UNIX_TIMESTAMP in php for current datetime code example
Example 1: php datetime object get unix timestamp
$date = new DateTime();
echo $date->getTimestamp();
Example 2: 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