bom meaning

When writing or modifying a PHP file saved with UTF-8 encoding, there are sometimes some problems: 1. The page shows a "nobelium" word, the other blank; 2. Cannot log in or log out; 3. A blank appears at the top of the page; 4. Error warning on top of page; 5. Other abnormal circumstances; 6. The resulting picture browser is not recognized. Analysis Reason: When a file is saved in UTF-8 encoding, there are two situations: with a Unicode signature (BOM

recognize Unicode BOM marks and would skip bytes if * getencoding () method is called before any Of the Read (...) methods. * Usage pattern:string enc = "iso-8859-1"; or NULL to use Systemdefault * fileinputstream fis = new FileInputStream (file); Unicodeinputstream UIn = new * Unicodeinputstream (FIS, ENC); ENC = uin.getencoding (); Check and Skip * possible BOM bytes InputStreamReader in; if (enc = = nul

BOM and DOM, BOMDOM Concept: 1. BOM (Browser Object Model ): The browser object model is closely related to the browser by name. Many browser behaviors are controlled by JavaScript, such as opening a new window, opening or closing a tab, setting a webpage as a home page, or adding it to favorites, these functions are essentially BOM operations.

Differences between the two: The Unicode specification has the concept of BOM. Bom -- byte order mark, which is a mark of the byte order. Here is a description of BOM: There is a character named "Zero Width no-break space" in the UCS encoding, and its encoding is feff. Fffe does not exist in the UCs, so it should not appear in actual transmission. We recommend th

: This article mainly introduces the differences between UTF-8 and UTF-8 without BOM. if you are interested in the PHP Tutorial, please refer to it. BOM -- Byte Order Mark, which is a Byte Mark There is a character named "zero width no-break space" in the UCS encoding, and its encoding is FEFF. FFFE does not exist in the UCS, so it should not appear in actual transmission. We recommend that you transmit th

What is a BOMThe BOM is an abbreviation for the browser object model.BOM provides an object that is independent of the content and interacts with the browser windowBecause the BOM is primarily used to manage the communication between Windows and Windows, its core object is windowA BOM is composed of a series of related objects, and each object provides many metho

DOm BOM Document Object Model (DOM ):Process webpage contentMethods and Interfaces Browser Object Model (BOM ):Interaction with browsersMethods and Interfaces BOM Window object:Window opened in the browser ① If the document contains a frame (frame or IFRAME tag), the browser will create a window object for the HTML document and create an additional window object

The difference between BOM and Dom The implementation of the §dhtml technology features relies on the interaction of client script with the browser host and the Web page that is exported in the host, which is accomplished through the technology of the object. The §bom, the browser object model, is an extension API that is implemented on the basis of the client script core, which enables you to use scripts

This article mainly introduces PHP batch delete, clear the UTF-8 file BOM header code instance, need friends can refer to remember to run the code before the file backup Oh, to avoid failure. Code 1: The code is as follows: Function checkBOM ($ filename ){ Global $ auto; $ Contents = file_get_contents ($ filename ); $ Charset [1] = substr ($ contents, 0, 1 ); $ Charset [2] = substr ($ contents, 1, 1 ); $ Charset [3] = substr ($ contents, 2, 1 ); If

PHP batch delete, clear the code instance of the UTF-8 file BOM header. Remember to back up the file before running the code to avoid failure. Code 1: Copy the code as follows: functioncheckBOM ($ filename) {global $ auto; $ contentsfil remember to back up the file before running the code to avoid failure. Code 1: The code is as follows: Function checkBOM ($ filename ){Global $ auto;$ Contents = file_get_contents ($ filename );$ Charset [1] = subst

what is a BOM header? In the Utf-8 encoded file, the BOM in the file header, occupies three bytes, used to indicate that the file belongs to the Utf-8 encoding, now has a lot of software to identify the BOM header, but also some do not recognize the BOM header, such as PHP does not recognize the

From http://www.xij.cn/blog? P = 119 Unicode signature BOM I have encountered such a problem in front-end development. I leave a line blank for no reason in IE, while in Firefox, it is normal. Why can't you find out, because there is no problem at all. You may use the include file here. Usually the header and footer will do this. The "include Unicode signature Bom" option on the page property of the

The common problem is that after BOM encoding is used, an error occurs in script execution or an error occurs when filestream is used to read and convert data to XML." Markup in the document following the root element must be well-formed .". I. Introduction UTF-8 is a Unicode character encoding method that is often used in Web applications. The advantage of UTF-8 is that it is a variable-length encoding method The encoding length is 1 byte, so that a

PHP realize UTF-8 file BOM automatic detection and removal instance ,. PHP to realize the UTF-8 file BOM automatic detection and removal instance, this article describes the example of PHP to realize the UTF-8 file BOM automatic detection and removal method. Share it with you for your reference. Specific Implementation methods PHP realize UTF-8 file

The implementation of the features of DHTML Technology relies on the interaction between the client script and the browser host and the Web pages that are output in the host, which is accomplished through the object-based technique.The implementation of the features of DHTML Technology relies on the interaction between the client script and the browser host and the Web pages that are output in the host, which is accomplished through the object-based technique.The difference between

65279 invisible characters in php (BOM header of UTF-8), 65279bom Today, I saw a problem with php output of a blank invisible character 65279 in CSDN. I found it online and sent the 65279 character that php used to mark the file as UTF-8 encoded, the output will be output to the client together, causing the client to fail to match the string if ajax is used to obtain the return value. Php stealth character 65279 is explained as follows: UTF-8 files ca