Calculate future date

I want to calculate a future date based on the date the post is published and use it in the content of a post.

I can echo the post publication date using:

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echo the_date('Y-m-d');

How can I calculate the future date?

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1 comment

  1. try

    $future_timestamp = strtotime('+1 week', get_the_date('Y-m-d'));
    
    echo date('Y-m-d', $future_timestamp);
    

    or

    $future_timestamp = get_the_date('U') + (60 * 60 * 24 * 7);
    
    echo date('Y-m-d', $future_timestamp);