Online PHP editor | perf for 4GGth

@ 2019-03-03T15:59:01Z

<?php

abstract class AbstractQuestion 
{
    public $text;
    public $points;
    public $hint;
    public $correctAnswer;

    abstract function checkAnswer($answer);
    abstract function printQuestion();
}

class ChoiceQuestion extends AbstractQuestion
{
    public $answers = array(); 

    public function __construct(string $text, array $answers, string $correctAnswer, string $hint, int $points) {
        $this->text = $text;
        $this->answers = $answers;
        $this->correctAnswer = $correctAnswer;
        $this->hint = $hint;
        $this->points = $points;
    }

    public function printQuestion() {
        echo $this->text."\n";
        echo "Варианты ответа:\n";
        foreach ($this->answers as $key => $answer) {
            echo "$key. $answer\n";
        }
        echo "\n";
    }
    
    public function checkAnswer($answer) {
        if ($answer == $this->correctAnswer) {
            return TRUE;
        } else {
            return FALSE;
        }
    }
}

class NumericQuestion extends AbstractQuestion
{
    public $deviation; 

    public function __construct(string $text, int $correctAnswer, int $deviation, string $hint, int $points) {
        $this->text = $text;
        $this->correctAnswer = $correctAnswer;
        $this->deviation = $deviation;
        $this->hint = $hint;
        $this->points = $points;      
    }

    public function printQuestion() {
        echo $this->text, "\n\n";
    }
    
    public function checkAnswer($answer) {
        if ($answer <= $this->correctAnswer + $this->deviation && $answer >= $this->correctAnswer - $this->deviation) {
            return TRUE;
        } else {
            return FALSE;
        }
    }
}

function printQuestions(array $questions) {
    foreach ($questions as $key => $question) {
        echo $key + 1;
        echo ". ";
        $question->printQuestion();
    }
}

function checkAnswers (array $answers, array $questions) {
    $maxPoints = 0;
    $points = 0;
    $countOfCorrentAnswers = 0;
    $maxAnswers = 0;

    foreach ($questions as $key => $question) {
        if ($question->checkAnswer($answers[$key]) == TRUE) {
            $points += $question->points;
            $countOfCorrentAnswers++;
        } else {
            echo "Неправильный ответ на вопрос №";
            echo $key + 1;
            echo " ($question->text)\n";
            echo "Подсказка: $question->hint\n";
        }
        $maxPoints += $question->points;
        $maxAnswers++;
    }
    echo "\nПравильных ответов: $countOfCorrentAnswers из $maxAnswers, баллов набрано: $points из $maxPoints";
}

$q1 = new ChoiceQuestion ("Какая планета располагается четвертой по счету от Солнца?", array('a' => 'Венера', 'b' => 'Марс', 'c' => 'Юпитер', 'd' => 'Меркурий'), 'b', "Красная планета", 10);
$q2 = new ChoiceQuestion ("Какой город является столицей Великобритании?", array('a' => 'Париж', 'b' => 'Москва', 'c' => 'Нью-Йорк', 'd' => 'Лондон'), 'd', "Там ещё королева есть", 5);
$q3 = new NumericQuestion ("Чему равна скорость света в км/с?", 300000, 1000, "Отсоси у тракториста", 10);
$q4 = new ChoiceQuestion ("Кто придумал теорию относительности?", array('a' => 'Джон Леннон', 'b' => 'Джим Моррисон', 'c' => 'Альберт Эйнштейн', 'd' => 'Исаак Ньютон'), 'c', "Показывал язык", 30);

$questions = array($q1, $q2, $q3, $q4);
printQuestions($questions);

