PHP: socket_strerror - Manual

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Last updated: Sat, 27 Jan 2007

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# socket_strerror

(PHP 4 >= 4.1.0, PHP 5)

socket_strerror -- Return a string describing a socket error

## Description

string socket_strerror ( int errno )

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.

Пример 1. socket_strerror() example

`<?php
if (false == ($socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) {
echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n";
}
if (false == (@socket_bind($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

See also socket_accept(), socket_bind(), socket_connect(), socket_listen(), and socket_create().

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Last updated: Sat, 27 Jan 2007
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