PHP - Manual: socket_addrinfo_lookup
2024-11-15
socket_addrinfo_lookup
(PHP 7 >= 7.2.0, PHP 8)
socket_addrinfo_lookup — Get array with contents of getaddrinfo about the given hostname
说明
socket_addrinfo_lookup(string
$host, ?string $service = null, array $hints = []): array|false
Lookup different ways we can connect to host. The returned array contains
a set of AddressInfo instances 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 AddressInfo instances that can be used with the other socket_addrinfo functions.
On failure, false is returned.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | On success, this function returns a array of AddressInfo instances now; previously, an array of resources was returned. |
| 8.0.0 |
service is nullable now.
|
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
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官方地址：https://www.php.net/manual/en/function.socket-addrinfo-lookup.php
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