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Feb 8, 2021 · Backend Development
How to Obtain Millisecond‑Precision Timestamps in PHP: 13‑Digit, Float, and Custom 14‑Digit Formats
This article demonstrates three PHP techniques for obtaining millisecond‑precision timestamps—13‑digit integer, floating‑point value, and a custom 14‑digit format—providing full code examples and usage illustrations. It also shows how to integrate the timestamp into request data structures for payment APIs.
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