WebSVN – uuid_mac_utils – Diff – /trunk/includes/uuid_utils.inc.php



<?php
 
/*
 * UUID utils for PHP
 * Copyright 2011 - 2024 Daniel Marschall, ViaThinkSoft
 * Version 2024-04-16
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *

                        if ($version <= 2) {
                                echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1");
                        } else if (($version >= 3) && ($version <= 5)) {
                                echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)");
                        } else if (($version >= 6) && ($version <= 8)) {
                                echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 9562 (Davis-Peabody-Leach)");
                        } else {
                                echo sprintf("%-32s %s\n", "Variant:", "[0b10_] Unknown RFC");
                        }
 
                        switch ($version) {

                        str_pad("$day",2,'0',STR_PAD_LEFT).' '.
                        str_pad("$hours",2,'0',STR_PAD_LEFT).':'.
                        str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.
                        str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".
                        str_pad("$milliseconds",3/*ms*/,'0',STR_PAD_LEFT);
                if ((strpos($utc_time,'X') === false) && checkdate($month, $day, $year)) {
                        $deviation = "(deviation -2ms..2ms)";
                        echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 2</a></u>\n\n";
                        echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad("".base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));
                        echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");
                        echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");

                        str_pad("$day",2,'0',STR_PAD_LEFT).' '.
                        str_pad("$hours",2,'0',STR_PAD_LEFT).':'.
                        str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.
                        str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".
                        str_pad("$milliseconds",3/*ms*/,'0',STR_PAD_LEFT);
                if ((strpos($local_time,'X') === false) && checkdate($month, $day, $year)) {
                        $deviation = "(deviation -4ms..0ms)";
                        echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 1</a></u>\n\n";
                        echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad(base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));
                        echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");
                        echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");

        // Then: Sort block 4, nibbles from left to right
        if ($hickelUuidVersion == 1) {
                $year = $dt->format('Y');
                $block4 = substr($year, 2, 2).substr($year, 0, 2); // Example: 0x2420 = 2024
        } else {
                $variant = 0x8; // First nibble needs to be 0b10_ (0x8-0xB) for RFC 9562. We use it to store 2 more random bits.
                $unused2bits = 0; // Cannot be used for random, because it would affect the sorting
                $year = $dt->format('Y');
                $block4 = sprintf('%01x%03x', $variant + ($unused2bits & 0x3), $year);
        }
 

