PHPer100

摘要： "; $data = ['a', 'b', 'c']; foreach($data as $key => $val){ $val = &$data[$key]; } echo "1."; var_dump($data); // 打印结果 // array(3) { [0]=> string(1) "b" [1]=> string(1) "c" [2]=> &string(1) "c" } /... 阅读全文