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setDate

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setDate sets the date in a DateTime object. 

$date = new DateTime();
$date->setDate(2016, 7, 25);

this example sets the date to be the twenty-fifth of July, 2015, it will produce the following result: 

2016-07-25 17:52:15.819442
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DateTime class:
* Datetime Class
* getTimestamp
* setDate
* Add or Subtract Date Intervals
* Create DateTime from custom format
* Printing DateTimes
* Create Immutable version of DateTime from Mutable prior PHP 5.6
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