socket_last_error

socket_last_error

Returns the last error on the socket

int **socket_last_error**  $socket

If a instance is passed to this function, the last error which occurred on this particular socket is returned. If is null, the error code of the last failed socket function is returned. The latter is particularly helpful for functions like which don't return a socket on failure and which can fail for reasons not directly tied to a particular socket. The error code is suitable to be fed to which returns a string describing the given error code. Socket``socket``socket_create``socket_select``socket_strerror

If no error had occurred, or the error had been cleared with , the function returns . socket_clear_error``0

socket A instance created with . Socket``socket_create

This function returns a socket error code.

Voorbeeld: example

<?php
$socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

if ($socket === false) {
    $errorcode = socket_last_error();
    $errormsg = socket_strerror($errorcode);
    
    die("Couldn't create socket: [$errorcode] $errormsg");
}
?>

Opmerking: > does not clear the error code, use for this purpose. socket_last_error``socket_clear_error