1--TEST-- 2void socket_clear_error ([ resource $socket ] ) ; 3--CREDITS-- 4marcosptf - <marcosptf@yahoo.com.br> - #phparty7 - @phpsp - novatec/2015 - sao paulo - br 5--EXTENSIONS-- 6sockets 7--SKIPIF-- 8<?php 9 10if (substr(PHP_OS, 0, 3) == 'WIN' ) { 11 die('skip non-windows only test'); 12} 13?> 14--FILE-- 15<?php 16$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); 17socket_set_option($socket, -1, -1, -1); 18var_dump(socket_last_error($socket)); 19socket_clear_error($socket); 20var_dump(socket_last_error($socket)); 21?> 22--EXPECTF-- 23Warning: socket_set_option(): Unable to set socket option [%s]: %s in %s on line %d 24int(%d) 25int(0) 26