Initial commit - Last War messaging system

includes/logger.php

@@ -0,0 +1,41 @@
+<?php
+
+function custom_log(string $message, string $level = 'INFO'): void
+{
+    $logDir = __DIR__ . '/../logs';
+    
+    if (!is_dir($logDir)) {
+        mkdir($logDir, 0755, true);
+    }
+    
+    $logFile = $logDir . '/app.log';
+    $timestamp = date('Y-m-d H:i:s');
+    $ip = $_SERVER['REMOTE_ADDR'] ?? 'CLI';
+    $user = $_SESSION['username'] ?? 'guest';
+    
+    $logMessage = "[{$timestamp}] [{$level}] [{$ip}] [{$user}] {$message}" . PHP_EOL;
+    
+    file_put_contents($logFile, $logMessage, FILE_APPEND);
+}
+
+function logError(string $message): void
+{
+    custom_log($message, 'ERROR');
+}
+
+function logWarning(string $message): void
+{
+    custom_log($message, 'WARNING');
+}
+
+function logInfo(string $message): void
+{
+    custom_log($message, 'INFO');
+}
+
+function logDebug(string $message): void
+{
+    if ($_ENV['APP_ENVIRONMENT'] ?? getenv('APP_ENVIRONMENT') === 'pruebas') {
+        custom_log($message, 'DEBUG');
+    }
+}