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#!/usr/bin/env php
<?php
/**
* Memory Manager Agent Advanced Example
*
* Demonstrates advanced features including:
* - Memory expiration with TTL
* - Multi-agent memory sharing
* - Complex search scenarios
* - Memory analytics and optimization
* - Persistent storage integration
*/
require_once __DIR__ . '/../vendor/autoload.php';
use ClaudeAgents\Agents\MemoryManagerAgent;
use ClaudePhp\ClaudePhp;
use Psr\Log\AbstractLogger;
// Enhanced logger with memory tracking
class MemoryLogger extends AbstractLogger
{
private array $operations = [];
public function log($level, string|\Stringable $message, array $context = []): void
{
$timestamp = microtime(true);
$this->operations[] = [
'time' => $timestamp,
'level' => $level,
'message' => $message,
'context' => $context,
];
$time = date('H:i:s', (int)$timestamp);
$emoji = match ($level) {
'error' => 'β',
'warning' => 'β οΈ',
'info' => 'βΉοΈ',
default => 'π',
};
echo "[{$time}] {$emoji} {$message}\n";
}
public function getOperationCount(): int
{
return count($this->operations);
}
public function getOperations(): array
{
return $this->operations;
}
}
// Load environment
$dotenv = __DIR__ . '/../.env';
if (file_exists($dotenv)) {
$lines = file($dotenv, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach ($lines as $line) {
if (strpos(trim($line), '#') === 0) continue;
if (strpos($line, '=') === false) continue;
[$name, $value] = explode('=', $line, 2);
$_ENV[trim($name)] = trim($value);
}
}
$apiKey = $_ENV['ANTHROPIC_API_KEY'] ?? throw new RuntimeException('ANTHROPIC_API_KEY not set');
$client = new ClaudePhp(apiKey: $apiKey);
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "β Memory Manager Agent Advanced Example β\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$logger = new MemoryLogger();
// Example 1: Memory with TTL (Time To Live)
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 1: Memory Expiration with TTL\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$shortLivedAgent = new MemoryManagerAgent($client, [
'name' => 'ephemeral_memory',
'default_ttl' => 2.0, // 2 seconds
'logger' => $logger,
]);
$tempId = $shortLivedAgent->store('This memory will expire in 2 seconds');
echo "β±οΈ Stored ephemeral memory: {$tempId}\n";
echo "β
Immediate retrieval: " . $shortLivedAgent->retrieve($tempId) . "\n";
echo "π€ Waiting 2.5 seconds for expiration...\n";
sleep(3);
$expired = $shortLivedAgent->retrieve($tempId);
echo ($expired === null ? "β
Memory expired as expected\n" : "β Memory still exists\n");
echo "\n";
// Example 2: Multi-Agent Knowledge Sharing
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 2: Multi-Agent Memory Sharing\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
// Create specialized agents
$researchAgent = new MemoryManagerAgent($client, [
'name' => 'research_agent',
'logger' => $logger,
]);
$analysisAgent = new MemoryManagerAgent($client, [
'name' => 'analysis_agent',
'logger' => $logger,
]);
// Research agent gathers information
echo "π¬ Research Agent gathering information...\n";
$researchAgent->store(
'PHP 8.3 introduces typed class constants and readonly amendments',
['agent' => 'research', 'topic' => 'PHP'],
['php', 'programming', 'research']
);
$researchAgent->store(
'The performance of PHP 8.3 shows 15% improvement over PHP 8.2',
['agent' => 'research', 'topic' => 'performance'],
['php', 'performance', 'research']
);
// Export from research agent
$researchData = $researchAgent->export();
echo "π€ Research agent exported " . count($researchData) . " memories\n";
// Import to analysis agent
$count = $analysisAgent->import($researchData);
