<?php function intval32bits($value) { $value = ($value & 0xFFFFFFFF); if ($value & 0x80000000) $value = -((~$value & 0xFFFFFFFF) + 1); return $value; } function shift_left_32( $a, $b ):int { return intval32bits( $a << $b ); } echo shift_left_32(0, 5);
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