554 lines
25 KiB
PHP
554 lines
25 KiB
PHP
<?php
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declare(strict_types=1);
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require_once __DIR__ . '/user_auth.php';
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require_once __DIR__ . '/views.php';
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adminer_app_session_start();
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// Bootstrap users table (+ optional seed)
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try {
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adminer_app_bootstrap();
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} catch (Throwable $e) {
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admin_layout('DB-Verwaltung', '<div class="notice notice-err">' . h($e->getMessage()) . '</div>', 'Fehler beim Start');
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exit;
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}
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// App-Logout
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if ((string)($_GET['auth'] ?? '') === 'logout') {
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adminer_app_logout();
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header('Location: /adminer', true, 302);
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exit;
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}
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$appPage = (string)($_GET['page'] ?? 'login');
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$appError = null;
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$appRegError = null;
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$appRegOk = null;
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// Login POST
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'app_login') {
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$res = adminer_app_try_login((string)($_POST['username'] ?? ''), (string)($_POST['password'] ?? ''));
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if (!empty($res['ok'])) {
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header('Location: /adminer', true, 302);
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exit;
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}
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$appError = (string)($res['error'] ?? 'Login fehlgeschlagen.');
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$appPage = 'login';
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}
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// Register POST
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'app_register') {
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$res = adminer_app_try_register(
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(string)($_POST['username'] ?? ''),
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(string)($_POST['password'] ?? ''),
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(string)($_POST['password2'] ?? '')
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);
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if (!empty($res['ok'])) {
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$appRegOk = 'Konto erstellt. Bitte lasse dich von einem Server-Administrator verifizieren, bevor du dich anmelden kannst.';
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$appPage = 'login';
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} else {
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$appRegError = (string)($res['error'] ?? 'Registrierung fehlgeschlagen.');
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$appPage = 'register';
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}
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}
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// ── LOGIN / REGISTER SEITE ────────────────────────────────────────────────
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if (!adminer_app_is_logged_in()) {
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$canReg = adminer_app_allow_register();
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$isReg = ($appPage === 'register');
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$body = '<div class="login-wrap">';
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// Tabs
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$body .= '<div class="tabs">';
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$body .= '<a class="tab ' . (!$isReg ? 'active' : '') . '" href="/adminer?page=login">Login</a>';
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if ($canReg) $body .= '<a class="tab ' . ($isReg ? 'active' : '') . '" href="/adminer?page=register">Registrieren</a>';
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$body .= '</div>';
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$body .= '<div class="card">';
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if ($appRegOk) $body .= '<div class="notice notice-ok">' . h($appRegOk) . '</div>';
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if ($appError) $body .= '<div class="notice notice-err">' . h($appError) . '</div>';
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if ($appRegError)$body .= '<div class="notice notice-err">' . h($appRegError) . '</div>';
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if ($isReg && $canReg) {
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// ── Registrierungsformular ──────────────────────────────────────
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$body .= '<form method="post">'
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. '<input type="hidden" name="action" value="app_register">'
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. '<div class="field"><label>Benutzername</label><input name="username" autocomplete="username" placeholder="z.B. fabian"></div>'
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. '<div class="field"><label>Passwort</label><input name="password" type="password" autocomplete="new-password" placeholder="mind. 8 Zeichen"></div>'
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. '<div class="field"><label>Passwort wiederholen</label><input name="password2" type="password" autocomplete="new-password" placeholder="Wiederholung"></div>'
