复制代码 代码如下:
$long="big_long_variable_name";
$$long="PHP";
$short=& $big_long_variable_name;
print "01 /$short is $short.";
print "02 Long is $big_long_variable_name.";
?>
print "03 /$short is $short";
print "04 Long is $big_long_variable_name";
?>
05 $short is PHP rocks!
06 Long is PHP rocks!
print "07 /$short is $short";
print "08 Long is $big_long_variable_name";
?>
09 $short is Programming PHP rocks!
10 Long is Programming PHP rocks!
print "11 /$short is $short";
print "12 Long is $big_long_variable_name";
?>
unset($big_long_variable_name);
print "13 /$short is $short";
print "14 Long is $big_long_variable_name.";
snow;
?>
print "15 /$short is $short.";
$short="No point TEST2 $short";
print "16 /$short is $short.";
