iso 8601 to unix timestamp

Concept:UNIX timestamp: Unix timestamp (UNIX epoch, Unix time, POSIX time, or Unix timestamp)It is the number of seconds that have elapsed since January 1, January 1, 1970 (midnight UTC/GMT), regardless of the leap second.The UNIX timestamp 0

Because the project needs to import the original data to the new project, and the original data Time format is the excel date format, that is, the format of xxxx/xx, the time format of the new project is stored in unix timestamp. Therefore, you need

time stamp: Unix timestamps are a compact and concise way to save dates and times, a way to save the current date and time in most Unix systems, and a standard format for representing dates and times in most computer languages. The UNIX timestamp is

PHP Time and date PHP provides a large number of built-in functions that enable developers to work on time, greatly improving productivity. Describes some common PHP date and time functions and the processing of dates and times. Common date and

PHP time and date, PHP time and date PHP provides a large number of built-in functions, allowing developers to easily process time, greatly improving work efficiency. This section describes some common PHP date and time functions as well as date and

So far, PHP date function date formatting characters and descriptions of some PHPUnix timestamp functions as well as conversion and formatting of each other's output instances have been completed, this is essential for understanding the calculation

Web site development We often need to deal with the date, time, in PHP provides a lot of date, time function to facilitate the PHP developers to calculate the date, time, format conversion. So it is necessary to master the PHP date function and to

This example describes how to convert the date format of the PHP date function. During website development, we often need to process the date and time. in PHP, many date and time functions are provided to facilitate PHP developers to calculate and

During website development, we often need to process the date and time. in PHP, many date and time functions are provided to facilitate PHP developers to calculate and convert the date and time formats. Therefore, it is necessary to master the PHP

PHP provides a large number of built-in functions that enable developers to work on time, greatly improving productivity.Describes some common PHP date and time functions and the processing of dates and times.Frequently used date and time processing