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. '<button class="btn" type="submit" style="width:100%">Konto erstellen</button>'
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. '</form>';
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$body .= '<p class="muted" style="margin-top:.9rem;text-align:center">Bereits ein Konto? <a href="/adminer?page=login">Login</a></p>';
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} else {
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// ── Login-Formular ──────────────────────────────────────────────
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$body .= '<form method="post">'
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. '<input type="hidden" name="action" value="app_login">'
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. '<div class="field"><label>Benutzername</label><input name="username" autocomplete="username" placeholder="Dein Benutzername"></div>'
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. '<div class="field"><label>Passwort</label><input name="password" type="password" autocomplete="current-password" placeholder="Dein Passwort"></div>'
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. '<button class="btn" type="submit" style="width:100%">Anmelden</button>'
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. '</form>';
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if ($canReg) $body .= '<p class="muted" style="margin-top:.9rem;text-align:center">Noch kein Konto? <a href="/adminer?page=register">Registrieren</a></p>';
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}
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$body .= '</div>';
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$body .= '</div>';
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admin_layout('DB-Verwaltung', $body, $isReg ? 'Neues Konto erstellen' : 'Bitte einloggen');
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exit;
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}
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// ── DB-VERBINDUNGS-LOGIN ──────────────────────────────────────────────────
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require_once __DIR__ . '/auth.php';
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admin_session_start();
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if ((string)($_GET['a'] ?? '') === 'logout') {
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admin_logout();
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header('Location: /adminer', true, 302);
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exit;
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}
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if (!isset($_SESSION['db_admin_select'])) $_SESSION['db_admin_select'] = [];
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$selectError = null;
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$selectMsg = null;
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// Probe: Datenbanken laden
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'probe') {
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$host = trim((string)($_POST['host'] ?? ''));
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$port = (int)($_POST['port'] ?? 3306);
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$user = trim((string)($_POST['user'] ?? ''));
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$pass = (string)($_POST['pass'] ?? '');
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if ($host === '' || $port <= 0 || $user === '') {
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$selectError = 'Bitte Host, Port und Benutzer angeben.';
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} else {
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try {
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$pdo = new PDO(sprintf('mysql:host=%s;port=%d;charset=utf8mb4', $host, $port), $user, $pass, [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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]);
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$dbs = $pdo->query('SHOW DATABASES')->fetchAll(PDO::FETCH_COLUMN, 0);
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$_SESSION['db_admin_select'] = compact('host', 'port', 'user', 'pass', 'dbs');
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$selectMsg = 'Datenbanken geladen – bitte unten eine auswählen.';
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} catch (Throwable $e) {
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$selectError = 'Fehler: ' . $e->getMessage();
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}
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}
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}
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// DB-Login
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$dbError = null;
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'login') {
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$res = admin_try_login(
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trim((string)($_POST['host'] ?? '')),
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(int)($_POST['port'] ?? 3306),
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trim((string)($_POST['user'] ?? '')),
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(string)($_POST['pass'] ?? ''),
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trim((string)($_POST['db'] ?? ''))
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);
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if ($res['ok']) {
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header('Location: /adminer', true, 302);
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exit;
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}
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$dbError = (string)($res['error'] ?? 'Login fehlgeschlagen.');
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}
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$defaults = admin_default_creds();
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$selectState = is_array($_SESSION['db_admin_select']) ? $_SESSION['db_admin_select'] : [];
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$prefHost = isset($selectState['host']) ? (string)$selectState['host'] : (string)$defaults['host'];
