gailole/php-project-45

#!/usr/bin/env php
<?php
require_once __DIR__ . '/../../vendor/autoload.php';

use function PhpProject45\Cli\sayName;
use function cli\prompt;

$name = sayName();//определяем имя игрока
print_r("Let's play a game where I have to guess the number from the segment [a:b]\n");
$a = (int) prompt("Set please the beginning of the segment a");
$b = (int) prompt("Set please the end of the segment b");
$segment = [];
while ($a <= $b) {
    $segment[] = $a;
    $a += 1;
}
print_r("Now I will ask questions, if the statement is true, answer 'yes' else 'no'\n");

function findItem($segment) {
    $low = 0;
    $high = count($segment)-1;
    $mid = (int) (($low + $high) / 2);
//    $mid = rand($low, $high);
    $answer = prompt("This number is greater than $segment[$mid]?");
    $buf = [];
    if ($answer === "yes") {
        for ($i = $mid + 1; $i <= $high; $i++) {
            $buf[] = $segment[$i];
        }
    } else {
        for ($i = 0; $i <= $mid; $i++) {
            $buf[] = $segment[$i];
        }
    }
    if (count($buf) === 2) {
        $answer = prompt("This number is $buf[0]?");
        if ($answer !== 'yes') {
            $answer = prompt("This number is $buf[1]?");
        }
        print_r("EasyPeasy");
    } elseif (count($buf) === 1){
        $answer = prompt("This number is $buf[0]?");
        if ($answer === 'yes') {
            print_r("EasyPeasy");
        }
    }else {
        findItem($buf);
    }
}
findItem($segment);