php check date format

When I used to solve this problem with ASP is quite simple, the ASP has the corresponding function DateDiff can give two days period interval How many months, how many days and how many seconds. When I searched through the PHP manual I found that

Use the function date () to implement the displayed in the format: year-month-day hours: minutes: secRelated Time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than two digits before the 0; such as: "01" to "31"D-Days of

This article contains the following elements: 1, get the current date and time-how many ways do we have? 2, change the date display mode-date and time display form 3, the conversion of the current date is a Unix timestamp value 4. Change Date A.

The direct subtraction of functions is not correct, you need to do this: * * Get the current date and time In Unix, time is represented by the number of seconds that have elapsed since 0 o'clock January 1, 1970, which is called the Unix timestamp (

This article contains the following content:1. Get the current date and time-how many ways do we have?2, change the way the date is displayed-the date and time of the display form3. Convert the current date to a Unix timestamp value4. Change the

Date and common time calculation in php, and date calculation in php It was used in projects until today, yesterday, this week, this month, this quarter, this year, last week, last quarter, and so on, therefore, we plan to summarize and learn

PHP Date-time function date ()1, year-month-day Copy Code code as follows: echo Date (' y-m-j '); 2007-02-6 echo Date (' y-n-j '); 07-2-6 Capital Y represents a four-digit year, while lowercase y represents a

Date () is a commonly used date-time function, let me summarize the date () function of the various forms of usage, there is a need to learn the friend can refer to.Formatted dateThe first parameter of the date () function specifies how the

Format dateThe first parameter of the date () function specifies how to format the date/time. It uses letters to indicate the date and time formats. Some availableLetter:• Day in d-month (01-31)• M-current month, in numbers (01-12)• Y-current year

Formatted dateThe first parameter of the date () function specifies how the date/time is formatted. It uses letters to represent the format of dates and times. Here is a list of some availableThe letters:D-Day of the month (01-31)• M-Current month,