--TEST-- PHPC-623: Numeric keys limited to unsigned 32-bit integer --SKIPIF-- --FILE-- 'a', 'X9781449410247' => 'b', 9781449410248 => 'c', ], [ '4294967295' => 'a', '4294967296' => 'b', '4294967297' => 'c', ] ]; foreach ($tests as $test) { printf("Test %s\n", json_encode($test)); $bson = fromPHP($test); hex_dump($bson); echo toJSON($bson), "\n\n"; } ?> ===DONE=== --EXPECT-- Test {"9781449410247":"a","X9781449410247":"b","9781449410248":"c"} 0 : 45 00 00 00 02 39 37 38 31 34 34 39 34 31 30 32 [E....97814494102] 10 : 34 37 00 02 00 00 00 61 00 02 58 39 37 38 31 34 [47.....a..X97814] 20 : 34 39 34 31 30 32 34 37 00 02 00 00 00 62 00 02 [49410247.....b..] 30 : 39 37 38 31 34 34 39 34 31 30 32 34 38 00 02 00 [9781449410248...] 40 : 00 00 63 00 00 [..c..] { "9781449410247" : "a", "X9781449410247" : "b", "9781449410248" : "c" } Test {"4294967295":"a","4294967296":"b","4294967297":"c"} 0 : 3b 00 00 00 02 34 32 39 34 39 36 37 32 39 35 00 [;....4294967295.] 10 : 02 00 00 00 61 00 02 34 32 39 34 39 36 37 32 39 [....a..429496729] 20 : 36 00 02 00 00 00 62 00 02 34 32 39 34 39 36 37 [6.....b..4294967] 30 : 32 39 37 00 02 00 00 00 63 00 00 [297.....c..] { "4294967295" : "a", "4294967296" : "b", "4294967297" : "c" } ===DONE===