In php, strtotime function performance analysis is recently implemented in the game data statistics background. the most basic function is to analyze the registered login log to display user data. In the company's internal testing, the number of
PHP provides a large number of built-in functions that enable developers to work on time, greatly improving productivity. Today we will present some common PHP date and time functions as well as date and time processing for the participants.
9.1
Php regular expression verification date and time format instance code. Using php to verify the date format, we can use the checkdate () function and regular expression to verify the format. next I will introduce some of my processes in verifying
In php, strtotime returns the Monday of the given time. In a simple php strtotime, return the Monday implementation code of the time. if you need it, refer to it. The strtotime () function resolves the date and time description of any English text
Conversion between the PHP timestamp and date. In php, if you want to convert a date to a timestamp, you can directly use the strtotime function. if you want to convert a timestamp to a date, you can directly use the date () function, in php, if we
PHP provides a large number of built-in functions, allowing developers to easily process time, greatly improving work efficiency. Today, we will introduce some common PHP date and time functions as well as date and time processing. 9.1 Common date
PHP functions commonly used in project development
Date operation
To facilitate storage, comparison, and delivery, we often need to use the Strtotime () function to convert dates into Unix timestamps, and use the date () function to convert dates
This article introduces you to the use of the date and Strtotime function in PHP to get the user a given time of the first day or the last day of the article, there is a need to understand learning friends can enter the reference.
With the date and
Using PHP to verify the date format we can use the checkdate () function and regular expressions to verify, and I will give you a brief introduction to my classmates in the validation date format some process, and finally the simplest way.
1. Use
Php date and time. PHP provides a large number of built-in functions, allowing developers to easily process time, greatly improving work efficiency. Today, we will introduce some common PHP date and time functions. PHP provides a large number of
1. Use regular expression to verify the date and time formatIt mainly uses php functions such as ereg and preg_match.There is a very simple, The code is as follows:Copy code $ DateTime = "00:00:00 & Prime ;;If (preg_match ("/^ d {4}-d {2}-d {2}
Date operationTo facilitate storage, comparison, and delivery, we often need to use the Strtotime () function to convert dates into Unix timestamps, and use the date () function to convert dates to the usual time format only when displayed to the
The usage difference between PHP time and date dates
1. Time () function
The time () function in PHP, using the echo output, is a very long integer that contains the date and times and is a computed value. If you want to get a date format such as
1, Mktime () function:
The UNIX timestamp is returned based on the batch parameter, which needs to be formatted with the date () function to output the date and time.
Example: Use the Mktime () function to get the current time of the system
echo
1.unix_timestamp
Converts a time to a timestamp. Convert date type data to timestamp timestamp form
Default time stamp for current time
Mysql> select Unix_timestamp ();+ —————— +| Unix_timestamp () |+ —————— +| 1436775578 |+ —————— +1 row in Set (
Phpstrtotime () function Time and Date conversion. In php, the strtotime () function resolves the date and time descriptions of any English text into Unix timestamps. This function is also frequently used. if you need it, please refer to it. Syntax
The timestamp is used here.
Mktime (hour, minute, second, month, day, year, [is_dst])The parameter can be omitted from the right to the left, and any omitted parameter will be set to the current value of the local date and time.
Parameter
PHP Date and time
PHP Multidimensional Arrays
PHP Include
The PHP date () function is used to format dates or times.
PHP Date () function
The PHP date () function formats the timestamp as an easier-to-read date and time.
Grammar
Date
The conversion between timestamp and date in PHP is achieved through the data () function and the Strtotime () function, and the data function implements the timestamp to date, and the Strtotime function implements the date-to-time stamp.
Timestamp
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