Is it possible to delete or modify sent information in a subsequent step after using header("Location:...") in PHP?

Once you use header("Location:...") in PHP to redirect the user to a new page, you cannot delete or modify any sent information in a subsequent step as the redirection is immediate and the script execution stops. If you need to delete or modify sent information after the redirection, you can save the data in a session variable or pass it as a query parameter to the redirected page. 

```php
// Save data in a session variable before redirection
session_start();
$_SESSION['data'] = "some data";

// Redirect to another page
header("Location: newpage.php");
exit;
```
In the newpage.php file, you can access the saved data from the session variable $_SESSION['data'].

Keywords

header Location redirect HTTP response

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