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--TEST--
Testing operations with undefined variable
--FILE--
<?php
var_dump($a[1]);
var_dump($a[$c]);
var_dump($a + 1);
var_dump($a + $b);
var_dump($a++);
var_dump(++$b);
var_dump($a->$b);
var_dump($a->$b);
var_dump($a->$b->$c[1]);
?>
--EXPECTF--
Notice: Undefined variable: a in %s on line %d
NULL
Notice: Undefined variable: %s in %s on line %d
Notice: Undefined variable: %s in %s on line %d
NULL
Notice: Undefined variable: a in %s on line %d
int(1)
Notice: Undefined variable: %s in %s on line %d
Notice: Undefined variable: %s in %s on line %d
int(0)
Notice: Undefined variable: a in %s on line %d
NULL
Notice: Undefined variable: b in %s on line %d
int(1)
Notice: Trying to get property of non-object in %s on line %d
NULL
Notice: Trying to get property of non-object in %s on line %d
NULL
Notice: Undefined variable: c in %s on line %d
Notice: Trying to get property of non-object in %s on line %d
Notice: Trying to get property of non-object in %s on line %d
NULL
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