(4.0.2 - 4.0.6 only)
strerror -- Return a string describing a socket error
Description
string
strerror ( int errno)
strerror() takes as its
errno parameter the return value of one of
the socket functions, 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 strerror(), and it tells you
what happened.
예 1. strerror() example <?php
if (($socket = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
echo "socket() failed: reason: " . strerror ($socket) . "\n";
}
if (($ret = bind ($socket, '127.0.0.1', 80)) < 0) {
echo "bind() failed: reason: " . strerror ($ret) . "\n";
}
?> |
The expected output from the above example (assuming the script
is not run with root privileges):
bind() failed: reason: Permission denied |
|
See also
accept_connect(),
bind(),
connect(),
listen(),
socket(), and
socket_get_status().