If PHP is unable to convert your string into a timestamp, it will return -1. : strtotime « String « PHP

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PHP » String » strtotime

If PHP is unable to convert your string into a timestamp, it will return -1.


 

<?

    $mydate = strtotime("Christmas 1979");

    if ($mydate == -1) {

            print "Date conversion failed!";

    } else {

            print "Date conversion succeeded!";

    }

?>

Related examples in the same category

1.	Calculating a date interval with strtotime()
2.	Checking a date range
3.	int strtotime ( string time [, int now] ) converts strings to a timestamp
4.	Using strtotime()
5.	Using strtotime() with a starting epoch timestamp
6.	Find the First monday on or after November 1, 2008
7.	Find weekday
8.	Finding the Date for a Weekday
9.	Getting the Day and Week of the Year
10.	Obtaining the Difference Between Two Dates
11.	Subtracts a year from a given timestamp

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