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$prefPort = isset($selectState['port']) ? (int)$selectState['port'] : (int)$defaults['port'];
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$prefUser = isset($selectState['user']) ? (string)$selectState['user'] : (string)$defaults['user'];
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$prefPass = isset($selectState['pass']) ? (string)$selectState['pass'] : '';
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$dbList = isset($selectState['dbs']) && is_array($selectState['dbs']) ? $selectState['dbs'] : [];
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if (!admin_is_logged_in()) {
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$body = '<div class="card" style="max-width:520px;margin:0 auto">';
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if ($selectMsg) $body .= '<div class="notice notice-ok">' . h($selectMsg) . '</div>';
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if ($selectError)$body .= '<div class="notice notice-err">' . h($selectError) . '</div>';
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if ($dbError) $body .= '<div class="notice notice-err">' . h($dbError) . '</div>';
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// Step 1
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$body .= '<h2>1 · Server verbinden</h2>';
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$body .= '<form method="post">'
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. '<input type="hidden" name="action" value="probe">'
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. '<div class="field"><label>Host</label><input name="host" value="' . h($prefHost) . '" placeholder="localhost"></div>'
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. '<div class="field"><label>Port</label><div class="field-port"><input id="port-input" name="port" type="number" value="' . h((string)$prefPort) . '" min="1" max="65535"><div class="field-port__spinners"><button type="button" onclick="var i=document.getElementById(\'port-input\');i.value=Math.min(65535,+(i.value||3306)+1)">▲</button><button type="button" onclick="var i=document.getElementById(\'port-input\');i.value=Math.max(1,+(i.value||3306)-1)">▼</button></div></div></div>'
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. '<div class="field"><label>Benutzer</label><input name="user" value="' . h($prefUser) . '"></div>'
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. '<div class="field"><label>Passwort</label><input name="pass" type="password" value="' . h($prefPass) . '"></div>'
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. '<button class="btn btn-ghost btn-sm" type="submit">Datenbanken laden</button>'
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. '</form>';
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$body .= '<hr>';
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// Step 2
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$body .= '<h2>2 · Datenbank auswählen & einloggen</h2>';
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$body .= '<form method="post">'
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. '<input type="hidden" name="action" value="login">'
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. '<input type="hidden" name="host" value="' . h($prefHost) . '">'
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. '<input type="hidden" name="port" value="' . h((string)$prefPort) . '">'
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. '<input type="hidden" name="user" value="' . h($prefUser) . '">'
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. '<input type="hidden" name="pass" value="' . h($prefPass) . '">'
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. '<div class="field"><label>Datenbank</label>';
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if (!empty($dbList)) {
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$body .= '<select name="db">';
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$sel = (string)$defaults['db'];
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foreach ($dbList as $dbName) {
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$dbName = (string)$dbName;
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$body .= '<option value="' . h($dbName) . '"' . ($dbName === $sel ? ' selected' : '') . '>' . h($dbName) . '</option>';
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}
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$body .= '</select>';
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} else {
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$body .= '<input name="db" value="' . h((string)$defaults['db']) . '" placeholder="Datenbank-Name">';
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}
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$body .= '</div>'
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. '<button class="btn" type="submit" style="width:100%">Einloggen</button>'
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. '</form>';
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$body .= '</div>';
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admin_layout('DB-Verwaltung', $body, 'Datenbankverbindung');
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exit;
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}
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// ── DB-VERWALTUNG (eingeloggt) ────────────────────────────────────────────
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try {
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$pdo = admin_pdo();
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$table = (string)($_GET['t'] ?? '');
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$page = max(1, (int)($_GET['p'] ?? 1));
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$limit = 50;
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$offset = ($page - 1) * $limit;
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$msg = null;
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$queryResultHtml = '';
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// SQL Query ausführen
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'query') {
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$sql = trim((string)($_POST['sql'] ?? ''));
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if ($sql !== '') {
