Answers for "format( a ) in php"

php format date

<?php
  // To change the format of an existing date
  $old_date_format = "20/03/1999";
  $new_data_format = date("Y-m-d H:i:s", strtotime($old_date_format));

php format date

<?php
  	$date = '05/05/2021';
	echo DateTime::createFromFormat("d/m/Y", $date)->format('Y-m-d');
	//2021-05-05