What to do if php output array is garbled

Solution to garbled php output array: 1. Open the corresponding php file; 2. Check whether the encoding is set; 3. Add "header("Content-type:text/html;charset= at the beginning of the file utf-8 ");" statement is enough.

The operating environment of this tutorial: Windows 10 system, PHP version 8.1, DELL G3 computer

#What should I do if the output array of php is garbled?

Solution to Chinese garbled characters:

header("Content-type:text/html;charset=utf-8");

For example:

Use print_r() to output an array

The print_r() function is used to Print variables in a more understandable form. The print_r() function can output the contents and structure of the entire array, and the keys and elements will be displayed in a certain format.

"张三","年龄"=>25,"性别"=>"男"),
    array("姓名"=>"李四","年龄"=>21,"性别"=>"男"),
    array("姓名"=>"娜娜","年龄"=>22,"性别"=>"女")
);
 print_r($array);
?>

Output:

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