You cannot replace date_sub('2000-01-20') by DateTime::sub('2000-01-20') because DateTime::sub is not static. You have to create the DateTime object first.
Example:
<?php $dateA = date_sub('2000-01-20', date_interval_create_from_date_string('10 days')); ?>
will be replace by
<?php
$dateB = new DateTime('2000-01-20');
$dateA = $dateB->sub(date_interval_create_from_date_string('10 days'));
?>
Description
Cette fonction est un alias de : DateTime::sub()
Jonathan Poissant
21-Jan-2011 07:26
