程嶏清单10-6.txt

< linux网络编程工具>>配套源码

%weekday = ('1' => 'Mon', '2' => 'Tue', '3' => 'Wed',
                   '4' => 'Thu', '5' => 'Fri', '6' => 'Sat', '7' => 'Sun',
                  );
$pointer = \%weekday;
for($j = 0;$j<8;$j++) {
$i = $j;
print  '$$pointer{$i} is ';
print  "$$pointer{$i} \n";
print  '${$pointer}{\$i} is ';
print  "${$pointer}{$i} \n";
print  '$pointer->{\$i} is ';
print  "$pointer->{$i}\n";
# These next two lines should not show anything 
print  '${$pointer{\$i}} is ';
print  "${$pointer{$i}}      ";
print  '${$pointer->{\$i}} is ';
print  "${$pointer->{$i}}\n";
}