PHP ʖ²ἯTH º󍋼/A socket_strerror Description ¾¯¸漯B socket_strerror() takes as its errno parameter a socket error code as returned by socket_last_error() and returns the corresponding explanatory text. This makes it a bit more pleasant to figure out why something didn't work; for instance, instead of having to track down a system include file to find out what '-111' means, you just pass it to socket_strerror(), and it tells you what happened. =ד 1. socket_strerror() example ?php if (false == ($socket = @socket_create(AF_INET, SOCK_STREAM, 0))) {echo "socket_create() failed: reason: ". socket_strerror(socket_last_error()). "\n";} if (false == (@socket_bind($socket, '127.0.0.1', 80))) {echo "socket_bind() failed: reason:". socket_strerror(socket_last_error($socket)). "\n";}? The expected output from the above example (assuming the script is not run with root privileges): socket_bind() failed: reason: Permission denied º󍋼/A ưµ㼯A socket_shutdown ɏһ¼¶ socket_write