(PHP 7 >= 7.2.0, PHP 8)

socket_addrinfo_lookupGet array with contents of getaddrinfo about the given hostname


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().



Hostname to search.


The service to connect to. If service is a numeric string, it designates the port. Otherwise it designates a network service name, which is mapped to a port by the operating system.


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

Valor Retornado

Returns an array of AddressInfo instances that can be used with the socket_addrinfo_()* family of functions. On failure, false is returned.

Registro de Alterações

Versão Descrição
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.

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