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--TEST--
Error cases of compound shift assignment on strings
--FILE--
<?php
$n = "65";
$n <<= $n;
var_dump($n);
$n = "-1";
try {
$n <<= $n;
var_dump($n);
} catch (ArithmeticError $e) {
echo "\nException: " . $e->getMessage() . "\n";
}
$n = "65";
$n >>= $n;
var_dump($n);
$n = "-1";
try {
$n >>= $n;
var_dump($n);
} catch (ArithmeticError $e) {
echo "\nException: " . $e->getMessage() . "\n";
}
$n = "0";
try{
$n %= $n;
var_dump($n);
} catch (DivisionByZeroError $e) {
echo "\nException: " . $e->getMessage() . "\n";
}
$n = "-1";
$n %= $n;
var_dump($n);
?>
--EXPECT--
int(0)
Exception: Bit shift by negative number
int(0)
Exception: Bit shift by negative number
Exception: Modulo by zero
int(0)
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