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--TEST--
shifting strings left
--FILE--
<?php
$s = "123";
$s1 = "test";
$s2 = "45345some";
$s <<= 2;
var_dump($s);
$s1 <<= 1;
var_dump($s1);
$s2 <<= 3;
var_dump($s2);
echo "Done\n";
?>
--EXPECTF--
int(492)
Warning: A non-numeric value encountered in %s on line %d
int(0)
Notice: A non well formed numeric value encountered in %s on line %d
int(362760)
Done
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