function searchQuery() { if (!empty($_POST['searchInput'])) { $searchResults = searchForBook($_POST['searchInput'], $_POST['searchMode']); } else { // Default search if no input it provided, such as on initail page load. $searchResults = "SELECT listing.lenderID, textbook.ISBN, listing.image,\n listing.condition, listing.borrowerID, listing.textID, textbook.*, user.*\n FROM listing INNER JOIN textbook ON listing.ISBN=textbook.ISBN\n INNER JOIN user ON listing.lenderID=user.userID "; } return $searchResults; }
<?php require 'controller.php'; $search_key = $_POST['search']; $search_books = searchForBook($search_key); print_r($search_books);