echo "π₯ Analysis agent imported {$count} memories\n";
// Analysis agent can now work with research data
$phpMemories = $analysisAgent->findByTag('php');
echo "π Analysis agent found " . count($phpMemories) . " PHP-related memories\n";
echo "\n";
// Example 3: Complex Search and Filtering
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 3: Advanced Search Scenarios\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$knowledgeBase = new MemoryManagerAgent($client, [
'name' => 'knowledge_base',
'logger' => $logger,
]);
// Store diverse knowledge
$topics = [
['Web servers like Apache and Nginx handle HTTP requests', ['category' => 'infrastructure'], ['web', 'servers']],
['Docker containers provide isolated application environments', ['category' => 'devops'], ['docker', 'containers']],
['Kubernetes orchestrates containerized applications at scale', ['category' => 'devops'], ['kubernetes', 'containers']],
['MySQL is a popular relational database management system', ['category' => 'database'], ['mysql', 'database']],
['Redis provides in-memory data structure storage', ['category' => 'database'], ['redis', 'cache', 'database']],
['GraphQL is a query language for APIs', ['category' => 'api'], ['graphql', 'api']],
['REST APIs use HTTP methods for CRUD operations', ['category' => 'api'], ['rest', 'api']],
];
foreach ($topics as [$content, $metadata, $tags]) {
$knowledgeBase->store($content, $metadata, $tags);
}
echo "π Knowledge base populated with " . $knowledgeBase->getMemoryCount() . " entries\n\n";
// Perform semantic searches
echo "π Search 1: 'How do I store data?'\n";
$results = $knowledgeBase->search('How do I store data?', 3);
foreach ($results as $result) {
echo " β’ {$result['content']}\n";
}
echo "\n";
echo "π Search 2: 'container technology'\n";
$results = $knowledgeBase->search('container technology', 3);
foreach ($results as $result) {
echo " β’ {$result['content']}\n";
}
echo "\n";
// Tag-based filtering
$containerMemories = $knowledgeBase->findByTag('containers');
echo "π·οΈ Found " . count($containerMemories) . " memories tagged with 'containers'\n";
foreach ($containerMemories as $mem) {
echo " β’ {$mem['content']}\n";
}
echo "\n";
// Example 4: Memory Analytics and Optimization
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 4: Memory Analytics\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
// Access some memories to update statistics
$knowledgeBase->retrieve($knowledgeBase->export()[0]['id']);
$knowledgeBase->retrieve($knowledgeBase->export()[1]['id']);
$knowledgeBase->retrieve($knowledgeBase->export()[0]['id']); // Access again
$stats = $knowledgeBase->getStats();
echo "π Detailed Memory Statistics:\n";
echo " βββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo " β Total Memories: " . str_pad((string)$stats['total_memories'], 24) . "β\n";
echo " β Total Size: " . str_pad(number_format($stats['total_size_bytes']) . " bytes", 24) . "β\n";
echo " β Total Accesses: " . str_pad((string)$stats['total_access_count'], 24) . "β\n";
echo " β Unique Tags: " . str_pad((string)$stats['unique_tags'], 24) . "β\n";
echo " β With Metadata: " . str_pad((string)$stats['memories_with_metadata'], 24) . "β\n";
echo " β With Tags: " . str_pad((string)$stats['memories_with_tags'], 24) . "β\n";
echo " β Index Size: " . str_pad((string)$stats['index_size'] . " words", 24) . "β\n";
echo " βββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
$avgSize = $stats['total_memories'] > 0 ?
round($stats['total_size_bytes'] / $stats['total_memories']) : 0;
echo " π Average memory size: {$avgSize} bytes\n";
$avgAccess = $stats['total_memories'] > 0 ?
