- var_dump: documentation ( source)
- mb_detect_encoding: documentation ( source)
- fgets: documentation ( source)
- fwrite: documentation ( source)
- rewind: documentation ( source)
- fopen: documentation ( source)
<?php
$string = "\xEF\xBB\xBF\x22\x61\x22\x0A";
var_dump(mb_detect_encoding($string));
$stream = fopen('php://memory', 'w+');
fwrite($stream, $string);
rewind($stream);
var_dump(fgets($stream, 1000));