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</script>
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</script>
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<p><a id="uuidv7_info_button" href="javascript:show_uuidv7_info()">Show format</a>
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<p><a id="uuidv7_info_button" href="javascript:show_uuidv7_info()">Show format</a>
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<pre id="uuidv7_info" style="display:none">Variant 1, Version 7 UUID:
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<pre id="uuidv7_info" style="display:none">Variant 1, Version 7 UUID:
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- 48 bit <abbr title="Count of 1ms intervals passed since 1 Jan 1970 00:00:00 GMT">Unix Time in milliseconds</abbr>
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- 48 bit <abbr title="Count of 1ms intervals passed since 1 Jan 1970 00:00:00 GMT">Unix Time in milliseconds</abbr>
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-  4 bit Version (fix 0x7)
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-  4 bit Version (fix 0x7)
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- 12 bit Random
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- 12 bit Data
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-  2 bit Variant (fix 0b10)
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-  2 bit Variant (fix 0b10)
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- 62 bit Random</pre></p>
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- 62 bit Data
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Structure of data (74 bits):
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- OPTIONAL : Sub-millisecond timestamp fraction (0-12 bits)
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- OPTIONAL : Carefully seeded counter
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- Random generated bits for any remaining space
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Time resolution for various sub-millisecond bits:
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<?php
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for ($num_ms_frac_bits=0; $num_ms_frac_bits<=12; $num_ms_frac_bits++) {
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        $resolution_ns = 1000000 / pow(2,$num_ms_frac_bits);
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        if ($resolution_ns >= 1000000) $resolution_ns_hf = ($resolution_ns/1000000)." ms";
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        else if ($resolution_ns >= 1000) $resolution_ns_hf = ($resolution_ns/1000)." &micro;s";
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        else $resolution_ns_hf = "$resolution_ns ns";
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        echo "$num_ms_frac_bits bits fraction = $resolution_ns_hf\n";
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}
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?>
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</pre></p>
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<?php
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<?php
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<pre>';
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        echo '<pre>';
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        for ($i=0; $i<10; $i++) {
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        for ($i=0; $i<AUTO_NEW_UUIDS; $i++) {
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                $uuid = gen_uuid_v7();
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                $uuid = gen_uuid_v7();
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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        }
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        }
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        echo '</pre>';
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        echo '</pre>';
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}
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}
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<?php
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<?php
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<pre>';
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        echo '<pre>';
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        for ($i=0; $i<10; $i++) {
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        for ($i=0; $i<AUTO_NEW_UUIDS; $i++) {
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                $uuid = gen_uuid_v6();
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                $uuid = gen_uuid_v6();
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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        }
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        }
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        echo '</pre>';
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        echo '</pre>';
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}
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}
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<?php
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<?php
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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        echo '<pre>';
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        echo '<pre>';
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        for ($i=0; $i<10; $i++) {
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        for ($i=0; $i<AUTO_NEW_UUIDS; $i++) {
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                $uuid = gen_uuid_v4();
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                $uuid = gen_uuid_v4();
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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                echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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        }
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        }
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        echo '</pre>';
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        echo '</pre>';
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}
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}
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<?php
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<?php
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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if (AUTO_NEW_UUIDS > 0) { /** @phpstan-ignore-line */
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    echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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    echo '<p>Here are '.AUTO_NEW_UUIDS.' UUIDs that were created just for you! (Reload the page to get more)</p>';
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    echo '<pre>';
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    echo '<pre>';
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    for ($i=0; $i<10; $i++) {
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    for ($i=0; $i<AUTO_NEW_UUIDS; $i++) {
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        $uuid = gen_uuid_v1();
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        $uuid = gen_uuid_v1();
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        echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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        echo '<a href="interprete_uuid.php?uuid='.$uuid.'">'.$uuid.'</a><br>';
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    }
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    }
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    echo '</pre>';
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    echo '</pre>';
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}
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}