<?php $hello= new stdClass(); $hello->name_1= "du yue bo"; $i=0; echo $hello->${'name_'.($i+1)};?> 报错 Notice: Undefined variable: name_1 in D:\PHPnow-1.5.6\htdocs\laji\laji.php on line 5Fatal error: Cannot access empty property in D:\PHPnow-1.5.6\htdocs\laji\laji.php on line 5
$hello->$name;
<?php
$hello= new stdClass();
$hello->name_1= "du yue bo";
$i=0;
echo $hello->${'name_'.($i+1)};?>
报错
Notice: Undefined variable: name_1 in D:\PHPnow-1.5.6\htdocs\laji\laji.php on line 5Fatal error: Cannot access empty property in D:\PHPnow-1.5.6\htdocs\laji\laji.php on line 5
去掉$
echo $hello->{'name_'.($i+1)};