function get_photo($tag_name)
{
$tag_id = find_tag($tag_name);
if (!$tag_id) {
$error_str = "no tag_name " . $tag_name . " found";
error_log($error_str);
echo json_encode(array("ERROR" => $error_str));
return;
}
$json_str = get_photo_by_tag($tag_id);
echo $json_str;
}
function insert_tag($name)
{
$tag_id = find_tag($name);
if ($tag_id) {
return intval($tag_id);
}
global $db;
$stmt = $db->prepare("INSERT INTO Tags (tag) VALUES(:tag)");
$stmt->bindParam(":tag", $name);
try {
$stmt->execute();
return $db->lastInsertId();
} catch (PDOException $e) {
error_log("ERROR while insert tag: " . $e->getMessage());
return false;
}
}
