php method to calculate the number of days in months: 1. Create a new php file; 2. Save the specified month in the "$time" variable; 3. Use the "strtotime()" function to save the specified month Convert the month to a timestamp; 4. Use the "date()" function to calculate how many days there are in the specified month.
The operating environment of this tutorial: Windows 7 system, PHP version 8.1, Dell G3 computer.
How to calculate months and days in php?
php calculates the number of days in a specified month
Create a new php file named test.php to explain how PHP calculates the number of days in a specified month.
In the test.php file, use the header() method to set the encoding format of the page to utf-8 to avoid garbled characters when the page outputs Chinese.
In the test.php file, save the specified month in the $time variable.
In the test.php file, use the strtotime() function to convert the specified month into a timestamp.
In the test.php file, use the date() function and the t character to calculate how many days there are in the specified month, and use echo to output the result on the page .
Open the test.php file in the browser to view the results.
Recommended study: "PHP Video Tutorial"
The above is the detailed content of How to calculate months and days in php. For more information, please follow other related articles on the PHP Chinese website!