Creates EvChild object associated with the current event loop

# EvLoop::child

(PECL ev >= 0.2.0)

EvLoop::child — Creates EvChild object associated with the current event loop

### 説明

final public EvLoop::child ( string `$pid` , string `$trace` , string `$callback` [, string `$data` [, string `$priority` ]] ) : EvChild

Creates EvChild object associated with the current event loop.

### パラメータ

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

### 返り値

Returns EvChild object on success.

### 参考

- EvChild::__construct() - EvChild ウォッチャーオブジェクトを作る