(PECL ev >= 0.2.0)
EvLoop::prepare — Creates EvPrepare watcher object associated with the current event loop instance
final public EvLoop::prepare ( callable $callback [, mixed $data = null [, int $priority = 0 ]] ) : EvPrepare
Creates EvPrepare watcher object associated with the current event loop instance
All parameters have the same maening as for EvPrepare()
Returns EvPrepare object on success
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https://www.php.net/manual/en/evloop.prepare.php