# socket_addrinfo_lookup

(PHP 7 >= 7.2.0)

socket_addrinfo_lookup — Get array with contents of getaddrinfo about the given hostname

### 说明

socket_addrinfo_lookup ( string `$host` [, string `$service` [, array `$hints` ]] ) : array

Lookup different ways we can connect to `host`. The returned array contains a set of resources that we can bind to using socket_addrinfo_bind().

### 参数

`host`

  Hostname to search.

`service`

  The service to connect to. If service is a name, it is translated to the corresponding port number.

`hints`

  Hints provide criteria for selecting addresses returned. You may specify the hints as defined by getadrinfo.

### 返回值

Returns an array of AddrInfo resource handles that can be used with the other socket_addrinfo functions.

### 参见

- socket_addrinfo_bind() - Create and bind to a socket from a given addrinfo
- socket_addrinfo_connect() - Create and connect to a socket from a given addrinfo
- socket_addrinfo_explain() - Get information about addrinfo