How can microtime be used to get the current Unix timestamp with microseconds in PHP?

To get the current Unix timestamp with microseconds in PHP, you can use the microtime function to get the current time in microseconds since the Unix epoch and then concatenate it with the result of time function which gives the current Unix timestamp in seconds. This will give you the current Unix timestamp with microseconds accuracy. 

<?php
$microtime = microtime(true);
$timestamp = sprintf('%0.6f', $microtime) . substr((string)$microtime, 10);
echo $timestamp;
?>

Keywords

microtime Unix timestamp microseconds PHP timestamp

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