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<?php
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function reverse_integer($n)
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{
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$result = 0;
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for($i= 0; $i<32; $i++)
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{
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$result <<= 1;
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$result|= ($n & 1);
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$n >>= 1;
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}
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return $result;
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}
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print_r(reverse_integer(1234)."\n");
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?>
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