as2252258@163.com
23 lines
355 B
PHP
23 lines
355 B
PHP
<?php
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namespace Snowflake\Core;
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class Number
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{
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/**
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* @param int $userId
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* @return string
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*/
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public static function order(int $userId): string
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{
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$explode = current(explode(' ', str_replace('0.', '', microtime())));
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return 'No.' . sprintf('%09d', $userId) . '.' . date('Ymd.His') . '.' . $explode;
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}
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}
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