1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | <?php trait logging { private static $LOG_ERROR = 100; private static $LOG_WARNING = 50; private static $LOG_NOTICE = 10; protected $log_location = 'output.log'; protected function log($level, $msg) { $output = []; $output[] = "Class: ".__CLASS__.' | '; $output[] = "Level: {$level} | "; $output = array_merge($output, (array)$msg, ["\n"]); file_put_contents($this->log_location, $output, FILE_APPEND); } } class User { use logging; public function __construct() { $this->log(self:LOG_NOTICE, 'New User Created'); } } class DB { use logging; private $db = 'localhost:8080'; public function connect() { // ... attempt to connect and fail: $this->log(self:LOG_ERROR, ['Connection Failed-', $this->db]); } } |
欢迎光临 电子技术论坛_中国专业的电子工程师学习交流社区-中电网技术论坛 (http://bbs.eccn.com/) | Powered by Discuz! 7.0.0 |