How to solve the problem of garbled page parameters passed by PHP

Solution to garbled page parameters passed by php: 1. Open the corresponding PHP code file; 2. Pass "if( $tag === iconv('UTF-8', $c, iconv($c , 'UTF-8', $tag))){...}" method can solve the problem of garbled characters.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

How to solve the problem of garbled page parameters passed by PHP?

An attempt to solve the problem of garbled Chinese parameters passed by php get:

The Chinese parameters of the website are passed directly, for example/index.php?t=Hello

All pages are utf-8 encoded

Firefox, garbled characters under normal IE under firefox

This method is currently used to temporarily solve it.

$bm = array('UTF-8','GBK'); 
 $charTest;
    foreach($bm as $c){ 
        if( $tag === iconv('UTF-8', $c, iconv($c, 'UTF-8', $tag))){//转换编码后是不是相等 
            $charTest =  $c; 
   break;
        } 
    } 
 if($charTest == 'GBK'){
  $tag = iconv('GBK', 'UTF-8', $tag);
 }

Recommended study: "PHP video tutorial》

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