ftell

reactphp/event-loop

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8

Returns the current position of the file read/write pointer

<?php ftell(resource $stream): int|false

<?php             if (\DIRECTORY_SEPARATOR === '\\') {

                $except = array();

                foreach ($write as $key => $socket) {

                    if (!isset($read[$key]) && @\ftell($socket) === 0) {

                        $except[$key] = $socket;

                    }

                }

src/StreamSelectLoop.php