Date Functions in PHP
In this tutorial you will learn about some Date functions in PHP.
For Date Formats refer: PHP Date Function Tips
1. Getting the Current Date
The PHP function 'date' is used to display the current date in the specified format as indicated by its arguments as shown in the above example. For more details on date format arguments, click PHP Date Function Tips.
date('format options');
Example:
1.date('y m d'); Output: 05 04 23
2. date('Y M D'); Output: 2005 Apr Sat
3.date('Y m d h: s: m'); Output: 2005 04 23 02: 18: 04 (Date and Time)
2. Number of days in a month
The function 'cal_days_in_month' is used to return the number of days in a month. This function takes three arguments one for calendar name, month value and year value respectively.
cal_days_in_month( CAL_GREGORIAN, $intMonth, $intYear);
Example:
cal_days_in_month ( CAL_GREGORIAN, 1, 2005); Output: 31
3. Check the date format
The function 'checkdate' is used to check whether the date passed as an argument is a valid date or not. The function returns a boolean value of '1' if the date is a valid date and 'Null' if the date is invalid.
checkdate ($intMonth,$date, $intYear);
Example:
1. checkdate (1, 30,2005); Output: (1 means true)
2. checkdate (2, 30,2005); Output: (null means false)
That's it you have learnt about some of the most commonly used date functions in PHP.
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