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SnowFlake-IdGenerator/PHP
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❄ idgenerator-php-extension

介绍

项目更多介绍参照:https://github.com/yitter/idgenerator

PHP环境

  • PHP7 or later

安装方式

git clone https://github.com/yitter/idgenerator.git
cd idgenerator/PHP
phpize
./configure --with-php-config=/path/php-config
make
make install

如何使用PHP

配置文件配置参数

//snowdrift.ini
snowdrift.Method=1 // 雪花计算方法,1-漂移算法|2-传统算法默认1
snowdrift.BaseTime=1582136402000 //基础时间ms单位不能超过当前系统时间
snowdrift.WorkerId=1 //机器码,必须由外部设定,最大值 2^WorkerIdBitLength-1
snowdrift.WorkerIdBitLength=6 //机器码位长默认值6取值范围 [1, 15](要求:序列数位长+机器码位长不超过22
snowdrift.SeqBitLength=6 //序列数位长默认值6取值范围 [3, 21](要求:序列数位长+机器码位长不超过22
snowdrift.MaxSeqNumber=0 //最大序列数(含),设置范围 [MinSeqNumber, 2^SeqBitLength-1]默认值0表示最大序列数取最大值2^SeqBitLength-1]
snowdrift.MinSeqNumber=5 //最小序列数默认值5取值范围 [5, MaxSeqNumber]每毫秒的前5个序列数对应编号0-4是保留位其中1-4是时间回拨相应预留位0是手工新值预留位
snowdrift.TopOverCostCount=2000 //最大漂移次数默认2000推荐范围 500-20000与计算能力有关

函数签名

\SnowDrift::NextId(int $wid=snowdrift.WorkerId):?int //获取单个id$wid可选默认值=snowdrift.WorkerId
\SnowDrift::NextNumId(int $num, int $wid=snowdrift.WorkerId):?array //获取$num个id$wid可选默认值=snowdrift.WorkerId

调用示例

$id=\SnowDrift::NextId();
$id=\SnowDrift::NextId(3);

$ids=\SnowDrift::NextNumId(10000);
$ids=\SnowDrift::NextNumId(10000,3);