how to judge the request is from my computer to the php page?

[781nickolas266hirkaler937]

How can I determine if the request is from my computer to the php page?I want to \[code\]print_r($GLOABALS)\[/code\] to debug my site from my computer, but I don't want other computers to do this.\[code\]<?php // can not use ip to judge wheather this computer is mine // for my ip will change always. if($is_my_computer){ echo 'yes';}\[/code\]