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## Complete PHP Date Reference (/php/php-ref-date.html) ## Definition and Usage The date_sub() function subtracts some days, months, years, hours, minutes and seconds from a date. ## Syntax ```php date_sub(object $object, interval $interval): DateTime|false ``` ## Parameters | Parameter | Description | |-----------|-------------| | object | Required. Specifies a valid DateTime object. | | interval | Required. Specifies a valid DateInterval object. | ## Technical Details | Return Value: | If successful, returns the modified DateTime object for the date. If it fails, returns FALSE. | | PHP Version: | PHP 5.3.0+ | | Changelog: | As of PHP 5.2.1, date_modify() calls internally date_add() function, which adds/subtracts the time interval. | ## More Examples **Example 1** Subtract 5 days from a date: ```php ``` Output: ``` 2013-04-26 ``` **Example 2** Subtract 2 months from a date: ```php ``` Output: ``` 2013-03-01 ``` **Example 3** Subtract 1 year and 3 months from a date: ```php ``` Output: ``` 2012-02-01 ``` ## See Also - [PHP date_add() Function](/php/func-date-date-add.html) - Add some days, months, years, hours, minutes and seconds to a date. ## Color Picker (/colors/color-picker.php "Color Picker") ## Top Tutorials (/html/html-tutorial.html) (/css/css-tutorial.html) (/js/js-tutorial.html) (/sql/sql-tutorial.html) (/python3/python3-tutorial.html) (/bootstrap/bootstrap-tutorial.html) (/bootstrap4/bootstrap4-tutorial.html) (/bootstrap5/bootstrap5-tutorial.html) (/linux/linux-tutorial.html) (/vue3/vue3-tutorial.html) (/react/react-tutorial.html) (/jupyter/jupyter-tutorial.html) ## Top Reference (/tags/) (/ref/css-reference.html) (/jsref/) (/sql/sql-reference.html) (/python3/python3-ref.html) (/php/php-ref.html) (/mysql/mysql-ref-select.html) (/colors/colorslator.html) ## W3Cschool Tutorial