ibase_wait_event — Wait for an event to be posted by the database
说明string ibase_wait_event ( string $event_name1 [, string $event_name2 [, string $... ]] ) string ibase_wait_event ( resource $connection , string $event_name1 [, string $event_name2 [, string $... ]] )
This function suspends execution of the script until one of the specified events is posted by the database. The name of the event that was posted is returned. This function accepts up to 15 event arguments.
The event name.
Returns the name of the event that was posted.