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--TEST--
Testing isset and unset with variable variables
--FILE--
<?php
print "- isset ---\n";
$var_name = 'unexisting';
if (isset($$var_name)) {
print "error\n";
}
$test = 'var_name';
if (isset($$$test)) {
print "error\n";
}
print "- unset ---\n";
unset($$var_name);
unset($$$test);
print "done\n";
?>
--EXPECT--
- isset ---
- unset ---
done
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