https://www.w3schools.com/PhP/func_date_microtime.asp
PHP microtime() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpmicrotimefunction
https://www.merriam-webster.com/dictionary/microtime
MICROTIME Definition & Meaning - Merriam-Webster
The meaning of MICROTIME is a very short interval of time (as 0.01 millionth of a second). How to use microtime in a sentence.
microtimedefinitionmeaningmerriamwebster
https://www.w3schools.com/Php/func_date_microtime.asp
PHP microtime() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpmicrotimefunction
https://www.w3schools.com/PHP/func_date_microtime.asp
PHP microtime() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpmicrotimefunction
https://www.php.net/manual/zh/function.microtime.php
PHP: microtime - Manual
phpmicrotimemanual