| 837,7 → 837,7 |
|---|
| |
| // Block 5 |
| $signature = substr($uuid,20,12); |
| if (strtolower($signature) == '4849434b454c'/*HICKEL*/) { |
| if (strtolower($signature) == '5ce32bd83b96') { |
| // HickelSOFT "SQL Server sortable UUID in C#" |
| // Version 2: Resolution of 1 milliseconds, random part of 18 bits, UTC time, UUIDv8 conform. |
| // Example: 2088dc33-000d-8045-87e8-4849434b454c |
| 874,8 → 874,8 |
|---|
| echo sprintf("%-32s %s\n", "Minute of day:", "[0x".substr($uuid,8,4)."] $minuteOfDay (".str_pad("$hours",2,'0',STR_PAD_LEFT).":".str_pad("$minutes",2,'0',STR_PAD_LEFT).")"); |
| echo sprintf("%-32s %s\n", "Day of year:", "[0x".substr($uuid,13,3)."] $dayOfYear (Day=$day, Month=$month)"); |
| echo sprintf("%-32s %s\n", "Random 2 bits:", "[$rnd2bits] 0b".str_pad("".base_convert("$rnd2bits", 16, 2), 2, '0', STR_PAD_LEFT)); |
| echo sprintf("%-32s %s\n", "Year:", "[0x".substr($uuid,17,3)."] $year)"); |
| echo sprintf("%-32s %s\n", "Signature:", "[0x".substr($uuid,20,12)."] HICKEL"); |
| echo sprintf("%-32s %s\n", "Year:", "[0x".substr($uuid,17,3)."] $year"); |
| echo sprintf("%-32s %s\n", "Signature:", "[0x".substr($uuid,20,12)."] HickelSOFT \"SQL Server Sortable Custom UUID\", Version 2 (very likely)"); |
| echo sprintf("%-32s %s\n", "UTC Date Time:", $utc_time); |
| } |
| } else if (strtolower($signature) == '000000000000') { |
| 920,7 → 920,7 |
|---|
| echo sprintf("%-32s %s\n", "Day:", "[0x".substr($uuid,12,2)."] $day"); |
| echo sprintf("%-32s %s\n", "Month:", "[0x".substr($uuid,14,2)."] $month"); |
| echo sprintf("%-32s %s\n", "Year:", "[0x".substr($uuid,16,4)."] $year"); |
| echo sprintf("%-32s %s\n", "Signature:", "[0x".substr($uuid,20,12)."]"); |
| echo sprintf("%-32s %s\n", "Signature:", "[0x".substr($uuid,20,12)."] HickelSOFT \"SQL Server Sortable Custom UUID\", Version 1 (maybe)"); |
| echo sprintf("%-32s %s\n", "Generator's Local Date Time:", $local_time); |
| } |
| } |
| 1569,7 → 1569,7 |
|---|
| if ($hickelUuidVersion == 1) { |
| $block5 = "000000000000"; |
| } else if ($hickelUuidVersion == 2) { |
| $block5 = "4849434B454C"/*Hex:"HICKEL"*/; |
| $block5 = "5ce32bd83b96"; |
| } else { |
| throw new Exception("Invalid version"); |
| } |
| 1580,7 → 1580,7 |
|---|
| $block4 = substr($year, 2, 2).substr($year, 0, 2); // Example: 0x2420 = 2024 |
| } else { |
| $variant = 0x8; // First nibble needs to be 0b10_ (0x8-0xB) for "RFC 4122bis". We use it to store 2 more random bits. |
| $rnd2bits = rand(0x0, 0x3); |
| $rnd2bits = _random_int(0x0, 0x3); |
| $year = $dt->format('Y'); |
| $block4 = sprintf('%01x%03x', $variant + ($rnd2bits & 0x3), $year); |
| } |
| 1605,16 → 1605,16 |
|---|
| // Then: Sort block 1, bytes from right to left |
| $millisecond8bits = ceil(($dt->format('v') / 999) * 255); |
| if ($hickelUuidVersion == 1) { |
| $rnd16bits = rand(0x0000, 0xFFFF-1); |
| $rnd16bits = _random_int(0x0000, 0xFFFF-1); |
| $block1 = sprintf('%04x%02x', $rnd16bits, $millisecond8bits).$dt->format('s'); |
| } else { |
| $rnd16bits = rand(0x0000, 0xFFFF); |
| $rnd16bits = _random_int(0x0000, 0xFFFF); |
| $block1 = sprintf('%04x%02x%02x', $rnd16bits, $millisecond8bits, $dt->format('s')); |
| } |
| |
| // Now build and parse UUID |
| usleep((int)ceil(999 / 255)); // Make sure that "millisecond" is not repeated on this system |
| return "$block1-$block2-$block3-$block4-$block5"; |
| return strtolower("$block1-$block2-$block3-$block4-$block5"); |
| } |
| |
| # -------------------------------------- |