(PHP 5 >= 5.6.0, PHP 7)
pg_connect_poll — 锟斤拷锟节斤拷锟叫筹拷锟斤拷锟斤拷询 PostgreSQL 锟斤拷锟斤拷状态锟斤拷
$connection
] ) : int
pg_connect_poll() 锟斤拷询使锟斤拷 pg_connect() 锟斤拷锟斤拷锟斤拷 PostgreSQL 锟斤拷锟斤拷状态锟斤拷锟斤拷锟斤拷
PGSQL_CONNECT_ASYNC 选锟斤拷
connectionPostgreSQL 锟斤拷锟捷匡拷锟斤拷锟斤拷锟斤拷源
锟斤拷锟截筹拷锟斤拷 PGSQL_POLLING_FAILED,
PGSQL_POLLING_READING,
PGSQL_POLLING_WRITING,
PGSQL_POLLING_OK, 锟斤拷锟斤拷
PGSQL_POLLING_ACTIVE.