PHP - strtotime example

strtotime - Converts textual datetime into Unix timestamp.
Separator is a dot (.), European date format (only 4 digit years)
    
        echo date('jS F, Y', strtotime('11.12.2013')) . '\n';
        // outputs 11th December, 2013
    
Separator is a slash (/), American date format
    
        echo date('jS F, Y', strtotime('11/12/13')) . '\n';
        // outputs 12th November, 2013
    
Separator is a dash (-), European date format
    
        echo date('jS F, Y', strtotime('13-12-11')) . '\n';
        // outputs 11th December, 2013
    
    
        echo strtotime('now'), '\n';
        echo strtotime('10 June 2019'), '\n';
        echo strtotime('+1 day'), '\n';
        echo strtotime('+1 week'), '\n';
        echo strtotime('+1 week 5 days 3 hours 3 seconds'), '\n';
        echo strtotime('next Friday'), '\n';
        echo strtotime('last Sunday'), '\n';