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if (preg_match('/;\s*\S/', $sql)) {
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$msg = ['ok' => false, 'text' => 'Nur ein Statement ausführen (kein zweites Semikolon).'];
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} else {
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try {
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$stmt = $pdo->query($sql);
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if ($stmt instanceof PDOStatement) {
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$rows = $stmt->fetchAll();
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$queryResultHtml = '<h3 style="margin-top:1.2rem">Ergebnis</h3>' . admin_render_table($rows);
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$msg = ['ok' => true, 'text' => 'Query ausgeführt (' . count($rows) . ' Zeilen).'];
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} else {
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$msg = ['ok' => true, 'text' => 'Statement ausgeführt.'];
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}
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} catch (Throwable $e) {
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$msg = ['ok' => false, 'text' => $e->getMessage()];
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}
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}
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}
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}
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// Datensatz löschen
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'delete_row') {
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$delTable = (string)($_POST['table'] ?? '');
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$pkCol = (string)($_POST['pk_col'] ?? '');
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$pkVal = (string)($_POST['pk_val'] ?? '');
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if (!preg_match('/^[A-Za-z0-9_]+$/', $delTable) || !preg_match('/^[A-Za-z0-9_]+$/', $pkCol)) {
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$msg = ['ok' => false, 'text' => 'Ungültige Parameter für Löschen.'];
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} else {
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try {
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// PK-Spalte gegen echte PK-Spalte validieren
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$realPk = admin_get_primary_key_column($pdo, $delTable);
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if ($realPk === null || $realPk !== $pkCol) {
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$msg = ['ok' => false, 'text' => 'Löschen ist nur über eine echte Primary-Key-Spalte möglich.'];
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} else {
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$stmt = $pdo->prepare('DELETE FROM `' . $delTable . '` WHERE `' . $pkCol . '` = :v LIMIT 1');
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$stmt->execute([':v' => $pkVal]);
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$msg = ['ok' => true, 'text' => 'Datensatz gelöscht.'];
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// Wenn wir gerade diese Tabelle anzeigen: auf Seite 1 zurück, damit man nicht auf leerer Seite landet
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if ($table === $delTable) {
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$page = 1;
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$offset = 0;
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}
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}
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} catch (Throwable $e) {
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$msg = ['ok' => false, 'text' => $e->getMessage()];
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}
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}
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}
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// Datensatz hinzufügen
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string)($_POST['action'] ?? '') === 'insert_row') {
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$insTable = (string)($_POST['table'] ?? '');
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if (!preg_match('/^[A-Za-z0-9_]+$/', $insTable)) {
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$msg = ['ok' => false, 'text' => 'Ungültiger Tabellenname für Insert.'];
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} else {
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try {
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$colsMeta = admin_get_table_columns($pdo, $insTable);
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if (empty($colsMeta)) {
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$msg = ['ok' => false, 'text' => 'Keine Spalten gefunden.'];
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} else {
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$fields = [];
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foreach ($colsMeta as $c) {
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$name = (string)$c['Field'];
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// Nur Spalten zulassen, die wirklich existieren
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if (!array_key_exists('col_' . $name, $_POST)) continue;
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$raw = (string)($_POST['col_' . $name] ?? '');
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$isNull = ((string)($_POST['null_' . $name] ?? '') === '1');
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$fields[] = [
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'name' => $name,
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'value' => $isNull ? null : ($raw === '' ? null : $raw),
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'forceNull' => $isNull,
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];
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}
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// Leere Submits verhindern
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if (empty($fields)) {
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$msg = ['ok' => false, 'text' => 'Keine Felder zum Einfügen übergeben.'];
