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--TEST--
Using unset(), isset(), empty() with an illegal array offset throws
--FILE--
<?php
$ary = [];
try {
unset($ary[[]]);
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
isset($ary[[]]);
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
empty($ary[[]]);
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
?>
--EXPECT--
Illegal offset type in unset
Illegal offset type in isset or empty
Illegal offset type in isset or empty
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