strtotime() has strange interpretation of decimal weeks

[hartman]

Description

The following code:

<?php
strtotime("2.37685 weeks");

Resulted in this output:

1613443020

The code interpreted 2.37685 weeks as 02:37 (hours) and 685 weeks. This is non logical input of course (and not GNU compliant). But this isn't a very logical interpretation of this value from a human perspective.

The parser decided to not be able to recognize weeks, then fallback to hours, interpret up to 2 decimals (compliant with hour parsing), then split the remainder and continue parsing, interpreting the rest as the input for weeks.

This has been a known issue for Wikipedia since 2007, but was never reported upstream.

PHP Version

PHP 8.4.16 (cli) (built: Dec 16 2025 16:03:34) (NTS)
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Operating System

macos