php checkdate() function

Translation results：

[ Chess] general one army

n.<US> check; stop, suppress; check, check

Third person singular: checks Plural: checks Present participle: check Past tense: checked past Participle: checked

php checkdate() functionsyntax

Function:Verify a Gregorian date

Syntax: checkdate(month,day,year)

Parameters:

Parameters	Description
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.

Description: Check if some dates are valid Gregorian dates

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

Click the "Run Instance" button to view the online instance

Output:

bool(false) 
bool(false) 
bool(true)