round($stats['total_access_count'] / $stats['total_memories'], 2) : 0;
echo " π Average access count: {$avgAccess}\n";
echo "\n";
// Example 5: Capacity Management
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 5: Memory Capacity Management\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$limitedAgent = new MemoryManagerAgent($client, [
'name' => 'limited_capacity',
'max_memories' => 5,
'logger' => $logger,
]);
echo "π― Creating agent with max capacity of 5 memories\n";
echo "π Storing 8 memories (will trigger eviction)...\n\n";
$ids = [];
for ($i = 1; $i <= 8; $i++) {
$id = $limitedAgent->store("Memory number {$i}");
$ids[] = $id;
echo " {$i}. Stored: {$id} (Count: {$limitedAgent->getMemoryCount()})\n";
usleep(10000); // Small delay to ensure different timestamps
}
echo "\nβ
Final count: {$limitedAgent->getMemoryCount()} (oldest memories evicted)\n";
echo "π Verifying eviction:\n";
echo " Memory 1 (oldest): " . ($limitedAgent->retrieve($ids[0]) === null ? "β Evicted" : "β
Present") . "\n";
echo " Memory 2: " . ($limitedAgent->retrieve($ids[1]) === null ? "β Evicted" : "β
Present") . "\n";
echo " Memory 3: " . ($limitedAgent->retrieve($ids[2]) === null ? "β Evicted" : "β
Present") . "\n";
echo " Memory 8 (newest): " . ($limitedAgent->retrieve($ids[7]) === null ? "β Evicted" : "β
Present") . "\n";
echo "\n";
// Example 6: Persistence Simulation
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 6: Memory Persistence (Export/Import)\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
// Save to file
$exportData = $knowledgeBase->export();
$filename = sys_get_temp_dir() . '/memory_export.json';
file_put_contents($filename, json_encode($exportData, JSON_PRETTY_PRINT));
echo "πΎ Saved " . count($exportData) . " memories to: {$filename}\n";
echo "π File size: " . number_format(filesize($filename)) . " bytes\n\n";
// Simulate restart - create new agent and load
echo "π Simulating application restart...\n";
$restoredAgent = new MemoryManagerAgent($client, ['name' => 'restored_agent']);
$savedData = json_decode(file_get_contents($filename), true);
$restored = $restoredAgent->import($savedData);
echo "β
Restored {$restored} memories from persistent storage\n";
echo "π Verification: Agent has {$restoredAgent->getMemoryCount()} memories\n";
echo "π·οΈ Available tags: " . implode(', ', $restoredAgent->getTags()) . "\n\n";
// Clean up temp file
unlink($filename);
// Example 7: Batch Operations Performance
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Example 7: Batch Operations Performance\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$perfAgent = new MemoryManagerAgent($client, ['name' => 'performance_test']);
$batchSize = 50;
echo "β‘ Performing batch operations ({$batchSize} memories)...\n\n";
$startTime = microtime(true);
$batchIds = [];
for ($i = 0; $i < $batchSize; $i++) {
$batchIds[] = $perfAgent->store(
"Batch memory {$i} with some content to test performance",
['batch' => 'test', 'index' => $i],
['batch', 'performance']
);
}
$storeTime = microtime(true) - $startTime;
echo "π Store: {$batchSize} memories in " . number_format($storeTime, 4) . "s\n";
echo " Average: " . number_format(($storeTime / $batchSize) * 1000, 2) . "ms per memory\n\n";
$startTime = microtime(true);
foreach ($batchIds as $id) {
$perfAgent->retrieve($id);
}
$retrieveTime = microtime(true) - $startTime;
echo "π Retrieve: {$batchSize} memories in " . number_format($retrieveTime, 4) . "s\n";
echo " Average: " . number_format(($retrieveTime / $batchSize) * 1000, 2) . "ms per memory\n\n";
$startTime = microtime(true);
$tagged = $perfAgent->findByTag('batch');
$tagTime = microtime(true) - $startTime;
echo "π·οΈ Tag search: Found " . count($tagged) . " memories in " . number_format($tagTime, 4) . "s\n\n";
// Logger statistics
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n";
echo "Logger Statistics\n";
echo "ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n\n";
$operations = $logger->getOperations();
echo "π Total operations logged: " . count($operations) . "\n";
$levels = array_count_values(array_column($operations, 'level'));
foreach ($levels as $level => $count) {
echo " {$level}: {$count}\n";
}
echo "\n" . str_repeat("β", 80) . "\n";
echo "β¨ Advanced Memory Manager example completed!\n";
echo "π― Key features demonstrated:\n";
echo " β’ Memory expiration with TTL\n";
echo " β’ Multi-agent knowledge sharing\n";
echo " β’ Semantic search capabilities\n";
echo " β’ Memory analytics and statistics\n";
echo " β’ Automatic capacity management\n";
echo " β’ Persistent storage integration\n";
echo " β’ Performance benchmarking\n";
echo str_repeat("β", 80) . "\n";