Поиск
$query='SELECT h1 FROM post WHERE h1 LIKE :search';
$stmt= $pdo->prepare($query);
$stmt->execute(array(':search' => '%'.$searchVal.'%'));
while ($news = $stmt->fetch(PDO::FETCH_LAZY)){
Главная страница вывода постов
$result0 = $pdo->prepare('SELECT * FROM post ORDER BY id DESC LIMIT '.$start.', '.$num.'');
$result0->execute();
while ($news = $result0->fetch(PDO::FETCH_LAZY)){
Страница тегов
$tag = $pdo->prepare('SELECT * FROM post WHERE hashtag1 = ? OR hashtag2 = ? OR hashtag3 = ? OR hashtag4 = ? ORDER BY id DESC');
$tag->execute(array($hashtag1, $hashtag2, $hashtag3, $hashtag4));
while ($news = $tag->fetch(PDO::FETCH_LAZY)){
PS не судите строго
