<?php
// Admin only diagnostic - delete after use
$files = [
    '../../includes/db.php',
    '../../includes/auth.php',
    '../api/admin.php',
];
foreach ($files as $f) {
    $full = __DIR__ . '/' . $f;
    $out = shell_exec("php -l " . escapeshellarg($full) . " 2>&1");
    echo $f . ": " . trim($out) . "\n";
}

// Also test DB connection directly
try {
    require_once __DIR__ . '/../../includes/config.php';
    require_once __DIR__ . '/../../includes/db.php';
    $v = db()->query("SELECT COUNT(*) FROM users")->fetchColumn();
    echo "\nDB OK — users: $v\n";
    $v2 = db()->query("SELECT version FROM app_version ORDER BY id DESC LIMIT 1")->fetchColumn();
    echo "App version: $v2\n";
} catch (Throwable $e) {
    echo "\nDB ERROR: " . $e->getMessage() . "\n";
    echo "File: " . $e->getFile() . " line " . $e->getLine() . "\n";
}