This article mainly summarizes the methods for converting full-width characters into half-width characters in PHP. from simplicity to complexity, you can choose freely based on your needs. The simplest method
"; $str = preg_replace('/\xa3([\xa1-\xfe])/e', 'chr(ord(\1)-0x80)', $str); echo $str;
This is the code on the internet. the second byte of all Chinese punctuation marks minus 0X80 (that is, 128) i
Http://www.cnblogs.com/mu-mu/archive/2013/02/06/2893581.htmlRecently, in order to do the HTML file source processing, you need to do regular lookup and replace. So by this opportunity to study the regular system, although used to the regular, but each time is a temporary learning a mixed customs. In the course of learning still encountered a lot of problems, especially 0 wide assertion (here also to spit trough, the web is full of copy and paste content, encountered a problem to see a lot of dup
This is my interview in a company encountered problems, then did not answer!!So see the small partners must pay attention to!!Change the browser width to see the effect:Right and left.Then we'll look at the code:First method: (floating)styletype= "Text/css">. Left,.right,.center{Border:1px solid;Height:100px;text-align:Center;Line-height:100px;font-size:50px; }. Left{float: Left;width:100px; }
Under IE6, the width of the child is wider than the parent layer, and the parent layer expands to the width of the child layer, at which point the parent is set more thanThe small width of the child layer is invalid because the parent layer must be larger than the child layer and must be included in the handle layer.Especially in the child layer with Padding,marg
We know that in windows, both Chinese characters and full-byte characters occupy two bytes, and ASCII Chart 2 (codes 128? C255 ). We can use this to check whether the user inputs Chinese characters and full-byte characters. In fact, the first byte of the fullwidth character is always set to 163, while the second byte is the same half-width bytecode plus 128 (excluding spaces ). For example, if the half-width
Then the whole/half-angle difference, in popular words, only the difference is only in addition to Chinese characters (such as punctuation, letters, numbers, etc.) occupy the position of the size, on the computer screen, a Chinese character to occupy two English characters position, people put an English character occupies the position of "half angle", The position of a Chinese character is referred to as the "full angle". In the Chinese character input, the system provides "half-
Today, we use ComboBox in ext to find that if you set the width of ComboBox too small, the width of the drop-down box in ext may exceed the width of your ComboBox, in fact, you only need to set the width of the drop-down box in ComboBox expand.
CodeAs follows:
Code
Code highlighting produced by Actipro Cod
Vary1, the Width property is not supported by each element, generally table and body support . 2, style= "width:100px" is a CSS style.2.1, CSS style has a variety of ways to set, directly written as this is an inline CSS, you can put this to put in a separate html> head> style> .mydiv{width:100px;} div{background-color:#ddd;margin:10px;} style> metacharse
Modify the display width and width of the task button (taskbar label) of the taskbar.
The default width setting of the "task button (taskbar tag)" in the taskbar is actually very reasonable, but for me loyal to Windows resource manager, it is always not suitable for merging task buttons, to display more task buttons, you can only narrow down the task button
Horizontal centering when both parent and child elements do not have a width defined:Display:inline-blockCan be combined with text-align:center and display:inline-block, this technique requires a parent element.HTML code:Copy CodeThe code is as follows:...CSS code:Copy CodeThe code is as follows:. navbar {Text-align:center;}. navbar UL {Display:inline-block;}. navbar Li {Float:left;}. navbar Li + li {margin-left:20px;}IE series ie8+ support, to IE7 IE
Quickly modify Full-width half-width characters in an Excel document
When you enter a large amount of data in Excel, what happens if you accidentally have a full or half-width mix? Here's a simple way to quickly modify the Full-width half-width characters in an Excel docume
1. What is fullwidth and halfwidth?1. Fullwidth: a computer character. It refers to the position where a fullwidth character occupies two standard characters (or two halfwidth characters. The full angle occupies two bytes.Chinese characters and the English characters that specify the full angle and the graphical symbols and special characters in the national standard GB2312-80 are all full-angle characters. In the fullwidth corner, letters, numbers, and other Chinese characters occupy the same
How to set the width and height of a hyperlink and the width of a hyperlink
1. Use the display: block attribute
1:
2:
3:
4:
5:
6:
14:
15:
16:
17:
18:
19:
20:
Effect:
2. float: left attribute
1:
2:
3:
4:
5:
6:
14:
15:
16:
17:
18:
19:
20:
Effect:
3. Set padding for
1:
2:
3:
4:
5:
6:
14:
Body{margin:0 Auto;width:100%;/*Clear Display:inline-block element line break Gap*/font-size:0;text-align:Center; }Div{Display:Inline-block;width:20%;background:Green;font-size:12px;position:relative;vertical-align:Middle; }Div:before{content:"";Display:Inline-block;/*set the height of the div*/Padding-bottom:100%;width:. 1px;vertical-align:Middle; }div:nth-child
Address: http://www.cnblogs.com/mu-mu/archive/2013/02/06/2893581.html
Recently, in order to process the source code of HTML files, regular searches and replacement are required. So I took this opportunity to learn about the regular expression system. Although I used regular expressions before, I learned how to get through them temporarily. In the course of learning, I still encountered many problems, especially the zero-width assertion (I want to
content Property values: width: Widths of viewable areas, Values can be numbers or keywords device-width height: same width Intial-scale: The first time the page is displayed is the zoom level of the viewable area, the value of 1.0 is displayed by the actual size, without any zoom maximum-scale=1.0, MI nimum-scale=1.0, the zoom level of the viewable area, maximu
1. Center floating ElementIn case of fixed width and height:width:200px;height:200px;Position:absolute;left:50%;top:50%;Margin-left: -100px;Margin-top: -100px;In case of unknown wide height:width:200px;height:200px;Position:absolute;left:50%;top:50%;Transform:translate ( -50%,-50%);2, right width fixed, left wide adaptiveHtml: Css:. all{ Display:flex;}. left,.right{ height:2px; Display:inlin
Description: Let IE6 and the following versions support Min/max-width/height properties in CSS
Copy Code code as follows:
@if (@_win32 @_jscript_version>4)
var minmax_elements;
minmax_props= New Array (
New Array (' Min-width ', ' minwidth '),
New Array (' Max-width ', ' maxwidth '),
New Array (' Min-height ', ' minheight '),
New Array (' Max-
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.