PHP Check Date function checkdate Usage instance, checkdate instance _php tutorial

PHP Check Date function checkdate Usage instance, checkdate instance

This example describes the PHP check date function checkdate usage. Share to everyone for your reference. The specific analysis is as follows:

You can use the Checkdate function to verify the correctness of the date in PHP.

Grammar

Integer checkdate (int%month, int $Day, int $Year);

Demo Code

<? Phpecho "2/29/1900"; Checkdate (2, 1900)? print "is Valid":p rint "was not Valid"; echo "\ n"; echo "2/29/2000"; Checkdate ( 2, +)? print "is Valid":p rint "are not Valid"; echo "\ n"; echo "2/29/2100"; checkdate (2, 2100)? print "Is Valid": Print "is not valid"; echo "\ n"; echo "4/30/2008"; checkdate (4, +)? print "is valid":p rint "was not valid"; echo "\ n" echo "4/31/2008"; checkdate (4, +)? print "is Valid":p rint "was not Valid"; echo "\ n";? >

The output is as follows

2/29/1900 is isn't valid2/29/2000 is valid2/29/2100 are not valid4/30/2008 are valid4/31/2008 are not valid

I hope this article is helpful to everyone's PHP programming.

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