)Using strtotime() function you can easily convert date to timestamp Here is a very simple and effective solution using the If you want to know for sure whether a date gets parsed into something you expect, you can use This way, you let the function know what date format you are using and even specify the timezone.Please be careful about time/zone if you set it to save dates in database, as I got an issue when I compared dates from mysql that converted to Returns a string formatted according to the given format string using the
i.e.The number of milliseconds that have passed since January 1, 1970 . Unless you are working with localized date strings, the easier choice is likely DateTime.If you don't care about timezone, or want to use the time zone your server uses:If you want to specify in which time zone, here EST. In PHP, you can easily convert date formats according to need because PHP has date function with several date formats. Prior to PHP 5.6.23, Relative Formats for the start of the week aligned with PHP's (0=Sunday,6=Saturday). How do I get timestamp from e.g. One important thing you should remember is that the timestamp value returned by time() is time-zone agnostic and gets the number of seconds since 1 January 1970 at 00:00:00 UTC. The timestamp is the value of time calculated in seconds, since UNIX Epoch, January 1, 1970 and it is also known as UNIX timestamp. the century is divisible by 4 but not by 10.
a backslash is already a special sequence, you may need to also escape Converting the string to Date and DateTime uses several functions/methods like strtotime(), getDate(). If omitted, the current date and time will be used (as in the examples above). Note that some formatting options are different from MySQL. The following function will return the date (on the Gregorian calendar) for Orthodox Easter (Pascha). Le timestamp (unix) désigne le nombre de secondes écoulées depuis le 1 er janvier 1970 à minuit UTC précise. expanded by escaping it with a preceding backslash. Monday-Friday, excluding holidays) between any two given dates. This is the best way to keep track of dates and times using PHP Timestamp. I have tried srttotime, etc. : 5.1.0: The valid range of a timestamp is typically from Fri, 13 Dec 1901 20:45:54 GMT to Tue, 19 Jan 2038 03:14:07 GMT. Since 5.6.23, Relative Formats for the start of the week align with ISO-8601 (1=Monday,7=Sunday). If you have PHP 5.3 or above, this method works on both Windows and Unix and is time-zone aware, which is probably what you want if you are serious about working with dates.. If you have a problem with the different time zone, this is the solution for that. Answers: Use PHP’s date() function. // Find the ISO-8601 day of the week for the two dates.# Divide the difference in the two times by seven days to get the number of weeks.# If the end date falls on the same day of the week or a later day of the week than the start date, subtract a week.# If the start day is Saturday or Sunday, add zero, otherewise add six minus the weekday number.# If the end day is Saturday or Sunday, add five, otherwise add the weekday number. Every call to a date/time function will generate a (In the old Julian reckoning, EVERY 4th year was a leap-year.) The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time specified. If timestamp is a string, date converts it to an integer in a possibly unexpected way:
// set the default timezone to use. You can prevent a recognized character in the format string from being What is epoch time? This is a short guide on how to convert a timestamp in milliseconds into a timestamp in seconds using PHP. of seconds in a day or month to a timestamp because of daylight saving given integer In order to define leap year you must considre not only that year can be divide by 4! As you probably already know, certain programming languages and services will output their timestamps in milliseconds. We will see what these functions do. Create a Date With mktime() The optional timestamp parameter in the date() function specifies a timestamp. between them.// If the start and end dates are given in the wrong order, flip them. Consider To generate a timestamp from a string representation of the date, you Version Description; 5.1.1: There are useful constants of standard date/time formats that can be used to specify the format parameter.
the backslash. The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z).Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix time. I couldn't find a simple way to do that in PHP, so I threw this together. It replicates the functionality of OpenOffice's NETWORKDAYS function - you give it a start date, an end date, and an array of any holidays you want skipped, and it'll tell you the number of business days (inclusive of the start and end days!) time. ( //Orthodox Easter for this year will fall $rc days after April 3