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<?php
define('laby_name_Void', 0);
define('laby_name_Wall', 1);
define('laby_name_Rock', 2);
define('laby_name_Web', 3);
define('laby_name_Exit', 4);
define('laby_name_Unknown', 5);
function output($s) {
echo $s . PHP_EOL;
}
function check($s, $expected) {
return $s === ($expected . PHP_EOL);
}
function input() {
$line = fgets(STDIN);
if (check($line, 'quit')) {
exit(0);
}
return $line;
}
function laby_name_left() {
output('left');
input();
}
function laby_name_right() {
output('right');
input();
}
function laby_name_forward() {
output('forward');
input();
}
function laby_name_take() {
output('take');
input();
}
function laby_name_drop() {
output('drop');
input();
}
function laby_name_escape() {
output('escape');
input();
}
function laby_name_say( $s ) {
output('say ' . $s);
input();
}
function laby_name_look() {
output('look');
$ans = input();
if (check($ans, 'void')) {
return laby_name_Void;
}
if (check($ans, 'wall')) {
return laby_name_Wall;
}
if (check($ans, 'rock')) {
return laby_name_Rock;
}
if (check($ans, 'web')) {
return laby_name_Web;
}
if (check($ans, 'exit')) {
return laby_name_Exit;
}
return laby_name_Unknown;
}
output('start');
input();
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