pg_connect_poll

(PHP 5 >= 5.6.0)

pg_connect_poll — Poll the status of an in-progress asynchronous PostgreSQL connection attempt.

说明

int pg_connect_poll ([ resource $connection ] )

pg_connect_poll() polls the status of a PostgreSQL connection created by calling pg_connect() with the PGSQL_CONNECT_ASYNC option.

参数

connection: PostgreSQL database connection resource.

返回值

Returns PGSQL_POLLING_FAILED , PGSQL_POLLING_READING , PGSQL_POLLING_WRITING , PGSQL_POLLING_OK , or PGSQL_POLLING_ACTIVE .