ext-uv/examples/tty.php

<?php

uv_fs_open(uv_default_loop(), "/dev/tty", UV::O_RDONLY, 0, function($fd) {
    $tty = uv_tty_init(uv_default_loop(), $fd, 1);
    var_dump(uv_tty_get_winsize($tty, $width, $height));
    var_dump($width, $height);
});

uv_run();