Detailed introduction to space characters

In the process of learning the basic code of html, I believe it will involve how to write the space code of html. We usually use spaces when we edit programs. The html space code character entity is a non-breaking space  . This is the space code in html. Of course, there are space symbols, space characters, blank lines, etc. The following article will explain these contents related to spaces one by one. 1. You can first take a look at the introduction to spaces in the tutorial "HTML/CSS Quick Start" 1. Introduction to spaces in HTML character entities. Multiple spaces in HTML will be reduced to one by the browser, so we have to use   to achieve Purpose of multiple spaces. nbsp is non-breaking space, which is different from ordinary spaces, that is, it does not break white spaces. That is to say,   is used in HTML code to generate a blank and prevent the browser from wrapping lines in this blank. For example, using   in two tags can prevent line wrapping caused by the image being too wide to exceed the width of the browser. That is to say, if you use general spaces

1. Summary of various methods of using spaces in html

Introduction: In the process of learning the basic code of html, I believe it will involve how to write the space code of html. We usually use spaces when we edit programs. The html space code character entity is a non-breaking space  . This is the space code in html. Of course, there are space symbols, space characters, blank lines, etc. The following article will explain these contents related to spaces one by one.

2. Summary of space symbols and space character entities in html

##Introduction: In our daily web project program development, html code is essential. The display pages in the previous paragraph are all html files. In HTML, many novices do not care much about spaces. Yes, but spaces play a big role in HTML. When writing code, spaces typed by the space bar, Tab key and Enter key will be automatically ignored by HTML, so there are also some tools in HTML that allow you to define spaces by yourself. , then today we will introduce about spaces in HTML.

3. About the summary and sharing of space character entities in html

Introduction: Browsers always truncate spaces in HTML pages. If you write 10 spaces in your text, the browser will delete 9 of them before displaying the page. To increase the number of spaces on the page, you need to use the  character entity.

4. Why the data returned by str_replace is wrong

Introduction: Example: replace English commas, space characters, or Chinese comma $str = 'Correct, contact us goodsjob, goodsjob';$reg = array(',',' ',',' );$strs = 'username like %'.str_replace($reg,'%, or username like %',$str).'%';Returned data...

5. php trim removes space characters and specified characters_PHP tutorial

Introduction: php trim removes space characters and specified characters. I didn't look at the trim function before and thought it could only delete blanks. Today I discovered that it can also delete - null t - tab n - new line x0b - vertical list character r - carriage return - ordinary blank characters and user-specified

6. php carriage return and space character replacement function_PHP tutorial

Introduction: php carriage return and space character replacement function. This article introduces some special character replacement in PHP development. Students in need can take a look. // Function name: ReplaceSpacialChar($C_char) // Function: Special character replacement function // Parameter

7. php carriage return and space character replacement function

Introduction: PHP carriage return and space character replacement function. This article introduces some special character replacement in PHP development. Students in need can take a look. // Function name: ReplaceSpacialChar($C_char) // Function: Special character replacement function // Parameter

8. How to remove space-like characters in the Oracle library table structure

Introduction: In work involving database operations, we often encounter the need to wait for two strings. Value comparison instead of fuzzy query: for example, compare two names for equality? But the operator is encoding the string

9. The difference between urlencode and rawurlencode in php on space encoding

Introduction : I recently discovered when using urlencode to encode a string that it encodes the space string as +, but if you encode it with rawurlencode, the space string becomes %20. And after entering a space in the browser, it will convert it into %20. Is there any difference between the two? Backend service...

10. php trim deletes space characters and specified characters

Introduction: None before Looking at the trim function, I thought it could only delete blanks, but today I discovered that it can also delete "" - null."t" - tab, "n" - new line,...

[Related Q&A recommendations]:

Regular expression matching problem

php - Regular expression matching problem

php - Why the data returned by str_replace is wrong

The difference between urlencode and rawurlencode in php on space encoding

The above is the detailed content of Detailed introduction to space characters. For more information, please follow other related articles on the PHP Chinese website!