Definition :
The checkdate() function is a built-in function in PHP.The checkdate() function is used to validate a Gregorian date.
checkdate(month, day, year)
| Parameter | Description |
|---|---|
| month | Required. Specifies the month as a number between 1 and 12 |
| day | Required. Specifies the day as a number between 1 and 31 |
| year | Required. Specifies the year as a number between 1 and 32767 |
Given below example check if several dates are valid Gregorian dates:
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Output :
bool(false)
bool(true)
bool(true)