How to modify response header settings in php

php method to modify response header settings: 1. Jump function, the code is [header('location:index.php')]; 2. Page refresh, the code is [header('refresh:3; url=index.php')].

php method to modify response header settings:

Jump function

header('location:index.php');

Page refresh

header('refresh:3;url=index.php');

Output picture

header('Content-type:image/gif,image/png,image/jpg,image/jpeg');

Download content

header('Content-type:application/octet-stream');

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