how to use header

The return content disappears after the form submits an error how to do, today to analyze and solve this problem. Status Overview: When you fill out a form information submission, you will encounter a problem is when the user fills out and submits

1. Use of arrays in PHP Using associative arrays (associatively-indexed arrays) is very helpful when manipulating a database, so let's look at an array traversal of the basic number format: Copy Code code as follows: $temp [0] =

First, a brief introduction to C's compilation model:limited to the hardware conditions at the time, the C compiler is not able to load all the program code in memory, but it needs to divide the code into multiple source files and compile separately.

The following situation causes the form to be submitted repeatedly: Click the Submit button two times. Click the Refresh button. Use the browser Back button to repeat the previous action, causing the form to be submitted repeatedly. Repeat the

The principle of the short URL is that there is a data table will be the configuration file will be a short URL and the actual URL for the corresponding, when the request for a short URL, the program to jump to the corresponding actual URL up, so as

The output control function gives you free rein to the data in the script. It's very useful, especially for: when you want to after the data has been exported, the file header is then output. The output control function does not use header () or

The basic principle of OB: If the OB cache is turned on, the Echo data is first placed in the OB cache. If header information is placed directly in the program cache. When the page executes to the end, the OB-cached data is put into the program

Now playing micro Bo more and more people, and on the microblogging of Third-party application development is more and more, oneself in the occasional contact with Sina Weibo API development, Sina micro-blog API development Resources More, Sina

Objective Why should you avoid repeating the form form? Because we do not want our servers to duplicate the unnecessary data, we are also avoiding duplication of data in our database, and avoiding form recurrence is also a way to make our site more

C + + encourages the use of multiple files when developing programs, an effective organizational strategy is to use header files to define user types, provide function prototypes for functions that manipulate user types, and to place function

PHP header to define a PHP page for UTF encoding or GBK encoding PHP page for UTF encodingHeader ("content-type:text/html; Charset=utf-8 "); PHP page for GBK encodingHeader ("content-type:text/html; charset=gb2312 "); PHP page for BIG5

JS Block Duplicate Commit The first is when the form that tells the browser to disable the Submit button is submitted, and the second is to change the text of the button to give the user some idea of what's going on. This is the code added to your

1. Error tips Warning:cannot send session Cookie-headers already sent Warning:cannot Send session cache Limiter-headers already sent Analysis and Solving methods The reason for this kind of problem is that when you use Session_Start () in your

How to use header elements correctly The HTML caption element type is h1, H2, H3, H4, H5, and H6, the number represents the structure level of the title, we want to study like in the school so seriously treats the title (hehe, but I did not read how

1, php download schematic diagram 2, File download source : Copy Code code as follows: $file _name= "haha. jpg";//Files to download $file _name=iconv ("Utf-8", "gb2312", "$file _name"); $FP =fopen ($file _name,

How do I use heading elements, paragraphs, and force wrapping correctly? How do you make it more semantically consistent? Selected passage from Http://www.sitepoint.com/print/html-37-steps-perfect-markupTwo pieces of text, will bring a little help

In the development process, often appear the form error and return the page when the information is all lost, in order to support page bounce, you can use the following two ways to achieve. 1. Use header header to set cache control header

This article makes a summary of the function and usage of header function in PHP language. The specific function of the PHP header () function is to send a raw HTTP header [HTTP header] to the client. Headers (header) is a string of characters

Lnmp =linux+nginx+mysql+php In the past we have done lamp environment, and for Nginx, its performance relative to Apache improved a lot, experiments with the help of Nginx to LNMP environment, the environment to build a three-step: MySQL Green

Using PHP to control the user's browser--ob_* series functions The output control function gives you a free rein in the outputs of the data in the script. It's very useful, especially for: when you want to output the file header after the data has