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run code in 300+ PHP versions simultaneously
<?php function uuid7(): string { $msec = (int)(microtime(true) * 1000); // 48-bit timestamp (big-endian) $timeBytes = pack("J", $msec); $timeBytes = substr($timeBytes, -6); $rand = random_bytes(10); $bytes = $timeBytes . $rand; // Version 7 $bytes[6] = chr((ord($bytes[6]) & 0x0f) | 0x70); // Variant RFC 4122 (10xx) $bytes[8] = chr((ord($bytes[8]) & 0x3f) | 0x80); $hex = bin2hex($bytes); return sprintf( '%s-%s-%s-%s-%s', substr($hex, 0, 8), substr($hex, 8, 4), substr($hex, 12, 4), substr($hex, 16, 4), substr($hex, 20) ); } for ($i = 0; $i < 100; $i++) { echo uuid7() . PHP_EOL; }
Output for git.master
01998246-99ac-793d-ac1e-aac075e2362d 01998246-99ac-711f-992e-f30c95e08ff7 01998246-99ac-7bb9-87bc-7f473bec6486 01998246-99ac-752e-8879-f25c0a3ab5f5 01998246-99ac-73b5-af08-1c8dde43cd02 01998246-99ac-770c-a77e-e78ad0cb4719 01998246-99ac-7e38-82b0-bcb2fabc3592 01998246-99ac-7a47-81d1-ae450d6b1e62 01998246-99ac-7c97-99af-4fddba4df5c1 01998246-99ac-7d18-9794-37983a906529 01998246-99ac-7aa2-830f-d705e159502e 01998246-99ac-7da8-bd28-7372ab7f36f0 01998246-99ac-7e4c-9446-faca8ff427d8 01998246-99ac-7293-b9a4-75135370abea 01998246-99ac-7a28-945c-e28587ee46c9 01998246-99ac-78ac-9cfa-089e315c2634 01998246-99ac-7a98-95c3-abcc2a076e63 01998246-99ac-7147-aefc-2d1d0a8af828 01998246-99ac-729b-a9bf-5339f7875e6a 01998246-99ac-74ae-a05b-86a9af56950b 01998246-99ac-7d00-b6de-52a4b24488bf 01998246-99ac-7163-b2a3-aacffa07080b 01998246-99ac-7e52-b615-662ffe29cac8 01998246-99ac-7bff-af81-db8eb30cd83f 01998246-99ac-771a-b1ad-3e88ad97737a 01998246-99ac-765f-9303-14ead41be96a 01998246-99ac-7ce1-8d4d-cbcd49e5d24f 01998246-99ac-7ac0-9643-40bd23d85499 01998246-99ac-7bbc-8dbd-cb22d3b67698 01998246-99ac-72c6-9026-4438f031feae 01998246-99ac-74bb-8683-aca28153dcba 01998246-99ac-719f-9c1a-397066807455 01998246-99ac-7838-b871-4388d0e0bb28 01998246-99ac-7e44-84dd-01ad15056904 01998246-99ac-746c-9503-c1eaee8564ca 01998246-99ac-7c86-b3f5-f229c1bae6fb 01998246-99ac-7f64-8ce8-4298b0556fe1 01998246-99ac-738f-8024-32e1294d95b7 01998246-99ac-775e-9c39-fda2b79ddca2 01998246-99ac-7a2d-804c-f07632b1015d 01998246-99ac-77c8-a1dc-855d34906851 01998246-99ac-743c-bac9-3425da8b4a0b 01998246-99ac-7484-8af5-8bb0339714c7 01998246-99ac-768f-919a-1087d97ec83a 01998246-99ac-781e-91e3-417ffde7b7e4 01998246-99ac-73b1-96dc-0b6dbd49c9ad 01998246-99ac-7907-832e-98080ac31fae 01998246-99ac-7aff-81f8-12e84ae779f7 01998246-99ac-7d6f-9e64-899fcd777cd4 01998246-99ac-7ee1-b9e2-1aea8566cb8d 01998246-99ac-7845-9c39-053d8795f950 01998246-99ac-7c1c-b26e-3e428afac065 01998246-99ac-704e-ab2a-e8174b6824eb 01998246-99ac-716c-ac84-e88209aaab69 01998246-99ac-7c2c-b589-08d8d19c7354 