How to use php checkdate function

The checkdate function is a built-in function of PHP. Its syntax is "checkdate(month, day, year)", which is used to verify a Gregorian date and check the legality of the date composed of parameters.

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The checkdate() function is a built-in function of PHP , the syntax is checkdate(month,day,year), used to verify a Gregorian date and check the legality of the date composed of parameters. Each parameter is considered valid if it is defined correctly.

How to use php checkdate() function?

Function: Verify a Gregorian date

Syntax:

checkdate(month,day,year)

Parameters:

month Required. Specifies the month, a numeric value from 1 to 12.

day Required. Specifies the day, a numeric value from 1 to 31.

year Required. Specifies the year, a numeric value from 1 to 32767.

Return value: This function returns a Boolean value. Returns true if the date is a valid date, false otherwise.

Description: Check if some dates are valid Gregorian dates.

php checkdate() function example

<?php
var_dump(checkdate(12,31,-220));
echo "<br>";
var_dump(checkdate(2,29,2003));
echo "<br>";
var_dump(checkdate(2,29,2004));
?>

Output:

bool(false) 
bool(false) 
bool(true)

This article is about the use of checkdate function. I hope it will help those who need it. Friends help!

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