Switch on/off the instant flushing

# Yaf_Dispatcher::flushInstantly

(Yaf >=1.0.0)

Yaf_Dispatcher::flushInstantly — Switch on/off the instant flushing

### Description

public Yaf_Dispatcher::flushInstantly(bool `$flag` = ?): Yaf_Dispatcher

### Parameters

`flag`

  bool

  > Note:

  > since 2.2.0, if this parameter is not given, then the current state will be returned

### Return Values

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