01998246-99ac-7884-ad70-a7497f11deb0 01998246-99ac-7e35-96e2-36a58c9f36b9 01998246-99ac-7ce6-b1f0-1d4ec2045904 01998246-99ac-7bff-b434-8e09d0518c2c 01998246-99ac-7209-a9e1-764811a64766 01998246-99ac-7122-b0d6-9e5064f622c7 01998246-99ac-7bf4-b8ed-d5aa4e92435d 01998246-99ac-7a10-978b-ad3df1702d11 01998246-99ac-78e4-882b-2a1c366c7585 01998246-99ac-732d-a7ba-015e9f9dade9 01998246-99ac-7bc6-9ccb-8653e7556d32 01998246-99ac-7e38-9a80-24c01bee1787 01998246-99ac-77be-bd39-7dc114ae2a82 01998246-99ac-7652-baa7-5465840898de 01998246-99ac-7f98-bcca-9bae43785def 01998246-99ac-7b62-be01-e38ed0a746b1 01998246-99ac-75f0-a66d-c97e53d4541f 01998246-99ac-7706-b7a6-940b47014993 01998246-99ac-76e5-becb-59980cf0f624 01998246-99ac-7be5-b2cd-9c65c4e5a9c6 01998246-99ac-7715-ab19-738e5c416289 01998246-99ac-7079-b13a-e6a4137c66b5 01998246-99ac-7c87-870d-fe26c51a74d1 01998246-99ac-7eb2-8ebd-de48222ada91 01998246-99ac-74a3-a80d-a7f8559ebaf2 01998246-99ac-7247-a7d0-8cfdd97fad45 01998246-99ac-7847-894b-7d4945dca57d 01998246-99ac-78ad-8f56-8f00a38bff2f 01998246-99ac-7835-8fb3-24df270a154a 01998246-99ac-72a6-a957-1875af909726 01998246-99ac-7e5c-95e5-092d376c5dd7 01998246-99ac-7981-8db1-8cde5a13abf2 01998246-99ac-7cba-b359-47383163f0ab 01998246-99ac-79d9-a819-08c1c3da3118 01998246-99ac-7fd3-a6db-4d19ddbf8f99 01998246-99ac-752a-bc22-5031f646fb4a 01998246-99ac-71f7-b0bf-493c8e7f1109 01998246-99ac-7576-b65b-800fda8f0b46 01998246-99ac-789b-b765-b5288f00107f 01998246-99ac-78ba-95bd-35405075e404 01998246-99ac-7ae7-85a1-bbcb301cc663 01998246-99ac-7d76-949d-e60701577739 01998246-99ac-7b28-9c98-3a6d8891d614 01998246-99ac-7cc5-bcd4-d4a5bda8af16 01998246-99ac-7396-9fef-2cfaf2aaa40b
Output for git.master_jit
01998246-99b9-7ca5-9f60-598db2d405c4 01998246-99b9-77ed-a231-af726a2457a9 01998246-99b9-76a9-a9c7-f3f9b63f44ac 01998246-99b9-71be-b3d8-9c43836c80be 01998246-99b9-73ce-8ff6-7ffb3ce4df52 01998246-99b9-7508-ad8f-50db73cae9f0 01998246-99b9-72c4-809f-0cd938ddb94b 01998246-99b9-780c-9e8d-86c3eb31dcf8 01998246-99b9-739d-8ab0-c10034064539 01998246-99b9-7fee-808e-7ebd878e7754 01998246-99b9-7008-b2d3-da4ba19b89c0 01998246-99b9-7888-82d3-4498cef332b3 01998246-99b9-7ad8-aee5-36ddc8a7871c 01998246-99b9-7490-8410-8e2e092fb1bb 01998246-99b9-7282-bb51-f16d013c73ee 01998246-99b9-7736-95fc-a1b000923a1e 01998246-99b9-728e-b508-0286eee53ffc 01998246-99b9-7f81-b8ef-7b092151374b 01998246-99b9-7381-a6ec-bedbcb769e0e 01998246-99b9-77ea-933d-b785018a6447 01998246-99b9-781d-a514-36947ce7e74c 01998246-99b9-7bd2-8f2d-97a62fb187bf 01998246-99b9-7f14-9821-276eca6b9209 01998246-99b9-75ed-96a9-41ffadafaf72 01998246-99b9-7839-a824-0c7822135457 01998246-99b9-7522-b272-a4a622b1d2a7 01998246-99b9-7c0c-977e-be625bdee127 01998246-99b9-73a9-8276-7751619a7b90 