lession.php

<?php

require_once "function.php";

function assertEquals($expected, $received, $message)
{
    if ($expected === $received)
    {
        echo $message." - passed".PHP_EOL;
    }
    else
    {
        echo $message." - failed".PHP_EOL;
    }
}

echo "Проверка функции Read_from_console на правильность исполнения".PHP_EOL;
echo "В конце программы можно проверить корректность ввода через консоль".PHP_EOL;

$result = readFromConsole("true");
assertEquals(true,$result,"test: true");

$result = readFromConsole("false");
assertEquals(false,$result,'test: false');

$result = readFromConsole("1");
assertEquals(1,$result,"test: 1");

$result = readFromConsole("2");
assertEquals(2,$result,"test: 2");

$result = readFromConsole("2.56");
assertEquals(2.56,$result,'test: 2.56');

$result = readFromConsole("test");
assertEquals("test",$result,"test: test");

$result = readFromConsole("!stop");
assertEquals(null,$result,"test: null");

$a = readFromConsole(trim(fgets(STDIN)));
var_dump($a);