本文整理汇总了PHP中DataBase::fetchColumn方法的典型用法代码示例。如果您正苦于以下问题：PHP DataBase::fetchColumn方法的具体用法？PHP DataBase::fetchColumn怎么用？PHP DataBase::fetchColumn使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataBase的用法示例。
在下文中一共展示了DataBase::fetchColumn方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: join_group
/**
* 加入群
* @UserFunction(method = GET|POST)
* @CheckLogin
*/
function join_group(Integer $id)
{
$db = new DataBase(DB_DNS, DB_USER, DB_PASSWORD);
$user_id = getCurrentUserId();
$group = $db->fetch('SELECT * FROM `group` WHERE `id` = ?;', $id);
if ($group) {
if ($group['number'] >= $group['max_number']) {
throw new ProException('group $id reach limit', 202);
}
if ($db->fetchColumn('SELECT count(*) FROM `group_user` WHERE `user_id`=? AND `group_id`=?', $user_id, $id) != 0) {
throw new ProException('you have to join the $id group', 203);
}
$db->exec('INSERT INTO `group_user`(`group_id`, `user_id`, `role`) VALUES(?,?,0);', $id, $user_id);
$db->exec('UPDATE `group` SET `number` = `number`+1 WHERE `id` = ?;', $id);
} else {
throw new ProException('group $id is not exists', 201);
}
}示例2: process_request_friend
/**
* 处理好友邀请
* @UserFunction(method = GET|POST)
* @CheckLogin
*/
function process_request_friend(Integer $id, Boolean $is_access)
{
$currentUserId = getCurrentUserId();
$db = new DataBase(DB_DNS, DB_USER, DB_PASSWORD);
$my_friend_status = $db->fetch('SELECT `status` FROM `friend` WHERE `user_id` = ? AND `friend_id` = ?', $currentUserId, $id);
$other_friend_status = $db->fetch('SELECT `status` FROM `friend` WHERE `user_id` = ? AND `friend_id` = ?', $id, $currentUserId);
if ($my_friend_status && $other_friend_status && $my_friend_status['status'] == 3 && $other_friend_status['status'] == 2) {
if ($is_access->val) {
$db->exec('UPDATE `friend` SET `status` = 1 WHERE `user_id`=? AND `friend_id`=?;', $currentUserId, $id);
$db->exec('UPDATE `friend` SET `status` = 1 WHERE `user_id`=? AND `friend_id`=?;', $id, $currentUserId);
$user_name_1 = $db->fetchColumn('SELECT `username` FROM `user` WHERE `id` = ?', $currentUserId);
$user_name_2 = $db->fetchColumn('SELECT `username` FROM `user` WHERE `id` = ?', $id);
//向融云IM server发送消息
//$other_id = $id->val;
ServerAPI::getInstance()->messagePublish($currentUserId, array($id->val), 'RC:InfoNtf', json_encode(array('message' => '你已添加了' . $user_name_1 . '，现在可以开始聊天了。')));
ServerAPI::getInstance()->messagePublish($id->val, array($currentUserId), 'RC:InfoNtf', json_encode(array('message' => '你已添加了' . $user_name_2 . '，现在可以开始聊天了。')));
} else {
$db->exec('DELETE FROM `friend` WHERE `user_id`=? AND `friend_id`=?;', $currentUserId, $id);
$db->exec('UPDATE `friend` SET `status` = 4 WHERE `user_id`=? AND `friend_id`=?;', $id, $currentUserId);
}
} else {
throw new ProException('unknow error', 306);
}
}示例3: send_activatiton_code
/**
* 发送激活码
* @UserFunction
*/
function send_activatiton_code(Mobile $mobile)
{
$db = new DataBase(DB_DNS, DB_USER, DB_PASSWORD);
$code = 2000;
if ($db->fetchColumn('SELECT count(*) FROM `activation_code` WHERE `mobile` = ?', $mobile) == 0) {
$db->insert('INSERT INTO `activation_code` (`mobile`, `code`) values(?,?)', $mobile, $code);
} else {
$timestamp = $db->fetchColumn('SELECT `timestamp` FROM `activation_code` WHERE `mobile` = ?', $mobile);
if (time() - $timestamp > 60000) {
$db->exec('UPDATE `activation_code` SET `code` = ? WHERE `mobile` = ?', $code, $mobile);
} else {
throw new ProException('Activation code is sent too frequently', 107);
}
}
}