Subversion Repositories uuid_mac_utils

uuid_mac_utils/trunk/includes/uuid_utils.inc.php @ 24 – Rev 89 → 90

Rev 89		Rev 90
Line 1...		Line 1...
1	<?php	1	<?php
2		2
3	/*	3	/*
4	* UUID utils for PHP	4	* UUID utils for PHP
5	* Copyright 2011 - 2024 Daniel Marschall, ViaThinkSoft	5	* Copyright 2011 - 2024 Daniel Marschall, ViaThinkSoft
6	* Version 2024-04-05	6	* Version 2024-04-16
7	*	7	*
8	* Licensed under the Apache License, Version 2.0 (the "License");	8	* Licensed under the Apache License, Version 2.0 (the "License");
9	* you may not use this file except in compliance with the License.	9	* you may not use this file except in compliance with the License.
10	* You may obtain a copy of the License at	10	* You may obtain a copy of the License at
11	*	11	*
Line 331...		Line 331...
331	if ($version <= 2) {	331	if ($version <= 2) {
332	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1");	332	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1");
333	} else if (($version >= 3) && ($version <= 5)) {	333	} else if (($version >= 3) && ($version <= 5)) {
334	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)");	334	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)");
335	} else if (($version >= 6) && ($version <= 8)) {	335	} else if (($version >= 6) && ($version <= 8)) {
336	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC draft-ietf-uuidrev-rfc4122bis (Davis-Peabody-Leach)"); // TODO: When new RFC is published, replace the RFC number	336	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 9562 (Davis-Peabody-Leach)");
337	} else {	337	} else {
338	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] Unknown RFC");	338	echo sprintf("%-32s %s\n", "Variant:", "[0b10_] Unknown RFC");
339	}	339	}
340		340
341	switch ($version) {	341	switch ($version) {
Line 920...		Line 920...
920	str_pad("$day",2,'0',STR_PAD_LEFT).' '.	920	str_pad("$day",2,'0',STR_PAD_LEFT).' '.
921	str_pad("$hours",2,'0',STR_PAD_LEFT).':'.	921	str_pad("$hours",2,'0',STR_PAD_LEFT).':'.
922	str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.	922	str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.
923	str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".	923	str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".
924	str_pad("$milliseconds",3/ms/,'0',STR_PAD_LEFT);	924	str_pad("$milliseconds",3/ms/,'0',STR_PAD_LEFT);
925	if (checkdate($month, $day, $year) && (strpos($utc_time,'X') === false)) {	925	if ((strpos($utc_time,'X') === false) && checkdate($month, $day, $year)) {
926	$deviation = "(deviation -2ms..2ms)";	926	$deviation = "(deviation -2ms..2ms)";
927	echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 2</a></u>\n\n";	927	echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 2</a></u>\n\n";
928	echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad("".base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));	928	echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad("".base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));
929	echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");	929	echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");
930	echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");	930	echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");
Line 965...		Line 965...
965	str_pad("$day",2,'0',STR_PAD_LEFT).' '.	965	str_pad("$day",2,'0',STR_PAD_LEFT).' '.
966	str_pad("$hours",2,'0',STR_PAD_LEFT).':'.	966	str_pad("$hours",2,'0',STR_PAD_LEFT).':'.
967	str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.	967	str_pad("$minutes",2,'0',STR_PAD_LEFT).':'.
968	str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".	968	str_pad("$seconds",2,'0',STR_PAD_LEFT)."'".
969	str_pad("$milliseconds",3/ms/,'0',STR_PAD_LEFT);	969	str_pad("$milliseconds",3/ms/,'0',STR_PAD_LEFT);
970	if (checkdate($month, $day, $year) && (strpos($local_time,'X') === false)) {	970	if ((strpos($local_time,'X') === false) && checkdate($month, $day, $year)) {
971	$deviation = "(deviation -4ms..0ms)";	971	$deviation = "(deviation -4ms..0ms)";
972	echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 1</a></u>\n\n";	972	echo "\n<u>Interpretation of <a href=\"https://gist.github.com/danielmarschall/7fafd270a3bc107d38e8449ce7420c25\">HickelSOFT \"SQL Server Sortable Custom UUID\", Version 1</a></u>\n\n";
973	echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad(base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));	973	echo sprintf("%-32s %s\n", "Random 16 bits:", "[0x$rnd16bits] 0b".str_pad(base_convert($rnd16bits, 16, 2), 16, '0', STR_PAD_LEFT));
974	echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");	974	echo sprintf("%-32s %s\n", "Milliseconds:", "[0x".substr($uuid,4,2)."] $milliseconds $deviation");
975	echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");	975	echo sprintf("%-32s %s\n", "Seconds:", "[0x".substr($uuid,6,2)."] $seconds");
Line 1636...		Line 1636...
1636	// Then: Sort block 4, nibbles from left to right	1636	// Then: Sort block 4, nibbles from left to right
1637	if ($hickelUuidVersion == 1) {	1637	if ($hickelUuidVersion == 1) {
1638	$year = $dt->format('Y');	1638	$year = $dt->format('Y');
1639	$block4 = substr($year, 2, 2).substr($year, 0, 2); // Example: 0x2420 = 2024	1639	$block4 = substr($year, 2, 2).substr($year, 0, 2); // Example: 0x2420 = 2024
1640	} else {	1640	} else {
1641	$variant = 0x8; // First nibble needs to be 0b10_ (0x8-0xB) for "RFC 4122bis". We use it to store 2 more random bits.	1641	$variant = 0x8; // First nibble needs to be 0b10_ (0x8-0xB) for RFC 9562. We use it to store 2 more random bits.
1642	$unused2bits = 0; // Cannot be used for random, because it would affect the sorting	1642	$unused2bits = 0; // Cannot be used for random, because it would affect the sorting
1643	$year = $dt->format('Y');	1643	$year = $dt->format('Y');
1644	$block4 = sprintf('%01x%03x', $variant + ($unused2bits & 0x3), $year);	1644	$block4 = sprintf('%01x%03x', $variant + ($unused2bits & 0x3), $year);
1645	}	1645	}
1646		1646