Anonymous
public text v1 · immutable$ cat test.php
<?PHP
$foo = "bar";
$var = "foo";
echo $var . "\n";
echo $$var . "\n";
?>
$ php5 test.php
foo
bar$ cat test.php
<?PHP
$foo = "bar";
$var = "foo";
echo $var . "\n";
echo $$var . "\n";
?>
$ php5 test.php
foo
bar