use strict;
use warnings;
my $sqldata = [
{ level => 2, menuname => 'cccccc' },
{ level => 3, menuname => '333333' },
{ level => 3, menuname => '222222' },
{ level => 1, menuname => 'CCCCCC' },
{ level => 2, menuname => 'bbbbbb' },
{ level => 1, menuname => 'BBBBBB' },
{ level => 1, menuname => 'AAAAAA' },
{ level => 3, menuname => '111111' },
{ level => 2, menuname => 'aaaaaa' },
];
print $_->{level}." ".$_->{menuname}."<br>\n"
for sort {
$a->{level} <=> $b->{level} ||
$a->{menuname} cmp $b->{menuname}
} @$sqldata;
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