Creates EvPeriodic watcher object associated with the current event loop instance

# EvLoop::periodic

(PECL ev >= 0.2.0)

EvLoop::periodic — Creates EvPeriodic watcher object associated with the current event loop instance

### 说明

final public function EvLoop::periodic(
float `$offset` ,
float `$interval` ,
callable `$callback` ,
mixed `$data` = `null` ,
int `$priority` = 0
): EvPeriodic

Creates EvPeriodic watcher object associated with the current event loop instance

### 参数

All parameters have the same meaning as for EvPeriodic::__construct()

### 返回值

Returns EvPeriodic object on success.

### 参见

- EvPeriodic::__construct() - Constructs EvPeriodic watcher object

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