Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP date_modify() Function.
The PHP date_modify() function is an alias of the DateTime::modify(). This function is used to modify the the date in a DateTime object. It alters the time stamp of the given object.
The PHP date_modify() function is an alias of the DateTime::modify(). This function is used to modify the the date in a DateTime object. It alters the time stamp of the given object.
Syntax
Following below is the syntax to use this function -
date_modify($object, $modify)
Parameter Details
Sr.No | Parameter & Description |
---|---|
1 | object (Mandatory) This represents the DateTime object you want to modify. |
2 | modify (Mandatory) This is a date/time string specifying the modification needed. |
Return Value
This function returns the DateTime object with modified value. Incase of failure, this PHP function returns FALSE.
PHP Version
This function was first introduced as part of core PHP v 5.2.0 and, works with all the later versions.
Example1
Following example illustrates the usage of the PHP date_modify() function -
<?php //Modifying the date $date = date_modify(new DateTime(), "+15 day"); print("Date: ".date_format($date, "Y/m/d")); ?>
Output
When the above code is executed, it will produce the following result -
Date: 2020/05/21
Example2
The following example creates a DateTime object and modifies its date using the PHP date_modify() function -
<?php //Creating a DateTime object $date_time_Obj = date_create("25-09-1989"); print("Original Date: ".date_format($date_time_Obj, "Y/m/d")); print("\n"); //Setting the date $date = date_modify($date_time_Obj, "+15 years 7 months 23 days" ); print("Modified Date: ".date_format($date, "Y/m/d")); ?>
Output
When the above code is executed, it will produce the following result -
Original Date: 1989/09/25 Modified Date: 2005/05/18
Example3
You can also modify a date by specifying the number of weeks as -
<?php //Creating a DateTime object $date_time_Obj = date_create("25-09-1989"); print("Original Date: ".date_format($date_time_Obj, "Y/m/d")); print("\n"); //Setting the date $date = date_modify($date_time_Obj, "1960 weeks" ); print("Modified Date: ".date_format($date, "Y/m/d")); ?>
Output
When the above code is executed, it will produce the following result -
Original Date: 1989/09/25 Modified Date: 2027/04/19
Example4
Try the following example -
<?php $date = new DateTime("1990-12-12"); $date->modify("+1 day"); echo $date->format("Y-m-d"); ?>
Output
When the above code is executed, it will produce the following result -
1990-12-13
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP date_offset_get() Function.
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