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PHP Unix Timestamp Snippets
PHP examples for getting Unix seconds, generating milliseconds, formatting timestamps, converting between DateTime objects, and parsing date strings.
PHP timestamp basics
PHP's time() returns whole Unix seconds. Use microtime(true) when you need sub-second precision or want to derive Unix milliseconds for JavaScript-facing APIs.
Formatting dates in PHP
date() formats timestamps in the default server timezone, while gmdate() formats in UTC. For explicit timezone work, use DateTime with DateTimeZone so deployments behave consistently.