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} else {
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$colNames = [];
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$placeholders = [];
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$params = [];
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foreach ($fields as $f) {
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$colNames[] = '`' . $f['name'] . '`';
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$ph = ':c_' . $f['name'];
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$placeholders[] = $ph;
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$params[$ph] = $f['value'];
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}
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$sql = 'INSERT INTO `' . $insTable . '` (' . implode(',', $colNames) . ') VALUES (' . implode(',', $placeholders) . ')';
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$stmt = $pdo->prepare($sql);
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$stmt->execute($params);
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$msg = ['ok' => true, 'text' => 'Datensatz hinzugefügt.'];
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// Nach Insert wieder zur Tabelle springen
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$table = $insTable;
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$page = 1;
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$offset = 0;
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}
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}
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} catch (Throwable $e) {
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$msg = ['ok' => false, 'text' => $e->getMessage()];
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}
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}
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}
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$tables = $pdo->query('SHOW TABLES')->fetchAll(PDO::FETCH_NUM);
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// ── TOP BAR ──────────────────────────────────────────────────────────
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$dbName = (string)($_SESSION['db_admin']['db'] ?? '');
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$uname = (string)($_SESSION['adminer_app']['username'] ?? '');
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$body = '<div class="top-bar">'
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. '<div class="top-bar-left">'
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. '<span style="font-weight:700;font-size:1rem">' . h($dbName) . '</span>'
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. ($uname ? '<span class="pill">' . h($uname) . '</span>' : '')
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. '</div>'
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. '<div class="top-bar-actions">'
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. '<a class="btn btn-ghost btn-sm" href="/adminer?a=logout">DB-Logout</a>'
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. '<a class="btn btn-ghost btn-sm" href="/adminer?auth=logout">Account-Logout</a>'
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. '</div>'
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. '</div>';
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// ── GRID: TABELLENLISTE + CONTENT ─────────────────────────────────────
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$body .= '<div class="admin-grid">';
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// Linke Spalte: Tabellenliste
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$body .= '<div class="card">';
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$body .= '<h2>Tabellen</h2>';
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if (empty($tables)) {
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$body .= '<p class="muted">Keine Tabellen gefunden.</p>';
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} else {
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$body .= '<ul class="nav-list">';
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foreach ($tables as $row) {
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$tn = (string)$row[0];
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$cls = ($tn === $table) ? 'active' : '';
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$body .= '<li><a class="' . $cls . '" href="/adminer?t=' . rawurlencode($tn) . '">' . h($tn) . '</a></li>';
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}
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$body .= '</ul>';
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}
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$body .= '</div>';
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// Rechte Spalte: Browse + Query
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$body .= '<div>';
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// Notices
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if ($msg) {
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$cls = $msg['ok'] ? 'notice-ok' : 'notice-err';
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$body .= '<div class="notice ' . $cls . '">' . h($msg['text']) . '</div>';
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}
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// Browse
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if ($table !== '') {
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if (!preg_match('/^[A-Za-z0-9_]+$/', $table)) {
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$body .= '<div class="notice notice-err">Ungültiger Tabellenname.</div>';
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} else {
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$pkCol = admin_get_primary_key_column($pdo, $table);
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$stmt = $pdo->query('SELECT * FROM `' . $table . '` LIMIT ' . (int)$limit . ' OFFSET ' . (int)$offset);
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$rows = $stmt->fetchAll();
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$body .= '<div class="card" style="margin-bottom:16px">';
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$body .= '<div style="display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap">'
