1--TEST-- 2Test socket_addrinfo_lookup() 3--EXTENSIONS-- 4sockets 5--FILE-- 6<?php 7try { 8 $addrinfo = socket_addrinfo_lookup('127.0.0.1', 2000, array( 9 'ai_family' => AF_INET, 10 'ai_socktype' => SOCK_DGRAM, 11 'invalid' => null, 12 )); 13 var_dump($addrinfo[0]); 14} catch (\ValueError $e) { 15 echo $e->getMessage(), \PHP_EOL; 16} 17?> 18--EXPECT-- 19socket_addrinfo_lookup(): Argument #3 ($hints) must only contain array keys "ai_flags", "ai_socktype", "ai_protocol", or "ai_family" 20