Javascript + php: how to display the local time according to the user's time zone _ PHP Tutorial

Javascript + php shows the local time based on the user's time zone. Javascript + php: how to display local time based on the user's time zone this article mainly introduces how to display local time based on the user's time zone in javascript + php, instance analysis using javascrip javascript + php to display local time based on the user's time zone

This article mainly introduces how to display the local time in javascript + php based on the user's time zone. It provides some reference for examples to analyze how javascript can obtain the client time zone and interact with php on the server, for more information, see

This example describes how to display the local time in javascript + php based on the user's time zone. Share it with you for your reference. The details are as follows:

The following code is used in cross-time zone applications. this is a piece of code previously written.

The server saves the relevant time configuration in the form of GMT. the client needs to display the time according to the customer's time zone to meet the customer's habits.

1. the JavaScript code is as follows:

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Window. onload = function (){ // TODO begin processes the time zone of the login user // Obtain the difference between the time zone of the login user and the GMT time zone Var exp = new Date (); Var gmtHours =-(exp. getTimezoneOffset ()/60 ); SetCookie ('customer _ timezone ', gmtHours, 1 ); // When determining whether it is seeking Date = exp. format ('yyyy-MM-dd HH: mm: SS '); If (inDaylightTime (date )){ SetCookie ('daylighttime', 1, 1 ); } } // Set Cookie Function setCookie (c_name, value, expiredays ){ Var exdate = new Date () Exdate. setDate (exdate. getDate () + expiredays) Document. cookie = c_name + "=" + escape (value) + (Expiredays = null )? "": "; Expires =" + exdate. toGMTString ()) } // Determine whether the time is the eastern hemisphere or the Western Hemisphere Function iseasteartime (newDate) { Var dj = newDate. getGMTOffset (false ); If (dj. indexOf ("-") =-1 ){ Return true; } Else { Return false; } } // Whether it is enabled Function inDaylightTime (date ){ Var start = new Date (date. getTime ()); Start. setMonth (0 ); Start. setDate (1 ); Start. setHours (0 ); Start. setMinutes (0 ); Start. setSeconds (0 ); Var middle = new Date (start. getTime ()); Middle. setMonth (6 ); // If the time difference is the same from the beginning of the year and the middle of the year, it is deemed that there is no renewal time in this country If (middle. getTimezoneOffset ()-start. getTimezoneOffset () = 0) { Return false; } Var margin = 0; If (this. iseastearthur time (date )){ Margin = middle. getTimezoneOffset (); } Else { Margin = start. getTimezoneOffset (); } If (date. getTimezoneOffset () = margin ){ Return true; } Return false; } // DONE end

2. server-side php code:

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// Convert GMT to local time within 24 hours Function gmt_to_local ($ time = '', $ dst = FALSE ){ // Set the Cookie in JavaScript and the PHP value If (isset ($ _ COOKIE ["customer_timezone"]) { $ Timezone = $ _ COOKIE ["customer_timezone"]; } Else { $ Timezone = 0; } If ($ time = ''){ Return now (); } // Time processing $ Time + = $ timezone * 3600; // If it is enabled If (isset ($ _ COOKIE ["inDaylightTime"]) & $ _ COOKIE ["inDaylightTime"] = 1) { $ Dst = TRUE; } If ($ dst = TRUE ){ $ Time plus = 3600; } Return date ("H: I", $ time ); }

I hope this article will help you with php programming.

This article introduces how to display the local time in javascript + php based on the user's time zone...