Simon Willison’s Weblog

A brief unofficial history about register_globals in PHP. It’s been more than five years since register_globals was disabled by default in PHP 4.2.0.

Posted 30th April 2007 at 8:20 am

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

history 41 philip-olson 1 php 181 registerglobals 1

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