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--TEST--
Bug #52041 (Memory leak when writing on uninitialized variable returned from function)
--FILE--
<?php
function foo() {
return $x;
}
try {
foo()->a = 1;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
foo()->a->b = 2;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
foo()->a++;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
foo()->a->b++;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
foo()->a += 2;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
foo()->a->b += 2;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
foo()[0] = 1;
foo()[0][0] = 2;
foo()[0]++;
foo()[0][0]++;
foo()[0] += 2;
foo()[0][0] += 2;
var_dump(foo());
?>
--EXPECTF--
Warning: Undefined variable $x in %s on line %d
Attempt to assign property "a" on null
Warning: Undefined variable $x in %s on line %d
Attempt to modify property "a" on null
Warning: Undefined variable $x in %s on line %d
Attempt to increment/decrement property "a" on null
Warning: Undefined variable $x in %s on line %d
Attempt to modify property "a" on null
Warning: Undefined variable $x in %s on line %d
Attempt to assign property "a" on null
Warning: Undefined variable $x in %s on line %d
Attempt to modify property "a" on null
Warning: Undefined variable $x in %s on line %d
Warning: Undefined variable $x in %s on line %d
Warning: Undefined variable $x in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Warning: Undefined variable $x in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Warning: Undefined variable $x in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Warning: Undefined variable $x in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Notice: Undefined array key 0 in %s on line %d
Warning: Undefined variable $x in %s on line %d
NULL
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