php错误

Parse error: syntax error, unexpected '11' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in D:\Workspaces\MyEclipse2\mis\index.php on line 25

    

    

$11Name = "464664";
  
  echo $11Name;

 

   

     这个错误表示php的变量命名规则，不能以数字开头，只能以字母或者_下划线