1--TEST-- 2GH-11917: primitives seem to be passed via reference instead of by value under some conditions when JIT is enabled on windows 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6--FILE-- 7<?php 8$a = [2147483647,2147483647,2147483647,3,0,0,32,2147483584,127]; 9echo crc32(json_encode(bitwise_small_split($a))) . "\n"; 10echo crc32(json_encode(bitwise_small_split($a))) . "\n"; 11echo crc32(json_encode(bitwise_small_split($a))) . "\n"; 12echo crc32(json_encode(bitwise_small_split($a))) . "\n"; 13 14function bitwise_small_split($val) 15{ 16 $split = 8; 17 $vals = []; 18 19 $mask = (1 << $split) - 1; 20 21 $i = $overflow = 0; 22 $len = count($val); 23 $val[] = 0; 24 $remaining = 31; 25 26 while ($i != $len) { 27 $digit = $val[$i] & $mask; 28 29 $val[$i] >>= $split; 30 if (!$overflow) { 31 $remaining -= $split; 32 $overflow = $split <= $remaining ? 0 : $split - $remaining; 33 34 if (!$remaining) { 35 $i++; 36 $remaining = 31; 37 $overflow = 0; 38 } 39 } elseif (++$i != $len) { 40 $tempmask = (1 << $overflow) - 1; 41 $digit |= ($val[$i] & $tempmask) << $remaining; 42 $val[$i] >>= $overflow; 43 $remaining = 31 - $overflow; 44 $overflow = $split <= $remaining ? 0 : $split - $remaining; 45 } 46 47 $vals[] = $digit; 48 } 49 50 while ($vals[count($vals) - 1] == 0) { 51 unset($vals[count($vals) - 1]); 52 } 53 54 return array_reverse($vals); 55} 56?> 57--EXPECT-- 5848207660 5948207660 6048207660 6148207660 62
