Questions about php page refresh

Php page refresh. I'm a newbie! After writing code in php, for example: & lt ;? Echo & quot; asdfds & quot ;;? & Gt; change the output character. it is still the original character in IE and cannot be refreshed. What are your questions? Thank you !, There is no problem you mentioned ., Are you sure you want to refresh the php page.
I'm a newbie! After writing code in php, for example:
Echo "asdfds ";
?>

The output character is changed. it is still the original character in IE and cannot be refreshed. What are your questions? Thank you!

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There is no problem you mentioned.
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Are you sure you have changed or saved it?
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What version of ie are you using. Is there a problem in FF/Chrome?
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Best use // Do not use short marks for such a mark

PHP code

  
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I think you are working on ajax applications, right?
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If the flag is not enabled. Use
  . Are you in the PHP file?
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   Discussion
   

   
If the flag is not enabled. Use
   . Are you in the PHP file?
   

  
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   Discussion
   

   
Now we have solved the problem. close IE, edit the php editor, and restart IE. But this programming is too tired.
   

  
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Just change the browser.
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For firefox, chorme is also good.
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I am mainly using Firefox, and IE is a wonderful thing.
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It may be a browser cache problem. clear it and try again. I have encountered such a problem.