lte-exam-4.php

#!/usr/bin/php
<?php

$terms = [
    "下行物理过程有几个" => "5",
    "上行物理过程有几个" => "4",
    "手机开机，会马上涉及到什么物理过程" => "小区搜索过程",
    "小区切换，会涉及到什么物理过程" => "小区搜索过程",
    "小区切换，会涉及到什么物理过程" => "小区搜索过程",
    "UE开机经历了小区搜索过程，随机接入过程后，有其他UE向其拨号，首先会发生什么过程" => "寻呼过程",
    "小区搜索过程涉及到三个信道（中文表述，三个信道之间用中文逗号间隔）" => "同步信道，参考信道，广播信道",
    "主要完成用户信息在网络侧的注册，是什么物理过程" => "随机接入过程",
    "LTE功率控制，执行方需要对方反馈控制信息，称为" => "闭环功率控制",
    "LTE功率控制，执行方不需要对方反馈控制信息，称为" => "开环功率控制",
    "DRX的英文全称为" => "Discontinuous Reception",
    "ARQ的英文全称为" => "Automatic Repeat-reQuest",
    "FEC的英文全称为" => "Forward Error Correction",
    "HARQ重传机制有三种（中文表述，三钟机制之间用中文逗号间隔）" => "停止等待，回退，选择重传",
    "SAW的英文全称为" => "Stop-AND-Wait"
];

system("clear");
$name = readline("Input Your Exam Name（Like: 04-张三）: ");
system("date");
$time_start = time();
$count = count($terms);

echo PHP_EOL;
echo "Hello, $name!";
echo PHP_EOL;
$line = "Init";
$i = 0;

// while ($term = current($terms)) {
    // $key = key($terms);
while ($key = array_rand($terms)) {
    $term = $terms[$key];
	$i++;
    while ($line !== $term) {
        if ($line !== "Init") {
            echo "Wrong! Try again!" . PHP_EOL;
        }
        $line = readline("$i/$count. $key: ");
    }
    echo "Good!";
    $line = "Init";
    echo PHP_EOL;
    // next($terms);
    unset($terms[$key]);
}

system("date");
$time_end = time();
echo PHP_EOL;
$seconds = $time_end - $time_start;
echo "$name, you finished the test in " . $seconds . " seconds!";
echo PHP_EOL;
echo "Great!!!";
echo PHP_EOL;

$content = "$name: $seconds seconds, " . date('Y-m-d H:i:s', $time_end) . "\n";
file_put_contents("./lte-exam.log", $content, FILE_APPEND | LOCK_EX);

while (true) { readline(); }