- Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
- cd: 2015-03-31 cd: 2015-03-03
<?php
$cd = new DateTime('2015-03-31');
echo "cd: " . $cd->format( 'Y-m-d' ) . "\n";
$cd->modify('previous month');
echo "cd: " . $cd->format( 'Y-m-d' ) . "\n";