socket_last_error
(PHP 4 >= 4.1.0)
socket_last_error -- Returns the last error on the socket
Description
int socket_last_error ( [resource socket])
Warning
This function is EXPERIMENTAL. The behaviour of this function,
the name of this function, and anything else documented
about this function may change without notice in a future
release of PHP. Use this function at your own risk.
This function returns a socket error code.
If a socket resource is passed to this function, the last
error which occurred on this particular socket is returned.
If the socket resource is omitted, the error code of the
last failed socket function is returned. The latter is in
particular helpful for functions like socket_create() which
don't return a socket on failure and socket_select() which
can fail for reasons not directly tied to a particular socket.
The error code is suitable to be fed to socket_strerror()
which returns a string describing the given error code.
<?php
if (false == ($socket = @socket_create(AF_INET, SOCK_STREAM,
SOL_TCP))) {
die("Couldn't create socket, error code is: "
. socket_last_error() .
",error message is: " . socket_strerror(socket_last_error()));
}
?>
Note: socket_last_error() does not clear the error code,
use socket_clear_error() for this purpose.
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