如何在PHP中从多个变量创建一个变量？ [关闭]

Question

Lets say we have variables: $page and $id. For example, $id=2. I wanna create new variable from existing variables $page and $id: $page2. how to do it? is it possible??

Answer 1

You can use curly brackets notation to create your variable name : http://codepad.org/L6B5vYdG

 <?php        
       $number = 2;        
       ${'page' . $number} = 20 ;        
       var_dump($page2);        
  ?>