Online PHP editor | refs for 0gmr0

<?php var_dump($x = fopen("data:text/plain,trololololo", 'r+')); var_dump(fwrite($x, '123'), rewind($x)); var_dump(stream_get_contents($x)); echo "\r\n"; var_dump($x = fopen("data:text/plain,trololololo", 'w+')); var_dump(fwrite($x, '123'), rewind($x)); var_dump(stream_get_contents($x)); echo "\r\n"; var_dump($x = fopen("data:text/plain,trololololo", 'a+')); var_dump(fwrite($x, '123'), rewind($x)); var_dump(stream_get_contents($x)); echo "\r\n";