claude-anki-quiz.php

claude-anki-quiz.php

#!/usr/bin/env php
<?php

// ANSI escape codes for terminal formatting
$reset = "\033[0m";
$green = "\033[32m";
$red = "\033[31m";
$yellow = "\033[33m";
$cyan = "\033[36m";
$bold = "\033[1m";

// Clear the screen at start
echo "\033[2J\033[;H";

// 1. Resolve API key
$apiKey = getenv('OPENAI_API_KEY');
if (!$apiKey) {
    echo "{$yellow}{$bold}No OPENAI_API_KEY found in your environment variables.{$reset}\n";
    echo "Please paste your OpenAI API Key: ";
    $apiKey = trim(fgets(STDIN));
    if (empty($apiKey)) {
        echo "{$red}API key is required. Exiting.{$reset}\n";
        exit(1);
    }
}

echo "\033[2J\033[;H";
echo "{$cyan}{$bold}================================================={$reset}\n";
echo "📡 CONNECTING TO LLM GENERATION LAYER (PHP CLI)\n";
echo "{$cyan}{$bold}================================================={$reset}\n";
echo "Generating fresh Claude API questions...\n\n";

// 2. Prepare Payload for OpenAI/pi.dev Endpoint
$url = 'https://api.openai.com/v1/chat/completions';
$payload = [
    'model' => 'gpt-4o-mini',
    'messages' => [
        [
            'role' => 'system',
            'content' => 'You are an expert technical interviewer testing developers on the Anthropic Claude API, prompt caching, tokens, and agentic loops. Generate exactly 3 advanced questions. Return ONLY a JSON object containing an array named "questions". Each item must have: "question", "key_phrase" (the concept to remember), and "explanation".'
        ],
        [
            'role' => 'user',
            'content' => 'Generate a new distinct batch of advanced quiz items.'
        ]
    ],
    'response_format' => ['type' => 'json_object']
];

// 3. Native cURL Request (No dependencies needed)
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Content-Type: application/json',
    'Authorization: Bearer ' . $apiKey
]);

$response = curl_exec($ch);
if (curl_errno($ch)) {
    echo "{$red}Curl Error: " . curl_error($ch) . "{$reset}\n";
    exit(1);
}
curl_close($ch);

// 4. Parse response
$data = json_decode($response, true);
$questionsBlock = json_decode($data['choices'][0]['message']['content'] ?? '{}', true);
$questions = $questionsBlock['questions'] ?? [];

if (empty($questions)) {
    echo "{$red}Failed to parse questions from LLM payload. Try again.{$reset}\n";
    exit(1);
}

// 5. Run the Quiz Loop
echo "\033[2J\033[;H";
echo "{$green}{$bold}✨ Questions Loaded! Starting Practice Run...{$reset}\n\n";

foreach ($questions as $index => $item) {
    $currentNum = $index + 1;
    $total = count($questions);
    
    echo "{$bold}Question {$currentNum}/{$total}:{$reset}\n";
    echo "{$cyan}{$item['question']}{$reset}\n\n";
    
    echo "{$yellow}Type your answer or memory phrase:{$reset} ";
    $userAttempt = trim(fgets(STDIN));
    
    echo "\n-------------------------------------------------\n";
    echo "{$bold}Key Phrase to Remember:{$reset} {$green}{$bold}{$item['key_phrase']}{$reset}\n";
    echo "{$bold}Explanation:{$reset} {$item['explanation']}\n";
    echo "-------------------------------------------------\n\n";
    
    echo "Did your answer align with the core phrase? (y/n): ";
    $evaluation = trim(fgets(STDIN));
    
    if (strtolower(substr($evaluation, 0, 1)) === 'y') {
        echo "👍 {$green}Nice job! Concept retained.{$reset}\n";
    } else {
        echo "💡 {$yellow}No worries. Focus on the core key phrase.{$reset}\n";
    }
    
    echo "\nPress Enter to proceed...";
    fgets(STDIN);
    echo "\033[2J\033[;H"; // Clear screen for next question
}

echo "{$bold}{$green}================================================={$reset}\n";
echo "🏁 Practice session closed. Run again for a new batch!\n";
echo "{$bold}{$green}================================================={$reset}\n\n";