Simon Willison’s Weblog

One time URLs with PHP

9th December 2002

Generating One-Time URLs with PHP has some simple example code which demonstrates PHP’s file locking functions in action.

Posted 9th December 2002 at 12:17 pm · Follow me on Mastodon, Bluesky, Twitter or subscribe to my newsletter

More recent articles

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
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

This is One time URLs with PHP by Simon Willison, posted on 9th December 2002.

Next: Striking the 1976 act

Previous: The perils of semantic markup

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe

Previously hosted at http://simon.incutio.com/archive/2002/12/09/oneTimeUrlsWithPhp