01998246-99b9-7fc0-8202-26ec75ae73e8 01998246-99b9-75e8-aaeb-2e470d60d316 01998246-99b9-79f6-9652-9081d718fdb9 01998246-99b9-75d7-b69a-7e7c66075e5c 01998246-99b9-7abd-bd01-92c9f8c63bd7 01998246-99b9-7599-a428-0d9e71853c27 01998246-99b9-75c3-b777-b7af68e45e73 01998246-99b9-703d-a91e-6ccd51dc3200 01998246-99b9-703d-bb91-92a125d1b320 01998246-99b9-7128-960b-a29a29ff4700 01998246-99b9-7cae-b9b2-e586e70fd79e 01998246-99b9-75ed-a0b2-6546854399f8 01998246-99b9-75a8-8692-5679903ffe33 01998246-99b9-7077-bd2f-d71f6e8ac270 01998246-99b9-7f5f-9b40-f25c027a4dfe 01998246-99b9-725d-a68a-319765b0797d 01998246-99b9-750b-a1c1-6cc45019c97e 01998246-99b9-71f5-bddf-11ce2bc096b2 01998246-99b9-7b41-95bb-105f9e9f87cb 01998246-99b9-76ec-abf5-f66685799158 01998246-99b9-7f6a-9899-8833396aa52d 01998246-99b9-7418-bd2c-e9ce1280f1a3 01998246-99b9-721a-a24c-1148f8c9e9da 01998246-99b9-7ad6-96aa-722641054acd 01998246-99b9-7145-a91f-63768b005d71 01998246-99b9-7388-ab76-23fe9bffed60 01998246-99b9-72e6-855d-e188d744e828 01998246-99b9-7d69-94e7-4d86d5c93fae 01998246-99b9-7d96-a7b9-02ecbaf9d43e 01998246-99b9-755c-b805-3916a2d39c03 01998246-99b9-742f-bdef-a0c50cb4cdde 01998246-99b9-7889-ab4c-2442d153a32d 01998246-99b9-72b0-af3e-e79a41c797ca 01998246-99b9-7cde-9fcc-f1568898771e 01998246-99b9-7f44-93df-00774e5d18e0 01998246-99b9-7021-8126-52fe00ba25c5 01998246-99b9-7b51-a6db-00da022f6542 01998246-99b9-765f-967a-413d98201060 01998246-99b9-7d4e-b1b4-8812e09dfb65 01998246-99b9-77b3-a27e-c31e31388c0f 01998246-99b9-775e-8833-1995a697812d 01998246-99b9-7968-a798-f831d47ed0d8 01998246-99b9-7818-aad7-b34aef6fe4c6 01998246-99b9-7104-9c36-4ac49bf89790 01998246-99b9-7bef-8490-90a37996ddad 01998246-99b9-7719-a889-8d2886254279 01998246-99b9-7d95-bb6c-3e1c5ea6e62e 01998246-99b9-71cc-a9d7-caf59680fcd9 01998246-99b9-7132-85aa-b8bd655fc623 01998246-99b9-738c-9bf4-1477383aae58 01998246-99b9-7234-999e-5afdf7fc7f9a 01998246-99b9-7982-9a03-db826aa0242c 01998246-99b9-7d27-9484-94bbb8e68e01 01998246-99b9-7769-9e80-fe01f91d28f8 01998246-99b9-733f-ba8b-60441a9cc374 01998246-99b9-7946-b843-3f3c1202f41c 01998246-99b9-7847-b2ae-10d7367f0842 01998246-99b9-7bf2-a5da-45a53ac7994f 01998246-99b9-77ff-9ec5-b8cfb3037386 01998246-99b9-7916-b7ef-63509bdabd10 01998246-99b9-76c6-ba7f-32ad0625e315 01998246-99b9-74df-b944-482ede44420d 01998246-99b9-7980-a13b-2d5951ef81f8 01998246-99b9-7c56-92e5-49e75201818d 01998246-99b9-77b2-aa08-856d4e0c4972 01998246-99b9-7e34-879a-93608fd461be 01998246-99b9-7a19-abf2-05cab56b079d 01998246-99b9-79d4-ae79-9ace8aa9fbff 01998246-99b9-7636-8b28-d22df1e4c0d4 01998246-99b9-73f3-982b-e83a311afacc 01998246-99b9-7cbd-a9e4-55e82b1491c4 01998246-99b9-72c6-9316-112805cc96ac

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