old = $res->{$k})) {
-		$v = "$old\0$v";
+		if (ref($old) eq 'ARRAY') {
+		    push @$old, $v;
+		    $v = $old;
+		} else {
+		    $v = [$old, $v];
+		}
 	    }
 	}
 
-- 
2.30.2