1.简介
框架对原生的毫秒级定时器进行了封装，以便开发者快速调用 Swoole 的原生定时器，定时器类的命名空间为 EasySwoole\Component\Timer
2.知识点
1.设置定时器
2.清除定时器
3.延时定时器
3.代码分析
最好对照es的手册进行分析。
class Timer
{use Singleton;/*** 定时器列表，key为swoole_timer_tick返回的id** @var array* CreateTime: 2019/6/27 下午1:20*/protected $timerList = [];/*** 定时器map，key为md5 name后的值** @var array* CreateTime: 2019/6/27 下午1:21*/protected $timerMap = [];/*** 添加定时器** @param int $ms 时间* @param callable $callback 回调函数* @param null $name 自定义定时器名称* @return int swoole_timer_tick返回的id* CreateTime: 2019/6/27 下午1:22*/function loop(int $ms, callable $callback, $name = null): int{// 添加定时器$id = swoole_timer_tick($ms, $callback);// 将定时器+入定时器列表$this->timerList[$id] = $id;// 如果自定义了定时器名称，则添加进mapif ($name !== null) {$this->timerMap[md5($name)] = $id;}return $id;}/*** 根据定时器的id或名称清除定时器** @param $timerIdOrName* @return bool* CreateTime: 2019/6/27 下午1:24*/function clear($timerIdOrName): bool{// 判断map和定时器列表中是否存在此定时器if (!isset($this->timerMap[md5($timerIdOrName)]) && !isset($this->timerList[$timerIdOrName])) {return false;}// 判断参数是否为原始定时器idif (is_numeric($timerIdOrName)) {// 定时器列表中是否存在if (isset($this->timerList[$timerIdOrName])) {// 清理定时器swoole_timer_clear($timerIdOrName);// map中是否存在$key = array_search($timerIdOrName, $this->timerMap);if ($key !== null) {// 清除相应mapunset($this->timerMap[$key]);}return true;}}$timerIdOrName = md5($timerIdOrName);// map中是否存在if (!isset($this->timerMap[$timerIdOrName])) {return false;}// 存在即删$id = $this->timerMap[$timerIdOrName];swoole_timer_clear($id);unset($this->timerList[$id]);unset($this->timerMap[$timerIdOrName]);return true;}/*** 清理所有定时器** @return bool* CreateTime: 2019/6/27 下午1:34*/function clearAll(): bool{// 遍历clear定时器foreach ($this->timerList as $id) {swoole_timer_clear($id);}// 释放相应存储$this->timerList = [];$this->timerMap = [];return true;}/*** 延时定时器** @param int $ms* @param callable $callback* @return int* CreateTime: 2019/6/27 下午1:34*/function after(int $ms, callable $callback): int{return swoole_timer_after($ms, $callback);}
}