PHP [type]::has示例

 /**
  * /
  * @param [type] $message [description]
  */
 public function addMessage($message)
 {
     if ($this->session->has('system.messages')) {
         $messages = $this->session->has('system.messages');
     } else {
         $messages = array();
     }
     $messages[] = $message;
     $this->session->set('system.messages', $messages);
 }

示例#2

显示文件

文件： functions.php 项目： huangmeixue/php-study

 /**
  * 检查用户注册时提交的邮箱是否否合规格
  * @param  [type] $email     [description]
  * @param  [type] $db_handle Medoo 实例化后的对象
  * @return [type]            [description]
  */
 function check_user_email($email, $db_handle)
 {
     if (!preg_match('/^[a-z0-9_\\-]+(\\.[_a-z0-9\\-]+)*@([_a-z0-9\\-]+\\.)+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)$/ ', $email)) {
         return [TRUE, '请填写正确的邮箱'];
     } else {
         if ($db_handle->has('users', ['email' => $email])) {
             return [TRUE, '该邮箱已经被注册'];
         } else {
             return [FALSE, ''];
         }
     }
 }