$answers = array('b', 'c', 299000, 'c');
checkAnswers($answers, $questions);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.022	0.006	16.88
8.3.5	0.012	0.009	18.04
8.3.4	0.012	0.004	18.80
8.3.3	0.011	0.004	18.63
8.3.2	0.005	0.003	20.99
8.3.1	0.000	0.009	20.53
8.3.0	0.003	0.006	20.90
8.2.18	0.006	0.009	18.28
8.2.17	0.016	0.006	22.96
8.2.16	0.015	0.000	22.96
8.2.15	0.000	0.008	24.18
8.2.14	0.003	0.005	24.66
8.2.13	0.008	0.000	26.16
8.2.12	0.004	0.004	20.35
8.2.11	0.003	0.006	21.13
8.2.10	0.004	0.008	17.88
8.2.9	0.004	0.004	17.96
8.2.8	0.003	0.006	18.03
8.2.7	0.000	0.009	17.93
8.2.6	0.005	0.003	18.03
8.2.5	0.004	0.004	18.10
8.2.4	0.004	0.004	19.30
8.2.3	0.004	0.004	19.34
8.2.2	0.004	0.004	18.15
8.2.1	0.004	0.004	19.57
8.2.0	0.004	0.004	18.14
8.1.27	0.008	0.000	20.45
8.1.26	0.008	0.000	26.35
8.1.25	0.008	0.000	28.09
8.1.24	0.003	0.006	22.46
8.1.23	0.007	0.004	20.97
8.1.22	0.005	0.003	17.74
8.1.21	0.000	0.008	18.85
8.1.20	0.003	0.007	17.25
8.1.19	0.008	0.000	17.29
8.1.18	0.004	0.004	18.10
8.1.17	0.004	0.004	18.66
8.1.16	0.002	0.005	18.81
8.1.15	0.000	0.007	18.91
8.1.14	0.000	0.008	20.20
8.1.13	0.007	0.000	17.39
8.1.12	0.000	0.007	17.49
8.1.11	0.000	0.007	17.49
8.1.10	0.000	0.008	17.50
8.1.9	0.004	0.004	17.43
8.1.8	0.003	0.006	17.39
8.1.7	0.004	0.004	17.54
8.1.6	0.006	0.003	17.63
8.1.5	0.000	0.008	17.56
8.1.4	0.000	0.008	17.54
8.1.3	0.003	0.005	17.68
8.1.2	0.003	0.006	17.68
8.1.1	0.007	0.003	17.50
8.1.0	0.000	0.009	17.36
8.0.30	0.004	0.004	19.63
8.0.29	0.009	0.000	16.63
8.0.28	0.007	0.000	18.49
8.0.27	0.003	0.003	16.77
8.0.26	0.000	0.007	16.86
8.0.25	0.003	0.003	16.99
8.0.24	0.000	0.007	16.98
8.0.23	0.003	0.003	17.00
8.0.22	0.003	0.003	16.96
8.0.21	0.004	0.004	16.85
8.0.20	0.005	0.003	17.02
8.0.19	0.003	0.005	16.89
8.0.18	0.004	0.004	16.98
8.0.17	0.009	0.000	16.99
8.0.16	0.002	0.005	17.03
8.0.15	0.004	0.004	16.82
8.0.14	0.000	0.007	16.91
8.0.13	0.000	0.005	13.31
8.0.12	0.000	0.008	16.92
8.0.11	0.004	0.004	16.95
8.0.10	0.007	0.000	16.77
8.0.9	0.004	0.004	16.86
8.0.8	0.004	0.011	16.85
8.0.7	0.000	0.007	16.91
8.0.6	0.000	0.008	16.80
8.0.5	0.004	0.004	16.88
8.0.3	0.010	0.010	17.17
8.0.2	0.006	0.013	17.40
8.0.1	0.000	0.007	17.08
8.0.0	0.009	0.011	16.74
7.4.33	0.000	0.006	15.55
7.4.32	0.000	0.007	16.47
7.4.30	0.000	0.006	16.54
7.4.29	0.003	0.005	16.62
7.4.28	0.000	0.009	16.64
7.4.27	0.004	0.008	16.51
7.4.26	0.005	0.003	16.63
7.4.25	0.003	0.003	16.49
7.4.24	0.000	0.007	16.59
7.4.23	0.000	0.007	16.65
7.4.22	0.003	0.005	16.28
7.4.21	0.010	0.007	16.56
7.4.20	0.007	0.000	16.38
7.4.16	0.013	0.006	16.57
7.4.14	0.014	0.005	17.86
7.4.13	0.035	0.025	16.38
7.4.12	0.013	0.009	16.54
7.4.11	0.012	0.007	16.82
7.4.10	0.000	0.018	16.55
7.4.9	0.011	0.008	16.44
7.4.8	0.005	0.011	19.39
7.4.7	0.009	0.006	16.51
7.4.6	0.003	0.012	16.48
7.4.5	0.011	0.004	16.66
7.4.4	0.013	0.010	16.22
7.4.0	0.007	0.010	15.17
7.3.33	0.005	0.000	13.38
7.3.32	0.000	0.006	13.37
7.3.31	0.004	0.004	16.29
7.3.30	0.005	0.003	16.41
7.3.29	0.003	0.003	16.41
7.3.28	0.009	0.008	16.35
7.3.26	0.013	0.007	16.49
7.3.24	0.010	0.008	16.47
7.3.23	0.006	0.010	16.70
7.3.21	0.007	0.010	16.45
7.3.20	0.003	0.015	16.33
7.3.19	0.013	0.006	16.39
7.3.18	0.015	0.004	16.64
7.3.17	0.006	0.012	16.39
7.3.16	0.016	0.000	16.51
7.3.2	0.069	0.007	14.77
7.3.1	0.072	0.000	14.75
7.3.0	0.068	0.003	14.91
7.2.33	0.008	0.010	16.77
7.2.32	0.013	0.010	16.86
7.2.31	0.017	0.000	16.81
7.2.30	0.009	0.009	16.54
7.2.29	0.005	0.014	16.95
7.2.15	0.087	0.006	15.33
7.2.14	0.059	0.007	14.90
7.2.13	0.053	0.010	15.17
7.2.12	0.056	0.007	15.08
7.2.11	0.059	0.007	15.21
7.2.10	0.060	0.000	15.18
7.2.9	0.058	0.007	14.87
7.2.8	0.051	0.010	14.99
7.2.7	0.070	0.003	15.05
7.2.6	0.079	0.010	15.31
7.2.5	0.081	0.013	14.93
7.2.4	0.059	0.003	15.09
7.2.3	0.056	0.006	15.25
7.2.2	0.082	0.010	15.23
7.2.1	0.069	0.000	15.23
7.2.0	0.063	0.003	15.18
7.1.25	0.047	0.013	14.14

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