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. '<h2 style="margin:0">' . h($table) . '</h2>'
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. '<a class="btn btn-ghost btn-sm" href="/adminer?t=' . rawurlencode($table) . '&add=1">+ Datensatz</a>'
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. '</div>';
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$body .= admin_render_table($rows, $table, $pkCol);
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$body .= '<div class="pagination">';
|
||
if ($page > 1) $body .= '<a class="btn btn-ghost btn-sm" href="/adminer?t=' . rawurlencode($table) . '&p=' . ($page - 1) . '">← Zurück</a>';
|
||
if (count($rows) === $limit) $body .= '<a class="btn btn-ghost btn-sm" href="/adminer?t=' . rawurlencode($table) . '&p=' . ($page + 1) . '">Weiter →</a>';
|
||
if ($page > 1 || count($rows) === $limit) $body .= '<span class="muted">Seite ' . $page . '</span>';
|
||
$body .= '</div>';
|
||
|
||
$body .= '</div>';
|
||
|
||
// Add form
|
||
if ((string)($_GET['add'] ?? '') === '1') {
|
||
$colsMeta = admin_get_table_columns($pdo, $table);
|
||
$body .= '<div class="card" style="margin-bottom:16px">';
|
||
$body .= '<h2>Datensatz hinzufügen</h2>';
|
||
$body .= '<form method="post">'
|
||
. '<input type="hidden" name="action" value="insert_row">'
|
||
. '<input type="hidden" name="table" value="' . h($table) . '">';
|
||
|
||
foreach ($colsMeta as $c) {
|
||
$col = (string)$c['Field'];
|
||
$extra = (string)($c['Extra'] ?? '');
|
||
$nullOk = ((string)($c['Null'] ?? 'NO') === 'YES');
|
||
|
||
// auto_increment standardmäßig nicht anfassen
|
||
if (stripos($extra, 'auto_increment') !== false) {
|
||
$body .= '<div class="field">'
|
||
. '<label>' . h($col) . ' <span class="pill">auto</span></label>'
|
||
. '<input disabled value="(auto)" />'
|
||
. '</div>';
|
||
continue;
|
||
}
|
||
|
||
$body .= '<div class="field">'
|
||
. '<label>' . h($col) . ($nullOk ? ' <span class="pill">NULL ok</span>' : '') . '</label>'
|
||
. '<input name="col_' . h($col) . '" placeholder="Wert…">';
|
||
|
||
if ($nullOk) {
|
||
$body .= '<div style="margin-top:8px;display:flex;align-items:center;gap:8px">'
|
||
. '<input style="width:auto" type="checkbox" name="null_' . h($col) . '" value="1" id="null_' . h($col) . '">'
|
||
. '<label for="null_' . h($col) . '" style="margin:0;text-transform:none;letter-spacing:0;font-size:.85rem;color:var(--text-muted)">NULL setzen</label>'
|
||
. '</div>';
|
||
}
|
||
|
||
$body .= '</div>';
|
||
}
|
||
|
||
$body .= '<div style="display:flex;gap:10px;flex-wrap:wrap">'
|
||
. '<button class="btn" type="submit">Speichern</button>'
|
||
. '<a class="btn btn-ghost" href="/adminer?t=' . rawurlencode($table) . '">Abbrechen</a>'
|
||
. '</div>'
|
||
. '</form>';
|
||
$body .= '</div>';
|
||
}
|
||
}
|
||
}
|
||
|
||
// SQL Query Box
|
||
$body .= '<div class="card">';
|
||
$body .= '<h2>SQL Query</h2>';
|
||
$body .= '<form method="post">'
|
||
. '<input type="hidden" name="action" value="query">'
|
||
. '<div class="field"><textarea name="sql" rows="6" placeholder="SELECT * FROM tabelle LIMIT 10"></textarea></div>'
|
||
. '<button class="btn btn-sm" type="submit">Ausführen</button>'
|
||
. '</form>';
|
||
$body .= $queryResultHtml;
|
||
$body .= '</div>';
|
||
|
||
$body .= '</div>'; // right col
|
||
$body .= '</div>'; // admin-grid
|
||
|
||
admin_layout('DB-Verwaltung', $body, h($dbName), 'wrap--full');
|
||
|
||
} catch (Throwable $e) {
|
||
admin_logout();
|
||
admin_layout('DB-Verwaltung',
|
||
'<div class="notice notice-err">' . h($e->getMessage()) . '</div>'
|
||
. '<p style="margin-top:1rem;text-align:center"><a class="btn btn-ghost btn-sm" href="/adminer">Zurück zum Login</a></p>',
|
||
'Fehler',
|
||
'wrap--wide'
|
||
);
|
||
}
|
||
|
||
function admin_render_table(array $rows, string $table = '', ?string $pkCol = null): string
|
||
{
|
||
if (empty($rows)) return '<p class="muted">(keine Zeilen)</p>';
|
||
|
||
$cols = array_keys((array)$rows[0]);
|
||
$hasActions = ($table !== '' && $pkCol !== null && in_array($pkCol, $cols, true));
|
||
|
||
$html = '<div class="table-scroll"><table class="db-table"><thead><tr>';
|
||
foreach ($cols as $c) $html .= '<th>' . h((string)$c) . '</th>';
|
||
if ($hasActions) $html .= '<th style="width:1%;white-space:nowrap">Aktionen</th>';
|
||
|
||
$html .= '</tr></thead><tbody>';
|
||
foreach ($rows as $r) {
|
||
$html .= '<tr>';
|
||
foreach ($cols as $c) {
|
||
$v = $r[$c] ?? null;
|
||
$cell = $v === null
|
||
? '<span class="null-val">NULL</span>'
|
||
: (strlen((string)$v) > 300 ? h(substr((string)$v, 0, 300)) . '…' : h((string)$v));
|
||
$html .= '<td>' . $cell . '</td>';
|
||
}
|
||
|
||
if ($hasActions) {
|
||
$pkVal = $r[$pkCol] ?? null;
|
||
$safePkVal = $pkVal === null ? '' : (string)$pkVal;
|
||
|
||
$html .= '<td>'
|
||
. '<form method="post" style="display:inline" onsubmit="return confirm(\'Datensatz wirklich löschen?\');">'
|
||
. '<input type="hidden" name="action" value="delete_row">'
|
||
. '<input type="hidden" name="table" value="' . h($table) . '">'
|
||
. '<input type="hidden" name="pk_col" value="' . h((string)$pkCol) . '">'
|
||
. '<input type="hidden" name="pk_val" value="' . h($safePkVal) . '">'
|
||
. '<button class="btn btn-ghost btn-sm" type="submit">Löschen</button>'
|
||
. '</form>'
|
||
. '</td>';
|
||
}
|
||
|
||
$html .= '</tr>';
|
||
}
|
||
$html .= '</tbody></table></div>';
|
||
return $html;
|
||
}
|
||
|
||
function admin_get_primary_key_column(PDO $pdo, string $table): ?string
|
||
{
|
||
if (!preg_match('/^[A-Za-z0-9_]+$/', $table)) return null;
|
||
|
||
$stmt = $pdo->prepare(
|
||
"SELECT COLUMN_NAME\n"
|
||
. "FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE\n"
|
||
. "WHERE TABLE_SCHEMA = DATABASE()\n"
|
||
. " AND TABLE_NAME = :t\n"
|
||
. " AND CONSTRAINT_NAME = 'PRIMARY'\n"
|
||
. "ORDER BY ORDINAL_POSITION\n"
|
||
. "LIMIT 1"
|
||
);
|
||
$stmt->execute([':t' => $table]);
|
||
$pk = $stmt->fetchColumn();
|
||
return $pk !== false ? (string)$pk : null;
|
||
}
|
||
|
||
function admin_get_table_columns(PDO $pdo, string $table): array
|
||
{
|
||
if (!preg_match('/^[A-Za-z0-9_]+$/', $table)) return [];
|
||
$stmt = $pdo->query('SHOW COLUMNS FROM `' . $table . '`');
|
||
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
|
||
return is_array($rows) ? $rows : [];
|
||
}
|