下列代码的输出是 <?php $arr = array(5 => 1, 12 => 2); $arr[] = 56; $arr["x"] = 42; echo var_dump($arr); ?>
<?php $arr = array(5 => 1, 12 => 2); $arr[] = 56; $arr["x"] = 42; echo var_dump($arr); ?>
