How can a packet be sent without any content in PHP?

To send a packet without any content in PHP, you can use the `header()` function to send an empty response to the client. This can be useful in situations where you need to send a response without any actual content, such as for a simple acknowledgment or confirmation. 

<?php
// Send an empty response packet
header("Content-Length: 0");
header("Connection: close");
header("HTTP/1.1 200 OK");
exit();
?>

Keywords

PHP packet send content empty

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