date time to unix timestamp php code example

Example 1: unix timestamp in php

strtotime("now");

// strtotime is a function that will take a string parameter 
// that specifies a date, and returns a unix time stamp bassed
// on that

echo strtotime("2020-02-24");

// prints: 1582502400

Example 2: php unix timestamp to date

$currentTime = DateTime::createFromFormat( 'U', $timestamp );