摘要：
https://www.php.net/manual/en/language.references.whatare.php What References Are References in PHP are a means to access the same variable content by 阅读全文
摘要：
CodeIgniter 3.1.0 1 <?php 2 //\system\core\Common.php 3 function &load_class($class, $directory = 'libraries', $param = null) 4 { 5 static $_classes = array(); 6 7 //....... ... 阅读全文
摘要：
php.net Objects of the same type will have access to each others private and protected members even though they are not the same instances. This is be 阅读全文