(PHP 5 >= 5.6.0, PHP 7, PHP 8)
pg_flush — Flush outbound query data on the connection
pg_flush() flushes any outbound query data waiting to be sent on the connection.
connectionAn PgSql\Connection instance.
   Returns true if the flush was successful or no data was waiting to be
   flushed, 0 if part of the pending data was flushed but
   more remains o false in caso di fallimento.
  
| Versione | Descrizione | 
|---|---|
| 8.1.0 | The connectionparameter expects an PgSql\Connection
  instance now; previously, a resource was expected. | 
