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4694efe508
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54c41068cf
2 changed files with 6 additions and 88 deletions
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UUID generation in PHP without the Composer fuss. This is a small library for generating UUIDs without having to use a PHP package manager like Composer, it's easy to use and integrates without any fuss.
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## Supported UUIDs
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* UUIDv3
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* UUIDv4
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* UUIDv5
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* UUIDv7
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* UUIDv8 (arbitrary binary data)
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* custom SHA-256 UUID (similar to UUIDv3/5)
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89
uuid.php
89
uuid.php
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<?php
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/* VanillaUUID v1.1 by abbieoverflight.
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/* VanillaUUID v1.0.1 by abbieoverflight.
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* Licenced under the EUPLv1.2.
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* https://git.colean.cc/threeoh6000/vanillauuid */
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$uuidNamespaceDNS = "6ba7b8109dad11d180b400c04fd430c8";
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$uuidNamespaceURL = "6ba7b8119dad11d180b400c04fd430c8";
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$uuidNamespaceOID = "6ba7b8129dad11d180b400c04fd430c8";
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$uuidNamespaceX500 = "6ba7b8149dad11d180b400c04fd430c8";
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function randomLongHex($bits = 128) {
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$byt = random_bytes($bits/8);
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function randomLongHex() {
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$byt = random_bytes(64);
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return bin2hex($byt);
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}
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function genUuid3($namespace, $name) {
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$cleanedNamespace = preg_replace("/[^a-f0-9]/", '', strtolower($namespace));
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$hash = md5(pack("H*", $cleanedNamespace) . $name);
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$template = $hash;
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$canonicalVariant = substr($hash, 16, 1);
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$mathVariant = hexdec($canonicalVariant);
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$mathVariant = $mathVariant & 0b0011;
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$mathVariant = $mathVariant + 0b1000;
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$buildup = substr($template, 0, 8) . "-" . substr($template, 8, 4) . "-3" . substr($template, 13, 3) . "-" . dechex($mathVariant) . substr($template, 17, 3) . "-" . substr($template, 20, 12);
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return $buildup;
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}
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function genUuid4() {
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$template = randomLongHex();
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$canonicalVariant = substr($template, 16, 1);
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$mathVariant = hexdec($canonicalVariant);
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$mathVariant = $mathVariant & 0b0011;
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$mathVariant = $mathVariant + 0b1000;
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$buildup = substr($template, 0, 8) . "-" . substr($template, 8, 4) . "-4" . substr($template, 13, 3) . "-" . dechex($mathVariant) . substr($template, 17, 3) . "-" . substr($template, 20, 12);
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return $buildup;
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}
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function genUuid5($namespace, $name) {
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$cleanedNamespace = preg_replace("/[^a-f0-9]/", '', strtolower($namespace));
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$hash = sha1(pack("H*", $cleanedNamespace) . $name);
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$template = $hash;
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$canonicalVariant = substr($hash, 16, 1);
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$mathVariant = hexdec($canonicalVariant);
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$mathVariant = $mathVariant & 0b0011;
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$mathVariant = $mathVariant + 0b1000;
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$buildup = substr($template, 0, 8) . "-" . substr($template, 8, 4) . "-5" . substr($template, 13, 3) . "-" . dechex($mathVariant) . substr($template, 17, 3) . "-" . substr($template, 20, 12);
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return $buildup;
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}
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function genUuid7($milliseconds = NULL) {
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if($milliseconds == NULL) {
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$milliseconds = round(microtime(true) * 1000);
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}
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$milliseconds = dechex($milliseconds);
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while(strlen($milliseconds) < 12) {
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$milliseconds = "0" . $milliseconds;
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}
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$template = randomLongHex(74);
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return substr($milliseconds, -12, 8) . "-" .substr($milliseconds,-4,4) . "-7" . substr($template, 0, 3) . "-" . genVariantBit() . substr($template, 4, 3) . "-" . substr($template, 7, 12);
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}
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function genUuid8($data) {
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$hex = bin2hex($data);
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while(strlen($hex) < 32) {
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$hex = $hex . "0";
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}
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$template = $hex;
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$canonicalVariant = substr($hex, 16, 1);
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$mathVariant = hexdec($canonicalVariant);
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$mathVariant = $mathVariant & 0b0011;
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$mathVariant = $mathVariant + 0b1000;
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$buildup = substr($template, 0, 8) . "-" . substr($template, 8, 4) . "-8" . substr($template, 13, 3) . "-" . dechex($mathVariant) . substr($template, 17, 3) . "-" . substr($template, 20, 12);
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return $buildup;
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}
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function genSha256Uuid($namespace, $name){
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$cleanedNamespace = preg_replace("/[^a-f0-9]/", '', strtolower($namespace));
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return genUuid8(hash("sha256", pack("H*", $cleanedNamespace) . $name, true));
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}
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function genVariantBit() {
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$ri = random_int(0b1000, 0b1011);
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$encoded_byt = dechex((int)$ri);
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return $encoded_byt;
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$buildup = substr($template, 0, 8) . "-" . substr($template, 8, 4) . "-4" . substr($template, 13, 3) . "-" . $encoded_byt . substr($template, 17, 3) . "-" . substr($template, 20, 12);
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return $buildup;
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}
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function nilUuid() {
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