143 articles
A form saves a new record, the browser shows a success page, and then someone presses refresh. Should that refresh display the result again, or should it send the original form a second time? The familiar browser warnin…
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A large download stops halfway. The local file is still there, so asking for only the missing bytes sounds obvious. But what if the file behind the URL changed…
A deployment replaces PHP files on disk, but that does not by itself answer which compiled instructions a long-running PHP process will execute on the next req…
The word usually arrives as an accusation. When someone is called a cynic in ordinary English, the charge is that everybody is only interested in themselves an…
An application can finish generating a response quickly while the person downloading it is on a slow connection. Who should wait in that situation: the applica…
A small service needs somewhere to put a Unix socket, a database, downloaded metadata, and perhaps its own log files. Creating one writable directory and placi…
A small PHP application sometimes needs a tool that PHP itself does not provide: an image converter, a document renderer, a media probe, or a narrowly scoped m…
A small PHP application may need to import an image, preview a link, test a webhook endpoint, or retrieve a remote feed. The feature sounds ordinary: accept a …
Two people open the same article in an editor. Both see revision 17. One fixes the introduction and saves revision 18. The other, still looking at revision 17,…
Somebody writes to a small blog and asks a simple question: may I translate your article into my language and republish it on my own site? The writer usually m…
