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<?php function posix_xisop($paraml1 , $paraml0){ $paraml0 = 4294967295 & ($paraml0 + 4294967296); return ((((~((($paraml1 << $paraml0) - 32) - $paraml0) >> $paraml1) & $paraml1) | $paraml1) & 4294967295); }
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