PHP implements date addition and subtraction

The content of this article is about the addition and subtraction of dates in PHP. It has a certain reference value. Now I share it with you. Friends in need can refer to it.

Function name: strtotime("time" );

Example:

Add 1 day: strtotime(" 1day")

Add 1 month: strtotime(" 1month")

Add One year: strtotime("1year")

Minus 1 day: strtotime("-1day")

Minus 1 month: strtotime("-1month")

Subtract one year: strtotime("-1year")

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